Economy & Market
Greener Mining, Stronger Cement
Published
1 year agoon
By
admin
Sustainable mining is shaping the cement industry’s path to environmental responsibility and paving the way for a greener future. However, it is an uphill task – one that requires technology, on-ground support and forward-thinking leadership. ICR looks at how companies are seeking to balance production demands with environmental responsibility.
Cement production relies heavily on the extraction of raw materials like limestone, clay, and gypsum, making the mining process a key component of the supply chain. However, traditional mining methods often result in significant environmental degradation, including habitat destruction, deforestation, and water contamination.
To address these issues, the cement industry is adopting sustainable mining practices that minimise environmental impact while ensuring resource efficiency. Techniques such as precision mining, water conservation, land reclamation, and the use of renewable energy in operations are being widely implemented. These practices not only help reduce the carbon footprint but also support biodiversity and ecosystem restoration in mining areas.
Pukhraj Sethiya, India Managing Director, and Jyotirmoy Saha, Senior Consultant, ReVal Consulting, say, “Mine planning is a complex job and requires extensive critical thinking along with technical competency. With a core focus on sustainability and resource recovery maximisation, our mine plans are built in ways that ensure long term gains for our esteemed clients. We deploy first principle thinking and create numerous design iterations which helps us in curating a comparative picture of the different ways of operating a particular mine. This involves defining the mine pit boundary first which is of prime importance to ensure optimum land requirement and utilisation.”
Sustainable mining is vital for the cement industry as it ensures the long-term availability of raw materials while aligning with global environmental goals. By embracing these practices, cement manufacturers can reduce waste, conserve natural resources, and contribute to a more sustainable production cycle, ultimately leading to enhanced cost efficiency and regulatory compliance in an increasingly eco-conscious market.
Impact of traditional mining
Traditional mining practices, often employed in the extraction of raw materials for cement production, pose significant environmental challenges. Conventional mining methods, such as open-pit mining, can lead to large-scale habitat destruction, deforestation, and soil erosion. The removal of vegetation and the disruption of natural landscapes often result in the loss of biodiversity and long-term ecological degradation.
One of the primary concerns is the pollution of water bodies due to the release of harmful chemicals and sediments, which can affect aquatic ecosystems and local communities relying on these resources. Air pollution, caused by dust emissions and the release of greenhouse gases from mining operations, contributes to climate change and affects the health of nearby populations. Land degradation and the generation of large quantities of waste materials also present significant environmental challenges.
Rajendra Bora, AVP – Mines, Wonder Cement, says, “Balancing raw material extraction with ecosystem preservation is one of our core priorities at Wonder Cement Ltd. We adopt a holistic approach to mining, integrating stringent environmental impact assessments before beginning operations. This allows us to plan our extraction activities in ways that minimise disruption to local ecosystems. For example, we have implemented controlled blasting techniques and utilised buffer zones to protect wildlife and vegetation. We have also restored abandoned quarries into eco-friendly landscapes that support local biodiversity. Use of Surface Miner helps in preserving the natural ecosystem during raw material extraction.”
“Wonder Cement is committed to reducing its reliance on natural resources through the use of alternative raw materials. We have adopted the use of industrial by-products such as fly ash, slag, and other recycled materials to supplement raw material requirements in cement production. These alternative materials not only reduce the need for mining but also contribute to the circular economy by diverting waste from landfills. This approach underscores our commitment to resource efficiency and sustainability” he adds.
Key challenges in addressing these issues include the need for sustainable resource management, the high costs of implementing environmentally friendly technologies, and balancing economic pressures with ecological preservation. Additionally, restoring ecosystems post-mining can be complex and time-consuming, requiring extensive rehabilitation efforts.
The cement industry must navigate these challenges by adopting more sustainable mining techniques and implementing stricter environmental regulations to mitigate the ecological impact of mining activities while ensuring the long-term viability of raw material extraction.
Emerging technologies in eco-friendly mining
The mining industry is witnessing a transformative shift towards eco-friendly practices through the adoption of emerging technologies like artificial intelligence (AI), automation, and data analytics. These innovations are revolutionising resource extraction, helping reduce the environmental footprint while enhancing efficiency in cement production.
