Economy & Market
Science and Application of Grinding Aids
Published
2 years agoon
By
admin
Dr SB Hegde discusses the importance of grinding aids as essential chemical additives that enhance cement grinding efficiency, reduce energy consumption and improve overall cement quality.
Grinding aids are chemical additives used in the manufacturing of cement to improve the grinding efficiency and performance of the material. These additives have become a critical component of the cement industry, playing a significant role in optimising mill output, reducing energy consumption, and enhancing the quality of cement. However, the adoption of grinding aids varies significantly across regions, influenced by cost considerations, regulatory frameworks, and technical awareness.
Despite their utility, grinding aids remain underutilised in certain regions. For instance, Europe has achieved over 80 per cent penetration of grinding aids due to stringent energy efficiency norms and advanced technologies, while India lags at around 30 per cent penetration, primarily due to cost sensitivity and limited technical expertise. Additionally, inconsistent quality and improper dosing often lead to suboptimal performance, underlining the need for stringent quality control and process optimisation.
The global market for grinding aids is expanding, projected to reach $ 1.2 billion by 2030, with a CAGR of 5.5 per cent. In India, the market is currently valued at `500 crore (2024). Innovations in the chemistry of grinding aids and the push for sustainable, bio-based additives are opening new avenues for adoption. Moreover, real-time monitoring and digital integration in cement plants are poised to revolutionise grinding aid applications by ensuring precise dosing and performance optimisation.
This article delves into the science, chemistry, and application of grinding aids, exploring their role in improving milling efficiency, quality control, and concrete performance. It further addresses market dynamics, challenges in adoption, and the path forward for maximising the benefits of grinding aids in cement manufacturing.
Chemistry of Grinding Aids
Grinding aids are chemical compounds specifically designed to improve the efficiency of the cement grinding process. Their effectiveness arises from their ability to modify the physical and chemical interactions between cement particles during grinding, thereby reducing agglomeration and improving the flowability of the material. This section delves into the nomenclature, chemistry, and scientific characteristics of grinding aids, providing an advanced understanding of their role in cement manufacturing.
2.1. Nomenclature and Classification
Grinding aids are generally categorised based on their chemical composition and functional groups. The most common types include:
1. Amine-based Compounds:
- Triethanolamine (TEA)
- Diethanolamine (DEA)
- Monoethanolamine (MEA)
2. Glycol-based Compounds:
- Ethylene glycol (EG)
- Diethylene glycol (DEG)
- Polyethylene glycol (PEG)
3. Other Organic Compounds:
- Lignosulfonates
- Hydroxycarboxylic acids (e.g., citric acid)
4. Hybrid Formulations:
- Combinations of amines and glycols for enhanced performance
- Additives with functionalised polymers provide multiple benefits, such as improving hydration kinetics and early strength development.
These compounds are often blended with performance enhancers, such as surfactants or dispersants, to achieve desired operational and material properties.
2.2. Chemical Mechanism of Action
Grinding aids operate at the molecular level by modifying surface properties and reducing inter-particle forces. The primary mechanisms include:
1. Reduction of Surface Energy:
- Cement particles exhibit high surface energy due to fracture during grinding. Grinding aids adsorb onto particle surfaces, reducing their surface energy and preventing agglomeration.
2. Electrostatic Neutralisation:
- Many grinding aids neutralise electrostatic charges that cause particles to attract each other, thus improving dispersion.
3. Lubrication Effect:
- Glycol-based grinding aids act as lubricants at the contact points between particles and grinding media, reducing friction and energy consumption.
4. Improved Particle Size Distribution (PSD):
- Grinding aids influence PSD by stabilising fine particles and preventing the re-agglomeration of smaller fractions, resulting in improved cement quality.
2.3. Scientific Characteristics and Properties
The effectiveness of grinding aids depends on their physicochemical properties and interactions with cement clinker phases.
1. Molecular Weight and Structure:
- Low molecular weight compounds, such as TEA, are highly effective in reducing agglomeration but may increase water demand in the final cement.
- High molecular weight compounds, such as PEG, provide additional benefits like workability and slump retention.
2. Hydrophilicity and Hydrophobicity:
- Hydrophilic compounds, such as DEG, enhance water compatibility, while hydrophobic additives improve the grinding of clinker with high limestone content.
3. pH and Ionic Strength:
- Most grinding aids function optimally within a specific pH range (typically 7-9) to ensure effective adsorption on clinker particles.
- Ionic strength plays a critical role in the interaction of grinding aids with calcium ions present in the clinker.
4. Thermal Stability:
- The thermal decomposition of grinding aids during the grinding process can influence their effectiveness. For example, amine-based compounds degrade at temperatures above 200°C, whereas glycol-based compounds remain stable under similar conditions.
2.4. Advanced Chemical Interactions with Clinker Phases
Grinding aids interact differently with the primary clinker phases—C3S (alite), C2S (belite), C3A (tricalcium aluminate), and C4AF (ferrite).
1. C3S (Alite):
- Glycol-based compounds enhance the grinding of alite due to their ability to reduce crystalline hardness.
- TEA has been shown to accelerate the hydration of C3S, improving early strength.
2. C2S (Belite):
- Grinding aids have limited direct interaction with belite but indirectly improve its grinding efficiency by stabilising the fine particles in the cement mix.
3. C3A (Tricalcium Aluminate):
- Amine-based grinding aids are highly effective in modifying the hydration kinetics of C3A, thereby influencing setting time and workability.