AI-powered systems can predict equipment failures, optimise mining routes, and improve energy efficiency by analysing vast amounts of operational data. Automation, such as autonomous vehicles and robotic drills, minimises human intervention in hazardous environments and reduces energy consumption. These technologies also contribute to precision mining, where resource extraction is optimised to avoid wastage, lowering emissions and reducing land degradation.
Dr Ing. Metodi Zlatev, Head of the Sales and Project Department, Haver & Boecker Niagara, says, “Industry 4.0 and innovative technologies are revolutionising cement mining operations by making them more sustainable and efficient. Our Quatro 4.0 system allows operations to manage their system in an optimal way. It automatically, effortlessly and securely provides data that can signal potential maintenance issues while enabling deep insights into machine productivity, scrap rates and more. This proactive approach allows operations to reduce downtime and costs, optimise their processes and contribute to the environment.”
“Furthermore, our Pulse condition monitoring system, equipped with advanced sensors installed on critical machinery, provides 24/7 monitoring capabilities. This continuous surveillance ensures that any deviations or potential issues are detected early, allowing for timely interventions. The accompanying mobile app provides instant access to this data, facilitating quick decision-making and further reducing unexpected downtime. By integrating such advanced systems, cement companies can achieve their goals of operational excellence and environmental stewardship,” he adds.
Data analytics plays a crucial role in monitoring environmental impact, helping mining companies track emissions, water usage, and biodiversity changes in real-time. This data-driven approach enables better decision-making and supports compliance with environmental regulations.
By integrating AI, automation, and data analytics, eco-friendly mining technologies are improving resource efficiency, reducing operational costs, and minimising the ecological impact of mining operations. For the cement industry, these innovations offer a pathway towards more sustainable raw material sourcing, aligning with global decarbonisation goals.
Role of explosives in mining
Explosives play a critical role in mining operations, particularly in extracting raw materials for industries like cement production. Traditional explosives, such as ammonium nitrate fuel oil (ANFO), are widely used to break rock formations and access valuable minerals. While effective, the use of such explosives raises concerns about environmental impacts, including air pollution, ground vibrations and habitat disruption.
In the context of sustainable mining, there is a growing focus on using eco-friendly explosives and blasting techniques that minimise environmental harm. Emulsion-based explosives, for example, offer a safer, more efficient alternative with lower toxicity levels and reduced emissions. Innovations in precision blasting, supported by data analytics and real-time monitoring, also contribute to more controlled and targeted explosions, reducing waste and energy consumption.
Shubham Choudhari, Chief Technology Officer, SBL Energy, says, “At SBL Energy, we leverage advanced technology to improve resource recovery during blasting. Our precision blasting techniques ensure optimal rock fragmentation, minimising the need for re-blasting and ensuring that a higher proportion of extracted material is of high quality and ready for processing.”
Sustainable explosives practices align with broader goals of reducing carbon emissions and preserving ecosystems around mining areas. By incorporating these advancements, the cement industry can continue to meet its raw material demands while maintaining a commitment to environmental stewardship.
Reducing carbon footprint
Reducing the carbon footprint of mining operations has become a priority as the cement industry aims to align with global sustainability goals. A significant shift towards the adoption of renewable energy sources for powering mining equipment is helping to achieve this. Traditionally, mining operations have relied heavily on fossil fuels, leading to high carbon emissions. However, by integrating solar, wind, and other renewable energy solutions, mining companies can reduce their dependence on carbon-intensive power sources. Solar-powered mining equipment, wind farms, and hybrid energy systems are increasingly being deployed to lower emissions and enhance energy efficiency.
Furthermore, electrification of heavy machinery, such as electric trucks and loaders, is contributing to a decrease in the use of diesel, significantly cutting operational emissions. These renewable-powered technologies not only reduce greenhouse gas emissions but also bring long-term cost savings by lowering fuel expenses and enhancing operational resilience against energy price fluctuations.
For the cement industry, adopting renewable energy in mining operations is crucial in minimising environmental impact, supporting the industry’s decarbonisation journey, and contributing to global efforts to combat climate change.