4. C4AF (Ferrite):
- Ferrite phases are less reactive, but grinding aids reduce the grinding energy required for these phases, indirectly contributing to overall mill efficiency.
2.5. Examples of Performance Variation
Performance variations of grinding aids depend on clinker composition, mill type, and operating conditions. For instance:
- A study revealed that the use of TEA in ball mills improved the grinding efficiency by 15 per cent, while the same compound exhibited a 20 per cent improvement in vertical roller mills.
- Glycol-based aids showed superior performance with clinker containing higher SO3 content, improving Blaine fineness by 10 per cent compared to amine-based aids.
- Customised formulations combining TEA and PEG reduced specific power consumption by eight per cent in a cement plant in South India.
2.6. Quality Control and Standardisation
To ensure consistent performance, grinding aids undergo rigorous quality control tests, including:
1. Fourier Transform Infrared Spectroscopy (FTIR): Used to identify functional groups and confirm chemical composition.
2. Gas Chromatography-Mass Spectrometry (GC-MS): Determines the purity and presence of byproducts in grinding aid formulations.
3. Thermogravimetric Analysis (TGA): Assesses thermal stability and decomposition characteristics.
4. Surface Area and PSD Analysis: Evaluates the impact of grinding aids on cement particle size distribution and specific surface area.
5. Mill Trials: Performance is validated under real-world conditions by assessing mill output, specific power consumption, and cement quality metrics like Blaine fineness and compressive strength.
Performance Evaluation of Grinding Aids
The performance evaluation of grinding aids is crucial in determining their efficiency and overall contribution to cement manufacturing processes. A systematic assessment involves analysing key performance indicators (KPIs) such as energy consumption, mill output, and particle size distribution, while also evaluating their impact on cement hydration, setting time, and compressive strength. These evaluations, carried out both in laboratories and real-world industrial settings, provide critical insights into the effectiveness of grinding aids.
3.1. Key Performance Indicators (KPIs)
Energy consumption serves as a primary metric for evaluating grinding aids, as their primary objective is to reduce the energy required for grinding. Studies have revealed that grinding aids can lower specific energy consumption by five to 25 per cent, contingent upon factors such as cement type, mill configuration, and operating parameters. For instance, a South Indian cement plant achieved an eight per cent reduction in specific power consumption with a glycol-based grinding aid in a ball mill, equating to considerable cost savings.
Mill output is another essential parameter. Grinding aids enhance material flowability and reduce agglomeration, leading to increased throughput. For example, polycarboxylate ether (PCE)-based grinding aids have been shown to boost mill output in vertical roller mills by 10 to 15 per cent compared to traditional amine-based formulations. This improvement is due to the superior dispersion and grinding efficiency offered by PCE-based formulations.
Particle size distribution (PSD) is significantly impacted by grinding aids, as they help achieve a finer and more uniform grind. This results in improved packing density and reduced voids in the cement matrix. Laboratory tests with triethanolamine (TEA)-based grinding aids have demonstrated a 12 per cent increase in Blaine fineness, alongside a notable reduction in oversize particles (>45 microns).
3.2. Laboratory Testing Methods for Grinding Aids
To comprehensively evaluate grinding aids, laboratory testing under controlled conditions is indispensable. Standardised methods include:
Grinding Efficiency Tests: Laboratory ball mills simulate industrial grinding conditions. The addition of grinding aids is assessed by measuring power draw, material flow rate, and specific residue levels. These tests provide quantifiable data on grinding efficiency improvements.
Hydration Studies: Techniques like isothermal calorimetry and X-ray diffraction (XRD) monitor hydration kinetics and phase formation. Amine-based grinding aids accelerate calcium silicate
hydrate (C-S-H) formation, contributing to early strength development.
Rheology and Flowability Tests: Grinding aids improve flowability, evaluated using rheometers and flowability indices. Glycol-based additives typically enhance flow properties by 15 to 20 per cent, reducing clogging and promoting smoother mill operations.
Compressive Strength Testing: Cement mortars incorporating grinding aids are subjected to compressive strength tests at various curing ages (e.g., 1, 3, 7, and 28 days). TEA-based grinding aids exhibit a 10 to 15 per cent improvement in early compressive strength, while PCE-based formulations deliver balanced strength gains across all curing ages.
3.3. Effect of Grinding Aids on Cement Hydration, Setting Time, and Compressive Strength Development
Grinding aids play a pivotal role in influencing cement hydration. Amine-based formulations, such as TEA and diethanolamine (DEA), enhance alite (C3S) hydration, leading to accelerated setting and early strength gain. However, excessive dosages can retard ettringite formation, thereby delaying setting time.
Glycol-based additives improve particle dispersion, ensuring uniform hydration. This results in enhanced compressive strength development at all ages. For instance, laboratory experiments demonstrated an eight per cent increase in 28-day compressive strength with ethylene glycol-based grinding aids compared to untreated cement.
Polycarboxylate ether-based grinding aids represent a modern advancement, offering dual benefits of improved grinding efficiency and compatibility with chemical admixtures like superplasticisers. This synergy optimises hydration, resulting in superior strength development. Studies have shown a 12 per cent increase in 28-day compressive strength for PCE-based grinding aids in cement containing supplementary materials like fly ash and slag.
3.4. Examples of Performance Variations with Specific Grinding Aids
Performance variations among grinding aids are influenced by their chemical compositions and the specific characteristics of the grinding process.
For example:
- A North American cement plant achieved a 15 per cent increase in mill throughput and a 10 per cent reduction in specific energy consumption after transitioning from TEA-based to hybrid amine-glycol grinding aids.
- Comparative trials revealed that diethylene glycol (DEG) is more effective in reducing grinding energy for clinker with high C3A content, while TEA offers superior performance for clinker with low gypsum levels.
- A European cement manufacturer observed significant quality improvements with PCE-based grinding aids, particularly for blended cements containing up to 30 per cent fly ash. These cements exhibited narrower PSD and enhanced durability characteristics.
Challenges in Grinding Aid Adoption
Grinding aids, despite their proven benefits in enhancing milling efficiency and improving cement quality, face several challenges in widespread adoption. Understanding these challenges requires a detailed analysis of operational, environmental, and regulatory factors at both global and regional levels, including India. This section delves into the barriers to the extensive use of grinding aids, with a focus on technical, logistical, and market-driven aspects.
4.1. Reasons for Limited Popularity in Some Regions and Plants
The limited adoption of grinding aids in certain regions and plants often stems from economic constraints and lack of awareness. In emerging markets, the upfront cost of grinding aids may deter smaller or cost-sensitive cement producers. For example, in India, many mid-sized plants operate on tight profit margins and prioritise short-term cost reductions over long-term efficiency gains. Globally, smaller plants in Africa and Southeast Asia also exhibit lower adoption rates due to financial constraints and limited technical knowledge about the benefits of grinding aids.
Additionally, plant operators may hesitate to incorporate grinding aids due to the perception that these additives increase operational complexity. Variations in clinker composition and grinding equipment across plants often necessitate customised formulations of grinding aids, which can create challenges in consistency and effectiveness. For instance, cement plants using vertical roller mills (VRMs) often require different grinding aid formulations compared to those with ball mills, leading to variability in performance and discouraging adoption.
4.2. Impact of Raw Material Variability on Grinding Aid Effectiveness
The variability of raw materials, including clinker and gypsum, presents a significant challenge to the consistent performance of grinding aids. Differences in chemical composition, mineralogy, and moisture content of raw materials can influence the reactivity and efficacy of grinding aids. For example, clinkers with high levels of alite (C3S) and belite (C2S) require different formulations compared to those with elevated free lime or alkali content.
In India, raw material variability is particularly pronounced due to the use of diverse limestone sources and blended cements containing fly ash, slag, or other supplementary cementitious materials (SCMs). A study conducted by a leading Indian cement producer revealed that grinding aids optimised for clinker-based cement exhibited suboptimal performance when used for fly ash-blended cement, resulting in inconsistent strength development and mill throughput.
Globally, similar issues arise in regions where raw material quality is inconsistent. Cement plants in Southeast Asia, for instance, frequently encounter challenges due to high moisture content in limestone and clay, which affects grinding efficiency and necessitates frequent adjustments in grinding aid dosage.
4.3. Concerns Over Operational and Maintenance Issues in Cement Mills
Operational and maintenance challenges in cement mills also contribute to the limited adoption of grinding aids. Excessive use of grinding aids can lead to unwanted side effects, such as excessive coating of grinding media and mill internals, which can reduce grinding efficiency and increase maintenance costs. For example, ethylene glycol-based grinding aids, when used at high dosages, may lead to the formation of sticky residues, necessitating frequent cleaning of mill components.
Furthermore, some plant operators report issues related to the compatibility of grinding aids with chemical admixtures or process conditions. In certain cases, the use of amine-based grinding aids has been linked to increased foaming in water-recirculating systems, leading to operational disruptions and higher water treatment costs.
Additionally, the adoption of grinding aids in plants using VRMs is often hindered by the sensitivity of these mills to operating parameters. Variations in grinding aid dosage or clinker properties can significantly affect mill vibrations and stability, creating operational challenges.
4.4. Environmental and Regulatory Challenges Related to Grinding Aids
Environmental concerns and regulatory restrictions represent another significant barrier to the widespread adoption of grinding aids. Many grinding aids contain volatile organic compounds (VOCs), which are subject to stringent environmental regulations in developed markets such as Europe and North America. For instance, amine-based formulations, including triethanolamine (TEA) and diethanolamine (DEA), are classified as hazardous substances in some regions, limiting their usage.
In India, while environmental regulations are less restrictive, there is growing pressure from policymakers and environmental organisations to minimise the carbon footprint of cement manufacturing. Grinding aid manufacturers face the challenge of developing eco-friendly formulations that meet performance requirements while adhering to environmental standards. This has spurred interest in biodegradable and low-VOC grinding aids, although their higher cost remains a deterrent.
Additionally, regulatory approval processes for new grinding aid formulations can be time-consuming and costly, particularly in regions with strict compliance standards. This limits the introduction of innovative products in markets such as the EU, where REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) compliance is mandatory.
About the author:
Dr SB Hegde, a global cement industry leader with over 30 years of experience, is a Professor at Jain College of Engineering, India, and a Visiting Professor at Pennsylvania State University, USA. Recipient of the ‘Global Visionary’ award, Dr Hegde advises India’s think tank CSTEP on hydrogen usage in cement and consults for major cement companies. He also serves on expert panels of key industry bodies and journals globally.
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The future of India’s roads took centrestage at RAHSTA Expo 2026, where policymakers, contractors and industry leaders came together under one roof. The event blended thought leadership, technology showcase and industry recognition into a single powerful platform.
India’s roads and highways community gathered in full strength at the Jio World Convention Centre, Mumbai, for the 16th edition of the RAHSTA Expo (Roads and Highways Sustainable Technologies & Advancement). Over two action-packed days, the event brought together policymakers, contractors, consultants, developers, equipment manufacturers, material suppliers, technology providers and investors to deliberate on the future of India’s ,infrastructure while showcasing the latest innovations driving the sector.