Sustainable water management and biodiversity preservation
Sustainable water management has become a critical focus in mining, especially within the cement industry, where efficient resource utilisation is essential. Mining operations can be water-intensive, but advanced techniques like water recycling, rainwater harvesting, and the treatment of wastewater are helping to mitigate water scarcity issues. Closed-loop water systems, which minimise water withdrawal from local sources, ensure that mining operations remain eco-friendly and sustainable.
Restoration of mining sites post-extraction is another key aspect of responsible mining. Leading practices include land reclamation, afforestation and soil stabilisation efforts that rehabilitate the environment after mining activities cease. These measures ensure that ecosystems are restored, enabling the land to support plant life and wildlife once again.
Efforts to preserve biodiversity around mining areas are equally important. Companies are increasingly conducting biodiversity assessments before starting extraction and implementing strategies to protect local flora and fauna. Creating wildlife corridors, reducing habitat fragmentation, and ensuring minimal disruption to natural ecosystems are becoming standard practices in sustainable mining, reflecting the industry’s commitment to environmental stewardship. These initiatives not only help in reducing the environmental footprint of mining operations but also support long-term ecological balance, aligning with global sustainability goals.
Alternative fuels in mining
The shift towards incorporating alternative fuels in mining machinery is gaining traction as industries, including the cement sector, strive to reduce their carbon footprints and environmental impact. Utilising alternative fuels like biodiesel, hydrogen, and compressed natural gas (CNG) in mining equipment helps reduce the reliance on traditional fossil fuels, which are major contributors to greenhouse gas emissions.
One of the primary benefits of this shift is a significant reduction in CO2 emissions, aligning with global sustainability goals and the industry’s efforts to achieve net-zero targets. Additionally, alternative fuels often offer enhanced energy efficiency and lower operational costs over time, making mining operations more economically sustainable.
Furthermore, using cleaner fuel sources improves air quality in and around mining sites, promoting healthier working environments for employees and minimising the environmental degradation caused by mining activities. As cement production continues to grow, adopting alternative fuels in mining machinery becomes a key strategy for fostering greener, more sustainable mining practices.
Ethical supply chains from mine to cement plant
The cement industry faces increasing scrutiny regarding the ethical implications of its supply chains, particularly in sourcing raw materials from mining operations. Establishing transparent and ethical supply chains is essential not only for compliance with regulatory standards but also for fostering trust among stakeholders, including consumers, investors and local communities.
To achieve this, companies must prioritise traceability at every stage of the supply chain, ensuring that materials are sourced responsibly and sustainably. This includes conducting thorough due diligence on suppliers to verify their environmental and labour practices. Embracing technologies like blockchain can enhance transparency, allowing for real-time tracking of materials from extraction through to processing and delivery at cement plants.
Additionally, engaging with local communities and stakeholders is crucial for addressing social and environmental concerns associated with mining activities. By investing in community development and ensuring fair labour practices, companies can build stronger relationships and support sustainable practices that benefit all parties involved.
Ultimately, creating ethical supply chains not only mitigates risks but also enhances brand reputation and contributes to the overall sustainability of the cement industry. By committing to transparency and ethical sourcing, companies can help pave the way for a more responsible and sustainable future in cement production.
Challenges in cement mining
Cement mining, a critical component of the cement production process, faces numerous challenges that can impact efficiency, sustainability and overall operational success. Understanding these challenges is essential for industry stakeholders aiming to optimise mining operations while adhering to environmental and social standards.
- Regulatory compliance: The cement industry is subject to stringent environmental regulations and mining laws. Ensuring compliance with these regulations can be challenging, requiring substantial investment in environmental management systems and processes.
- Environmental impact: Traditional mining practices can lead to significant ecological disruptions, including habitat destruction, soil erosion and water contamination. Balancing the need for raw materials with environmental protection is a complex challenge that requires innovative practices and technologies.
- Resource depletion: As easily accessible reserves are depleted, mining operations must dig deeper or explore less accessible locations, which can increase costs and operational risks. Sustainable resource management and efficient extraction techniques are critical to mitigating this issue.
- Community relations: Cement mining often occurs in close proximity to local communities, which can lead to conflicts over land use, environmental concerns and social impacts. Building and maintaining positive relationships with local stakeholders is essential for the long-term success of mining operations.
- Technological advancements: Keeping pace with rapidly evolving technologies in the mining sector is a challenge. Adopting new technologies, such as automation and data analytics, can enhance efficiency but may require significant investment and training.