The event culminated in the prestigious RAHSTA Awards, where Shri. Ajay Tamta, Union Minister of State for Road Transport & Highways, felicitated organisations and professionals for their outstanding contributions to road construction, engineering, safety, sustainability and technology. With leading contractors, senior government officials, industry veterans and technology providers under one roof, the event reaffirmed RAHSTA’s position as one of India’s most influential platforms for the roads, highways, bridges and tunnels ecosystem.
Organised by FIRST Construction Council in association with ASAPP Info Global Group, RAHSTA has steadily evolved beyond an exhibition into a platform where policy, technology, engineering and business converge to address the opportunities and challenges shaping India’s next generation of transport infrastructure.
Beyond expansion, towards value
The conference opened with a thought-provoking address by Pratap Padode, Founder and Editor-in-Chief, Construction World, who observed that India’s highways sector has reached an important inflection point. Introducing this year’s theme – ‘From Expansion to Value: The Next Phase of India’s Highways’ – he noted that while the country has successfully expanded its road network over the past two decades, the industry’s priorities are now shifting towards building infrastructure that delivers greater lifecycle value, durability, safety and operational efficiency. With funding pressures, asset monetisation and evolving project models changing the sector’s dynamics, he said the focus must now move beyond kilometres constructed to the quality and long-term performance of every asset.
Dr Brijesh Dixit, Managing Director, Maharashtra State Infrastructure Development Corporation (MSIDC), reminded delegates that successful infrastructure delivery is ultimately a collective effort. Emphasising on collaboration between government, industry and engineering professionals, he remarked, “There is no loser in a winning team, and there is no winner in a losing team,” urging stakeholders to work together to deliver projects with quality, financial sustainability and technological excellence.
Delivering the keynote address, Bidur Kant Jha, Director, New Technologies for Highway Development, Ministry of Road Transport & Highways (MoRTH), outlined the Government’s long-term vision for India’s highway network. Highlighting the country’s 6.26 million km roads network, he spoke about the growing adoption of digital planning tools such as BIM and GIS, bridge health monitoring systems and Integrated Smart Transport Corridors under the Vision 2047 roadmap. He emphasised that while India remains open to global innovations, every new technology must be adapted to Indian conditions before large-scale deployment.
Addressing the gathering during the awards ceremony, Tamta underlined the increasing role of specialised equipment and modern construction technologies in executing complex infrastructure projects across diverse terrains. Referring to challenging tunnel projects in Uttarakhand, he noted how advanced machinery has transformed execution capabilities, while also acknowledging the rapid evolution of Indian contractors into globally competitive infrastructure companies. Recognising excellence through industry awards, he said, motivates organisations to continually raise performance standards and embrace innovation.
Meanwhile, Dr Sanjay Mukherjee, IAS, Metropolitan Commissioner, MMRDA, highlighted that infrastructure development must increasingly focus on integrated urban mobility. Reflecting on Mumbai’s engineering journey – from its historic underground utility network to the Coastal Road and other transformative projects – he underlined that future infrastructure planning must seamlessly integrate roads, metro systems and public transport to create efficient, multimodal cities.
Uttar Pradesh takes centrestage
One of the highlights of the second day was Uttar Pradesh’s comprehensive presentation on its infrastructure-led industrial transformation.
Srihari Pratap Shahi, IAS, Additional CEO, Uttar Pradesh Expressways Industrial Development Authority (UPEIDA), demonstrated how the state’s expanding expressway network is evolving into a catalyst for industrial development through integrated manufacturing and logistics clusters. Expressways, he noted, are no longer merely transport corridors but engines of economic competitiveness.
Building on this narrative, Deeksha Jain, IAS, Additional Chief Executive Officer, Uttar Pradesh State Industrial Development Authority (UPSIDA), showcased the state’s rapidly expanding industrial ecosystem supported by extensive expressway connectivity, dedicated freight corridors, airports, industrial townships and investor-friendly policies. She highlighted Uttar Pradesh’s strong manufacturing growth, expanding industrial land bank, plug-and-play infrastructure and increasing use of digital governance to facilitate investments.
Further underlining the significance of the platform, Deepak Kumar, IAS, Infrastructure & Industrial Development Commissioner, Government of Uttar Pradesh, remarked, “RAHSTA provides an excellent platform for states to showcase our infrastructure progress and investment ecosystem. Uttar Pradesh has transformed significantly over the past decade, backed by more than 34 investor-friendly industrial policies, and platforms like RAHSTA help communicate these developments to industry stakeholders from across the country.”
Ideas that shaped the industry conversation
The two-day conference featured seven panel discussions, each examining a critical dimension of India’s evolving roads and highways sector.
The opening discussion on ‘Financing Roads & Highways in a Capital-Constrained Era’ brought together experts from Cube Highways, NIIF, SBI Capital Markets, Centrum Capital and Bandhan Infra Fund, who examined how the financing landscape is changing. Discussions revolved around asset monetisation, InvITs, institutional investments and new funding structures, with panellists agreeing that better project preparation, transparent governance and predictable returns will be crucial for attracting long-term capital into infrastructure.
Attention then shifted to execution realities during the panel on ‘Contractors’ Perspective: Execution Realities, Risks & the Quality Imperative.’ Representatives from GHV Infra Projects, PNC Infratech, NCC and Maccaferri candidly discussed the challenges of delivering projects amid contractual complexities, land acquisition delays, rising costs and tight timelines. While execution pressures remain significant, the discussion reinforced that better collaboration across the project value chain is essential for achieving both speed and quality.