- Economic fluctuations: Volatility in the global cement market can affect demand for raw materials and, consequently, mining operations. Companies must develop strategies to adapt to market changes while maintaining operational efficiency.
Addressing these challenges requires a multifaceted approach that integrates sustainable practices, community engagement and technological innovation. By proactively tackling these issues, the cement industry can enhance the resilience and sustainability of its mining operations, ultimately contributing to a more responsible cement production process.
Innovations on the horizon for sustainable mining
As the cement industry increasingly prioritises sustainability, innovative practices and technologies are emerging to transform mining operations. The integration of advanced automation, robotics and AI is optimising resource extraction, reducing operational costs and minimising environmental impact. These technologies enhance decision-making and operational efficiency, allowing companies to improve resource allocation and predict equipment failures, thereby minimising waste.
Moreover, innovations in eco-friendly explosives and the shift towards electric and hybrid mining equipment are significantly reducing the environmental footprint of mining operations. Sustainable explosives minimise vibrations and dust emissions, improving safety and reducing ecological disruption. The adoption of IoT-enabled remote monitoring systems further enhances operational efficiency and safety by allowing real-time tracking and management of mining processes.
The long-term integration of these innovations will not only support the cement industry’s growth trajectory but also help align it with environmental regulations and climate goals. By optimising resource efficiency and reducing waste, the cement industry can meet the increasing global demand for its products while fostering better relationships with local communities and attracting investment in green technologies. Embracing these advancements positions the industry as a leader in sustainable development, paving the way for a more resilient and eco-friendly future.
Conclusion
The future of sustainable mining in the cement industry is bright, driven by innovative technologies and practices that prioritise environmental responsibility. The integration of advanced automation, eco-friendly explosives, and IoT solutions is reshaping mining operations, enhancing efficiency and significantly reducing ecological impacts. As the industry embraces these advancements, it not only meets the growing global demand for cement but also aligns with sustainability goals and environmental regulations. By fostering a commitment to sustainable mining, the cement industry can ensure its long-term growth while contributing to a healthier planet and building stronger relationships with communities, ultimately paving the way for a more resilient and sustainable future.
Economy & Market
SEW-EURODRIVE India Opens Drive Technology Centre in Chennai
Published
1 day agoon
March 25, 2026By
admin
The new facility strengthens SEW-EURODRIVE India’s manufacturing, assembly and service capabilities
SEW-EURODRIVE India has inaugurated a new Drive Technology Centre (DTC) in Chennai, marking a significant expansion of its manufacturing and service infrastructure in South India. The facility is positioned to enhance the company’s responsiveness and long-term support capabilities for customers across southern and eastern regions of the country.
Built across 12.27 acres, the facility includes a 21,350-square-metre assembly and service setup designed to support future industrial growth, evolving application requirements and capacity expansion. The centre reflects the company’s long-term strategy in India, combining global engineering practices with local manufacturing and service capabilities.
The new facility has been developed in line with green building standards and incorporates sustainable features such as natural daylight utilisation, solar power generation and rainwater harvesting systems. The company has also implemented energy-efficient construction and advanced climate control systems that help reduce shopfloor temperatures by up to 3°C, improving production stability, product quality and working conditions.
A key highlight of the centre is the 15,000-square-metre assembly shop, which features digitisation-ready assembly cells based on a single-piece flow manufacturing concept. The facility also houses SEW-EURODRIVE India’s first semi-automated painting booth, aimed at ensuring uniform surface finish and improving production throughput.
With the commissioning of the Chennai Drive Technology Centre, SEW-EURODRIVE India continues to strengthen its manufacturing footprint and reinforces its long-term commitment to supporting industrial growth and automation development in India.
We explore how material handling systems are becoming strategic assets in cement plants, enabling efficient movement of raw materials, clinker and finished cement. Advanced conveying, automation and digital technologies are improving plant productivity while supporting energy efficiency and sustainability goals.
Material handling systems form the operational backbone of cement plants, enabling the efficient movement of raw materials, clinker and finished cement across complex production networks. With India’s cement industry producing over 391 million tonnes of cement in FY2024 and possessing an installed capacity of around 668 mtpa, according to the CRISIL Research Industry Report, 2025, efficient material logistics have become critical to maintaining plant productivity and cost competitiveness. At the same time, cement production is highly energy intensive and contributes around 7 per cent to
8 per cent of global CO2 emissions, making efficient material flow and logistics optimisation essential for reducing operational inefficiencies and emissions states the International Energy Agency Cement Technology Roadmap, 2023. As plants scale capacity and integrate digital technologies, modern material handling systems, ranging from automated conveyors to intelligent stockyards, are increasingly recognised as strategic assets that influence plant stability, energy efficiency and environmental performance.
Strategic role of material handling
Material handling is no longer viewed as a secondary utility within cement plants; it is now recognised as a strategic system that directly influences production efficiency and process stability.
Cement manufacturing involves the continuous movement of large volumes of limestone, clay, additives, clinker and finished cement across multiple production stages. Even minor disruptions in conveying systems or storage infrastructure can lead to kiln feed fluctuations, production delays and significant financial losses. According to Indian Cement Industry Operational Benchmarking Study, 2024, unplanned downtime in large integrated cement plants can cost between Rs.15–20 lakh per hour, highlighting the economic importance of reliable material handling systems.
Modern cement plants are therefore investing in advanced mechanical handling systems designed for high throughput and operational reliability. Large integrated plants can process over 10,000 tonnes per day of clinker, requiring highly efficient conveying systems and automated stockyards to maintain continuous material flow, suggests the International Cement Review Industry Analysis, 2024. Efficient material handling also reduces spillage, minimises dust emissions and improves workplace safety. As cement plants become larger and more technologically advanced, the role of material handling is evolving from simple transport infrastructure to a critical operational system that supports both productivity and sustainability.
From quarry to plant
The transport of raw materials from quarry to processing plant represents one of the most energy-intensive stages of cement production. Traditionally, limestone and other raw materials were transported using diesel-powered trucks, which resulted in high fuel consumption, dust generation and increased operational costs. However, modern plants are increasingly adopting long-distance belt conveyors and pipe conveyors as a more efficient alternative. These systems allow continuous material transport over distances of 10–15 kilometres, significantly reducing fuel consumption and operating costs while improving environmental performance, states the FLSmidth Cement Industry Technology Report, 2024.
Milind Khangan, Marketing Manager, Vertex Market Research & Consulting, says, “Efficient and enclosed handling of fine materials such as cement, fly ash and slag requires modern pneumatic conveying systems. By optimising the air-to-material ratio, these systems can reduce energy consumption by 10 per cent to 15 per cent while ensuring smooth material flow. Closed-loop conveying further minimises dust loading and improves the performance of bag filters, supporting cleaner plant operations. In addition, flow-regulated conveying lines help prevent clogging and maintain reliable dispatch performance. Overall, automation in pneumatic conveying delivers immediate operational benefits, including improved equipment uptime, lower energy use, reduced material spillage and more stable kiln and mill performance.”
Pipe conveyor systems are particularly gaining traction because they provide a completely enclosed transport system that prevents material spillage and dust emissions. According to global cement engineering studies, conveyor-based transport can reduce energy consumption by up to 30 per cent compared to truck haulage, while also improving operational reliability. Several cement plants in India have already implemented such systems to stabilise quarry-to-plant logistics while reducing carbon emissions associated with diesel transport.
Stockyard management and homogenisation
Stockyards play a critical role in maintaining raw material consistency and stabilising kiln feed quality. Modern cement plants use advanced stacker and reclaimer systems to ensure efficient storage and blending of raw materials before they enter the grinding and pyroprocessing stages. Automated stacking methods such as chevron or windrow stacking enable uniform distribution of materials, while bridge-type or portal reclaimers ensure consistent extraction during kiln feed preparation. These systems are essential for maintaining stable chemical composition of raw meal, which directly influences kiln efficiency and clinker quality. The Cement Plant Operations Handbook, 2024 indicates that advanced homogenisation systems can reduce raw mix variability by up to 50 per cent, significantly improving kiln stability and energy efficiency. Integrated stockyard management systems also incorporate sensors for monitoring bulk density, moisture levels and stockpile volumes, enabling real-time control over material blending processes.