Day 2 opened with a technically rich discussion on ‘Designing Roads for Sustainability, Durability & Climate Resilience’. Experts from CSIR-CRRI, IIT Bombay, IIT Madras, Zydex Group and SRMB Steel explored advanced pavement technologies, recycled materials, climate-resilient designs and scientific construction practices that can significantly improve durability while lowering lifecycle costs. Sustainability, they agreed, must become an integral part of road design rather than an afterthought.
The subsequent session on ‘Bridges & Tunnels: Complex Engineering, Safety & Future Readiness’ highlighted the growing complexity of India’s infrastructure projects. Panellists discussed advances in structural engineering, digital monitoring, risk management and safety practices that are enabling the successful delivery of increasingly ambitious bridge and tunnel projects across the country.
Technology remained a recurring theme during the discussion on ‘Technology as a Risk-Mitigation Tool for Developers & Investors’. Experts explained how AI, BIM, drones, predictive analytics, digital twins and intelligent monitoring systems are helping improve project planning, minimise execution risks, strengthen quality assurance and enhance asset management throughout the infrastructure lifecycle.
The construction equipment panel brought together leading industry experts to examine how technology, sustainability and digitalisation are redefining construction equipment in an era of rising cost pressures. Discussions centred on enhancing productivity, reducing lifecycle costs and preparing the industry for India’s infrastructure ambitions leading up to 2047.
The conference concluded with an engaging CXO Forum on ‘Rebuilding Confidence in India’s Roads & Highways Sector’, where senior industry leaders emphasised that stronger governance, better project preparation, digitalisation, transparent contracting and closer public-private collaboration will be essential to sustain India’s infrastructure growth over the coming decades.
Technology and recognition under one roof
Beyond the conference halls, RAHSTA Expo reflected the technological transformation underway across India’s road infrastructure ecosystem. Leading equipment manufacturers, technology companies and material suppliers showcased advanced construction equipment, intelligent digital platforms, pavement technologies, structural materials and productivity-enhancing solutions designed to improve project efficiency and asset performance. The exhibition created valuable opportunities for contractors, consultants, government agencies and project developers to evaluate new technologies while interacting directly with solution providers.
The event also served as a celebration of excellence through the RAHSTA Awards 2026, which recognised outstanding achievements across road construction, contracting, materials, equipment, technology, safety, sustainability and infrastructure development. Presented by Minister Tamta, the awards honoured organisations that are setting new benchmarks for quality, innovation and execution across India’s roads sector.
RAHSTA Expo 2026 also received extensive support from across the infrastructure ecosystem. Alongside leading corporate sponsors, the event was backed by industry bodies including the Builders Association of India (BAI), Construction Equipment Rental Association (CERA), Consulting Engineers Association of India (CEAI), International Road Federation (IRF), CSIR-CRRI, CILT India, All India Transporters Welfare Association, Hydraulic Trailer Owners Association (HTOA), Gujarat Contractors Association, Bitumen Forum, Fluid Power Society of India, Indian Institute of Material Management, Ministry of Ports, Shipping and Waterways, Gati Shakti Vishwavidyalaya and Mumbai First, reflecting the industry’s collective commitment to advancing India’s road infrastructure.
As the curtains came down on the two-day event, one message resonated throughout the conference: India’s highways story is entering a new chapter. While expansion will continue, the future will increasingly be defined by smarter planning, stronger partnerships, digital transformation, sustainable engineering and long-term value creation. By bringing together the entire infrastructure value chain on a single platform, RAHSTA Expo 2026 once again demonstrated why it has become one of the country’s most influential forums for shaping the future of roads, highways, bridges and tunnels.
Economy & Market
Fornnax Names Lukas Baur as Authorised Service Partner to Bolster EU Operations
Published
1 month agoon
July 23, 2026By
admin
Strapline: Fornnax Technology has appointed NOBA Maschinenservice’s Lukas Baur as its authorised service partner for the European Union, strengthening its commitment to delivering fast, reliable, and localised after-sales support across the region.
Fornnax Technology, a leading manufacturer of industrial shredding solutions, has announced the appointment of Mr. Lukas Baur of NOBA Maschinenservice as its authorised service partner for the European Union. The partnership, formalised under the authorisation of Fornnax CEO Mr. Jignesh Kundaria, reinforces the company’s commitment to providing dependable, localised service support to its expanding customer base across Europe.
Strengthening Service Through Proven Expertise
With over two decades of experience in servicing, maintaining, and overhauling industrial shredders, Mr. Baur brings extensive technical expertise to the partnership. His capabilities span welding, hardfacing, shaft and knife rebuilding, complex assembly, hydraulics, and complete electrical engineering services, delivered in collaboration with a trusted partner company based in Halle/Saale.
Operating from Worbis, Germany, Mr. Baur is strategically positioned to provide emergency support across the European Union within 24 hours, covering an operational radius of approximately 1,000 kilometres.
Supporting this capability is a well-equipped service infrastructure comprising 12 Mercedes Sprinter service vans, a team of 24 skilled technicians, specialised bearing-change tools, a fully equipped hydraulic workshop, and a 1,000-square-metre facility with a five-ton crane track. Together, these resources position his team to manage the complete spectrum of Fornnax’s European service requirements efficiently and reliably.