Clinker and cement conveying technologies
Once clinker is produced in the kiln, it must be efficiently transported to storage silos and subsequently to grinding and packing units. Modern cement plants rely on high-capacity belt conveyors, bucket elevators and pneumatic conveying systems to manage this stage of material flow. Steel-cord belt bucket elevators are now capable of lifting materials to heights exceeding 120 metres with capacities reaching 1,500 tonnes per hour, making them suitable for large-scale clinker production lines, states the European Cement Engineering Association Technical Paper, 2023.
For fine materials such as cement, fly ash and slag, pneumatic conveying systems provide a reliable and dust-free solution. These systems transport powdered materials using controlled airflow, ensuring enclosed and contamination-free movement between grinding units, silos and packing stations. Optimised pneumatic systems can reduce energy consumption by 10 per cent to 15 per cent compared to older conveying technologies, while also improving plant cleanliness and environmental compliance, according to the Global Cement Technology Review, 2024.
Automation and digitalisation
Digitalisation is transforming material handling systems by introducing real-time monitoring, predictive maintenance and automated control. Advanced sensors and Industrial Internet of Things (IIoT) platforms enable plant operators to track conveyor health, stockpile levels and equipment performance in real time. Predictive maintenance systems analyse vibration patterns, temperature fluctuations and equipment load data to detect potential failures before they occur. According to McKinsey’s Industry 4.0 Manufacturing Report, 2023, for heavy industries, digital monitoring and predictive maintenance technologies can reduce equipment downtime by up to 30 per cent and increase productivity by 10 per cent to 15 per cent. Digital control centres also integrate data from conveyors, stacker reclaimers and dispatch systems, enabling centralised management of material flows from quarry to dispatch.
Handling of AFR
The growing adoption of Alternative Fuels and Raw Materials (AFR) has introduced new challenges and opportunities for material handling systems in cement plants. AFR materials such as refuse-derived fuel (RDF), biomass and industrial waste often have irregular particle sizes, variable moisture content and lower bulk density compared to conventional fuels. As a result, specialised storage, dosing and feeding systems are required to ensure consistent kiln combustion. According to the Cement Sector Decarbonisation Roadmap published by NITI Aayog in 2026, increasing the use of AFR could enable India’s cement sector to achieve thermal substitution rates of around 20 per cent in the coming decades. To support this transition, plants are investing in automated receiving stations, shredding units, drying systems and precision dosing equipment to stabilise AFR supply and combustion performance.
Energy efficiency and dust control
Material handling systems also play a crucial role in improving plant energy efficiency and environmental performance. Modern conveyor systems equipped with variable speed drives and energy-efficient motors can significantly reduce electricity consumption. Permanent magnet motors used in conveyor drives can deliver 8 per cent to 12 per cent energy savings compared to conventional induction motors, improving overall plant energy efficiency according to the IEA Industrial Energy Efficiency Study, 2023. Dust control is another major concern in cement plants, particularly during material transfer and storage operations. Enclosed conveyors, dust extraction systems and advanced bag filters are widely used to minimise particulate emissions and improve workplace safety.
Future trends in material handling
The future of material handling in cement plants will be shaped by automation, digitalisation and sustainability considerations. Emerging technologies such as AI-driven logistics optimisation, autonomous mobile equipment and digital twins are expected to further improve plant efficiency and operational visibility. Digital twin models allow engineers to simulate material flow patterns, optimise stockyard operations and predict equipment performance under different operating conditions. According to the International Energy Agency Digitalisation and Energy Report, 2024, the adoption of advanced digital technologies could improve industrial energy efficiency by up to 20 per cent in heavy industries such as cement manufacturing. As cement plants expand capacity and adopt low-carbon technologies, intelligent material handling systems will play a critical role in maintaining productivity and reducing environmental impact.
Conclusion
Material handling systems have evolved from basic transport infrastructure into strategic operational systems that directly influence plant efficiency, reliability and sustainability. From quarry transport and automated stockyards to digital dispatch platforms and advanced conveying technologies, modern material handling solutions enable cement plants to manage large production volumes while maintaining process stability.
As India’s cement industry continues to expand to meet infrastructure and urban development demands, investments in advanced material handling technologies will become increasingly important. By integrating automation, digital monitoring and energy-efficient systems, cement manufacturers can improve operational performance while supporting the industry’s long-term sustainability and decarbonisation goals.