Partnership Driven by Industry Insight
Having spent years servicing Eldan, Lindner, and Vecoplan shredders across the European recycling industry, Mr. Baur’s decision to collaborate with Fornnax is rooted in his understanding of market needs and customer expectations. His experience has provided valuable insight into what recycling plant operators require—not only from their machinery but also from the service teams supporting them.
According to Mr. Baur, Fornnax’s reputation for robust machine construction, superior wear protection, and maintenance-friendly design made the partnership a natural fit.
The collaboration comes at a time when Europe’s tyre recycling industry is facing mounting challenges, including rising cost pressures, shrinking margins, delayed investments, and a shortage of skilled labour. Mr. Baur believes these conditions reinforce the need for technically strong service partners capable of delivering rapid, dependable support.
Commenting on the partnership, he said, “Fornnax, with its exceptional price-performance ratio and superior quality, has the potential to become a market leader in Europe. We would like to be their service partner in this journey.”
Comprehensive Support Across the Equipment Lifecycle
As Fornnax’s authorised service partner, Mr. Baur will oversee the complete lifecycle support of the company’s equipment throughout the European Union. His responsibilities will include installation, commissioning, preventive maintenance, emergency repairs, and spare parts support across mechanical, hydraulic, and electrical systems.
Looking ahead, he also plans to develop a centralised spare parts distribution hub for European customers, particularly if Fornnax establishes a warehouse facility in Worbis to facilitate faster deliveries. To further strengthen service coverage, Mr. Baur intends to expand operations by adding two to three additional service teams and vehicles each year, progressively increasing capacity across the continent.
A Shared Commitment to Customer Excellence
Highlighting the strategic importance of the partnership, Mr. Jignesh Kundaria, Director and CEO of Fornnax, said:
“We strongly believe that by continuously improving our service quality and customer satisfaction index, we can build long-term relationships with our customers. Higher customer satisfaction leads to greater trust, which significantly increases repeat orders and ultimately drives sustained growth in our sales revenue.”
This customer-first philosophy underpins Fornnax’s strategy of building a dedicated European service partner network instead of relying solely on remote support. With Mr. Baur joining this network, customers across the European Union will benefit from faster response times, expert technical assistance, and dedicated on-ground support from a partner with extensive experience in high-throughput shredding operations.
Mr. Baur’s appointment also reflects Fornnax’s broader ambition to establish itself as the preferred shredding solutions provider for the European recycling industry, marking another important milestone in the company’s international growth strategy.
From LC3 and AI-driven kilns to RDF gasification, ICR explores the full breadth of technological innovation reshaping India’s cement industry. Low-carbon materials, digital manufacturing, alternative fuels and breakthrough concrete science are collectively advancing the sector’s transition from high-emission commodity producer toward a net-zero, infrastructure-ready future.
Innovation has become the defining force shaping the future of the cement industry. As the world’s second-largest cement producer, India is witnessing rising demand driven by infrastructure development, urbanisation, affordable housing, and industrial growth. At the same time, the International Energy Agency (IEA) estimates that cement production accounts for nearly 7 per cent to 8 per cent of global CO2 emissions, with clinker manufacturing contributing the largest share, making innovation an operational necessity. The industry is therefore investing heavily in low-carbon cement technologies, artificial intelligence (AI), digital manufacturing, alternative fuels, renewable energy and carbon capture, utilisation and storage (CCUS). Innovations such as limestone calcined
clay cement (LC3), supplementary cementitious materials (SCMs), AI-driven process optimisation and automated quality control are enabling manufacturers to produce more sustainable, efficient, and high-performance cement.
According to the Global Cement and Concrete Association (GCCA), achieving net-zero emissions will require a combination of material innovation, digital transformation, circular economy practices and collaborative research, making innovation central to the industry’s long-term competitiveness and India’s sustainable infrastructure growth.
Next-generation cement
The future of cement lies in reducing its dependence on clinker-the most carbon-intensive component of cement-through the adoption of low-carbon materials and advanced blended cement technologies. Products such as Portland Pozzolana Cement (PPC), Portland Slag Cement (PSC), Portland Composite Cement (PCC), and LC3 are driving this shift by replacing clinker with SCMs like fly ash, GGBS, calcined clay and limestone.
According to GCCA, SCMs can replace 30 to 50 per cent of clinker, with some applications exceeding 70 per cent, significantly reducing carbon emissions without compromising strength or durability. These blended cements also improve concrete performance by enhancing durability, reducing permeability, and increasing resistance to chloride and sulphate attacks. As the availability of traditional SCMs declines with the decarbonisation of the power and steel sectors, the industry is increasingly exploring alternative materials and next-generation cement formulations to support long-term sustainability.
Shrivats Singhania, Deputy Managing Director, JK Lakshmi Cement, says, “Innovation is enabling the cement industry to address one of its most important challenges – producing more with fewer resources and lower emissions. Across the value chain, manufacturers are deploying technologies that simultaneously improve operational efficiency and advance sustainability goals. For example, greater adoption of alternative fuels, waste heat recovery systems, renewable energy, and digital process controls is helping reduce energy consumption and optimise resource utilisation. Data-driven manufacturing allows plants to monitor operations in real time, improve equipment reliability, minimise downtime, and reduce wastage, resulting in both environmental and economic benefits.”
“Meaningful progress is also being achieved through material innovation. The growing use of blended cements and next-generation products such as LC3 reduces dependence on clinker, the most carbon-intensive component of cement production, thereby lowering embodied carbon without compromising performance,” he adds.
Among emerging technologies, LC3 has gained global recognition as one of the most promising low-carbon cement innovations. In a standard formulation, LC3 comprises approximately 50 per cent clinker, 30 per cent calcined clay, 15 per cent limestone, and 5 per cent gypsum. LC3 can reduce CO2 emissions by up to 40 per cent compared with Ordinary Portland Cement (OPC) while delivering comparable strength and enhanced durability. Its reliance on abundant, locally available raw materials, rather than industrial by-products, makes it highly scalable and well suited to countries like India.
According to the LC3 Project, nearly 75 per cent of cement plants worldwide could adopt LC3 using existing manufacturing infrastructure, potentially reducing global CO2 emissions by over 400 million tonnes annually, if adopted at scale globally. India’s introduction of BIS standard IS 18189:2023 for LC3, coupled with its adoption in projects such as the Noida International Airport, marks a step toward commercial implementation. As demand for sustainable construction grows, LC3 is poised to become a cornerstone of low-carbon infrastructure development.
Making of a smart cement plant
The modern cement plant is rapidly evolving into a digitally connected, AI-enabled manufacturing ecosystem where data drives every aspect of production – from raw material proportioning and kiln operations to quality control, maintenance and energy management.
According to IEA, digital technologies can improve energy efficiency in heavy industries by 10 per cent to 20 per cent. Advanced process control systems in cement plants have demonstrated the potential to reduce thermal energy consumption by 3 to 5 per cent, lower electricity consumption by 2 to 10 per cent, and improve kiln throughput and clinker quality. AI-powered predictive maintenance further helps reduce unplanned equipment downtime by 30 to 50 per cent and extend equipment life by continuously analysing sensor data to detect failures before
they occur.
Jignesh Kundaria, Director and CEO, Fornnax Technology, says, “AFR is no longer viewed solely as a sustainability initiative. It has become a strategic business priority for cement manufacturers. Rising fuel costs, stricter environmental regulations, and growing pressure to reduce dependence on conventional fuels are accelerating AFR adoption across the industry. However, the success of an AFR project depends heavily on how effectively waste is processed before it reaches the kiln. Poor preprocessing can negatively impact kiln performance, fuel efficiency, and emission control systems. Inconsistent fuel
quality often forces operators to make frequent adjustments, reducing throughput and increasing energy consumption.”
Dr Kapil Kukreja, General Manager, NCCBM, says, “Variations in composition, particle size, and calorific value can lead to inconsistent combustion behaviour resulting in fluctuating heat release patterns. These fluctuations can affect process stability, temperature control and clinker quality. Additionally, incomplete combustion of RDF particles can result in increased emissions, higher unburnt carbon content, and operational difficulties within the calciner system. Higher ash and inert content of RDF can dilute the clinker quality and reduce calciner efficiency.”
Meanwhile, digital twins are allowing manufacturers to simulate entire production processes, optimise kiln performance, evaluate process changes virtually, and reduce operational risks before implementation. Automated Laboratory Information Management Systems (LIMS), coupled with online and offline XRF and XRD analysers, are delivering real-time monitoring of clinker chemistry and mineralogy, ensuring tighter quality control, lower clinker variability and more consistent cement performance.
Dr Prateek Sharma, Group Project Manager, NCCBM, explains, “Chlorides and alkalis present in RDF can lead to excess buildup and blockages in the kiln and calciner increasing the downtime of cement plants. Hence, issues with direct utilisation of RDF establishes the need for fuel conditioning and alternative utilisation approaches that can maximise the energy potential of RDF while minimising adverse impacts on plant operation. RDF gasification emerges as an efficient tool for converting solid RDF into syngas which can be used as a fuel with improved characteristics.”
Digitalisation and intelligent manufacturing will be among the most critical enablers of achieving the cement industry’s net-zero ambitions by improving operational efficiency while simultaneously reducing energy consumption and greenhouse gas emissions, confirms a GCCA report.
From research to reality
While the cement industry has made remarkable progress in developing breakthrough technologies, the transition from laboratory research to large-scale commercial deployment remains one of its greatest challenges. The successful adoption of innovations such as LC3), CCUS, advanced alternative fuels, green hydrogen and novel SCMs depend not only on technical feasibility but also on economic viability, regulatory support, raw material availability, and market acceptance.
Veerendra Jamdade, CEO and Founder, Vritti Solutions, states, “The cement industry has a market that is constantly in flux, due to factors such as infrastructure investment, seasonality of demand, fuel costs, building activity by region and general economic cycles; therefore, having accurate forecasts is very important in this type of market. Traditional ERP systems are primarily data repositories with limited analytic functionality; thus, they capture transactional and operational information but generally lack advanced analytical capabilities for converting captured data into actionable information. This
affects everything from demand forecasting and inventory planning through procurement and production scheduling.”
According to IEA, technologies that are still at the demonstration or early commercial stage-including CCUS and next-generation low-carbon binders-are expected to contribute nearly 40 per cent of the emissions reductions required for the global cement sector to achieve net-zero emissions by 2050, underscoring the importance of accelerating their scale-up. This requires robust R&D ecosystems, stronger collaboration between cement manufacturers, research institutions, technology providers,
equipment suppliers, and policymakers, as well as supportive standards and financial incentives to reduce investment risks.