- Kanika Mathur
Cement plant modernisation is reshaping the industry through upgrades in
kilns, energy systems, digitalisation, AFR integration and advanced material
handling. We explore these technologies that improve efficiency, reduce
emissions, strengthen competitiveness, while preparing the industry for India’s
next phase of infrastructure growth.
India’s cement industry, the world’s second-largest, is undergoing a rapid transformation driven by infrastructure demand, decarbonisation targets and technological advancement. The sector’s installed capacity stood at approximately 668 million tonnes per annum (mtpa) in FY2025 and is projected to reach 915–925 mtap by 2030, supported by large-scale capacity expansions and infrastructure investment cycles, suggests CRISIL Intelligence Industry Report, 2025. At the same time, cement production remains highly energy intensive and contributes about 6 per cent to 7 per cent of India’s total greenhouse gas emissions, making efficiency improvements and modernisation critical for long-term sustainability as stated in CareEdge ESG Research, 2025. As a result, cement manufacturers are investing in advanced kiln technologies, digital monitoring systems, waste heat recovery, alternative fuels, and modern material handling infrastructure to enhance productivity while aligning with global decarbonisation pathways.
Need for modernisation
The need for plant modernisation is closely linked to the sector’s rapid capacity expansion and rising operational complexity. India’s installed cement capacity has grown significantly in the last decade and is expected to exceed 900 mtpa by 2030, driven by demand from housing, infrastructure and urban development projects, as per the CRISIL Intelligence Industry Report, 2025. However, increasing scale also places pressure on energy efficiency, logistics, and production stability. The report also suggests that the cement plants must upgrade equipment and processes to operate at higher utilisation rates, which are projected to reach 75 per cent to 77 per cent by the end of the decade, compared to around 72 per cent to 74 per cent in FY2026.
Environmental imperatives are another major driver of modernisation. Cement manufacturing is responsible for a significant share of industrial emissions because clinker production requires high-temperature processes that depend heavily on fossil fuels. According to CareEdge ESG research, the cement sector contributes 6–7 per cent of India’s total greenhouse gas emissions, with approximately 97 per cent of emissions arising from direct fuel combustion and process emissions in kilns. Consequently, plant modernisation initiatives now focus not only on productivity improvements but also on reducing emissions intensity, energy consumption, and reliance on conventional fuels.
“One of the most impactful upgrades implemented at Shree Cement in the last five years has been the adoption of advanced data management platforms that provide real-time visibility across major process areas. This digital advancement has strengthened plant automation by enabling faster and more accurate responses to process variations while improving the reliability of control loops. Real-time dashboards, integrated analytics and automated alerts now support quicker, data-driven decision-making, helping optimise kiln and mill performance, improve energy control and detect deviations early. By consolidating data from multiple systems into a unified digital environment, the company has enhanced operational consistency, reduced downtime and improved both productivity and compliance. This shift towards intelligent automation and real-time data management has become a key driver of operational excellence and future-ready plant management,” says Satish Maheshwari, Chief Manufacturing Officer, Shree Cement.
Kiln and pyroprocessing upgradation
The kiln remains the technological heart of cement manufacturing, and modernisation efforts often begin with upgrades to pyroprocessing systems. Many older plants in India operate with four- or five-stage preheaters, while modern plants increasingly adopt six-stage preheater and pre-calciner systems that significantly improve heat efficiency and clinker output. These systems enhance heat transfer, reduce fuel consumption, and stabilise kiln operations under high throughput conditions.
Professor Procyon Mukherjee suggests, “Cement manufacturing is, at its core, a thermal process. The rotary kiln and calciner together account for energy consumption and emissions. The theoretical thermal requirement for clinker production is around 1700–1800 MJ per tonne, yet real-world plants often operate far above this benchmark due to inefficiencies in combustion, heat recovery and material flow. Modernisation, therefore, must begin with the
kiln system, and not peripheral automation or
isolated upgrades. The shift from wet to dry process kilns, combined with multi-stage preheaters and precalciners, has already delivered step-change improvements, making dry kilns nearly 50 per cent more energy efficient.”