Ashutosh Pandita, Director – Head, Cement Business, TKIL Industries, elaborates, “The cement industry’s most transformative innovation today is the increased use of alternative fuels and raw materials (AFR), supported by advanced feeding systems and process technologies that are driving both operational efficiency and decarbonisation. Looking ahead, oxyfuel combustion and carbon capture technologies remain underappreciated but hold immense potential for enabling deep reductions in carbon emissions and accelerating the industry’s journey towards net-zero production. By 2030, cement manufacturing is expected to become significantly more sustainable, energy-efficient, and technology-driven, with widespread adoption of AFR, low-clinker cement technologies, greater digitalisation and automation, and the early commercial deployment of carbon capture solutions, all supported by stronger industry collaboration and a shared commitment to achieving long-term sustainability goals.”
In India, organisations such as the National Council for Cement and Building Materials (NCCBM), leading academic institutions, and major cement companies are working together to develop and validate emerging technologies, while the introduction of standards such as IS 18189:2023 for Limestone Calcined Clay Cement (LC3) marks a significant step towards commercial adoption. However, challenges such as high capital investment, long validation cycles, limited infrastructure for technologies like CCUS, fluctuating availability of alternative raw materials, and customer acceptance continue to slow implementation. Bridging the gap between research and commercial reality will therefore require sustained investment in innovation, knowledge-sharing, pilot projects, policy support, and industry-wide collaboration to ensure that promising technologies evolve into scalable, economically viable solutions capable of transforming the future of cement manufacturing.
Creating a green future
Clinker production will increasingly rely on low-carbon technologies such as LC3, high-volume SCMs, AFR, renewable energy, waste heat recovery, and eventually CCUS, enabling manufacturers to significantly reduce their environmental footprint.
Achieving net-zero concrete by 2050 will require a combination of clinker substitution (around 37 per cent of cumulative CO2 reductions), carbon capture technologies (approximately 36 per cent), and improvements in thermal efficiency, renewable energy, and circular economy practices.
Industry Expert SA Khadilkar comments, “Customer requirements are a key driver of innovation in the cement industry, influencing product development, process improvements, sustainability initiatives, and digital solutions. Innovation is most effective when it addresses real market needs, particularly in areas such as performance, durability, and application-specific requirements. Around a decade ago, ACC and Ambuja Cements (now Adani Cement) recognised this shift and introduced performance-oriented blended cement brands with enhanced durability, reduced water penetration, and OPC-like properties. Their success encouraged other major cement manufacturers to develop specialised cement brands with unique performance characteristics, demonstrating how product innovation has evolved to meet changing customer expectations.”
“Ultimately, customer expectations have transformed innovation from a technology-driven exercise into a market-driven strategy, ensuring that new developments create measurable value across the construction value chain,” he adds.
India is expected to add nearly 500 million square metres of urban built-up area by 2030, driving sustained demand for greener, more durable, and higher-performing construction materials, according to NITI Aayog. Meeting this demand will require cement manufacturers to evolve from commodity producers into integrated providers of sustainable building solutions, supported by data-driven manufacturing, collaborative R&D, customer-centric product innovation, and circular resource management. The cement plant of tomorrow will therefore be defined not only by its production capacity but also by its ability to manufacture smarter, cleaner, and more sustainable construction materials that support India’s ambitious infrastructure and climate goals.
Conclusion
The path ahead is clear in its direction, if not yet in its pace. India’s position as the world’s second-largest cement producer, combined with its infrastructure ambitions and its 2070 net-zero commitment, makes this transition both urgent
and consequential.
What this article has made evident is that no single technology will carry the industry to net zero. LC3 addresses clinker dependency. Digital manufacturing addresses efficiency and waste. Alternative fuels address fossil fuel dependence. CCUS addresses the residual process emissions that no other lever can reach. Each is necessary. None is sufficient alone. The industry’s task is to advance all of them simultaneously, at a pace that matches the scale of the challenge.
The plants that will build tomorrow’s highways, airports and homes will need to do so with a fraction of today’s carbon footprint.
Innovations in cement and concrete
- Carbon mineralisation in concrete: A 2026 peer-reviewed study in the Journal of the American Ceramic Society by MIT’s Masic Lab and CarbonCure Technologies used in-situ Raman microspectroscopy to show that CO2 injected during cement mixing triggers a three-stage hydration sequence, producing a more uniform microstructure with approximately 13 per cent higher early strength while permanently sequestering carbon within the concrete matrix.
Source: www.carboncure.com
- Zero-clinker geopolymer blocks: Theseus Development manufactures geopolymer blocks using upcycled aluminosilicate waste from quarries and mines through an inorganic polymerisation process, achieving up to 80 per cent lower embodied carbon compared to conventional cement blocks. An interlocking block design reduces mortar requirements, lowering construction costs while eliminating clinker entirely from the production process.
Source: www.rmi.org
- 3D-printed basalt fibre grids: Austrian startup Fiber Elements, founded in 2023, uses robotically wound continuous basalt fibres arranged into three-dimensional reinforcement grids that replace steel in concrete structures. The resulting composites are three times stronger than steel, weigh two-thirds less, resist corrosion entirely and reduce CO2 emissions by up to 70 per cent compared to conventional steel-reinforced concrete.
Source: www.eitmanufacturing.eu
- Self-healing concrete: Dutch company Basilisk leads commercial deployment of bacteria-based self-healing concrete, with licensed production now active in Japan and a highway viaduct pilot planned for 2026. Dormant Bacillus bacteria embedded in the mix activate upon crack formation, metabolising nutrients to precipitate calcium carbonate that autonomously seals fractures. The global self-healing concrete market is projected to grow significantly through 2031, driven by green building mandates and infrastructure agencies targeting lower maintenance costs and extended structural life.
Sources: www.thelegaljournalontechnology.com and www.mordorintelligence.com
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