Recent investment programmes across the industry have included kiln cooler upgrades, advanced burners, and improved refractory materials designed to increase operational reliability and reduce specific heat consumption. Such upgrades are essential because cement production remains highly energy intensive, and continuous efficiency improvements are required to meet global decarbonisation targets. According to the International Energy Agency (IEA) Cement Tracking Report, 2023, the cement sector must achieve annual emissions intensity reductions of around 4 per cent through 2030 to align with global net-zero scenarios.
Energy efficiency and WHRS
Energy efficiency remains one of the most important areas of modernisation in cement manufacturing, given the sector’s heavy reliance on thermal and electrical energy. Modern plants deploy advanced process controls, efficient grinding systems, and improved combustion technologies to reduce specific energy consumption. The adoption of energy-efficient technologies is particularly important in India, where energy costs account for a large share of production expenses. As demand grows and plants expand capacity, improving energy performance becomes essential to maintain competitiveness.
Waste Heat Recovery Systems (WHRS) have emerged as a key solution for improving plant energy efficiency. During cement production, large volumes of high-temperature gases are released from kilns and coolers. WHRS technology captures this waste heat and converts it into electricity, thereby reducing reliance on external power sources. According to energy benchmarking studies for the Indian cement industry, installed waste heat recovery capacity in the sector has reached approximately 840 MW, with an additional potential of around 500 MW states the Green Business Centre, Energy Benchmarking Report, 2023. Several leading producers have already implemented large WHRS installations; for example, UltraTech Cement has deployed systems with around 121 MW of waste heat recovery capacity, reducing carbon emissions by nearly 0.5 million tonnes annually according to the Energy Alternatives India Case Study, 2024.
Integration of AFR
The integration of Alternative Fuels and Raw Materials (AFR) is another critical dimension of cement plant modernisation. AFR refers to the use of industrial waste, biomass, refuse-derived fuel (RDF), and other non-fossil materials as substitutes for conventional fuels such as coal and petcoke. Increasing the use of AFR helps reduce fossil fuel consumption while simultaneously addressing waste management challenges. According to the NITI Aayog Decarbonisation Roadmap, 2026, scaling the use of RDF and other alternative fuels could enable the sector to achieve thermal substitution rates of around 20 per cent in the coming decades.
However, integrating AFR requires significant plant modifications and operational adjustments. Waste-derived fuels often have inconsistent calorific values, higher moisture content, and heterogeneous physical properties compared to traditional fuels. As a result, modern plants invest in advanced fuel preparation systems, dedicated feeding equipment, and automated dosing technologies to ensure stable kiln operation. These upgrades allow plants to maintain consistent clinker quality while increasing the share of alternative fuels in their energy mix.
Digitalisation and smart plant operations
Digitalisation is rapidly transforming cement plant operations by enabling data-driven decision-making and predictive maintenance. Industry 4.0 technologies such as IoT sensors, artificial intelligence (AI), and advanced analytics are now used to monitor equipment performance, optimise process parameters, and anticipate maintenance requirements. These digital tools enable plant operators to detect early signs of equipment failure, minimise unplanned downtime, and improve operational efficiency. Predictive maintenance systems, for example, analyse vibration, temperature, and acoustic signals from rotating equipment to identify potential faults
before they escalate into major breakdowns. Digital twins and integrated control systems further allow operators to simulate plant performance under different scenarios and optimise production strategies. Such technologies are becoming increasingly important as cement plants operate at larger scales and higher levels of process complexity.
Maheshwari also adds, “Plant modernisation is also increasingly central to the global competitiveness of Indian cement manufacturers. As cost pressures rise across energy, logistics and regulatory compliance, modern plants offer the structural efficiency required to operate reliably and competitively over the long term. Technologies such as AI-driven Advanced Process Control (APC) integrated with real-time data systems are emerging as essential investments for the future. These platforms use predictive algorithms, machine learning and live process inputs to optimise kiln, mill and utility operations with greater precision than traditional control systems. By continuously analysing variations in feed chemistry, temperature profiles, energy demand and equipment behaviour, APC enables stable operations, lower specific energy consumption, reduced emissions and improved product consistency. As regulatory expectations tighten and plants pursue higher efficiency with lower carbon intensity, AI-enabled APC will play a crucial role in strengthening automation, enhancing decision-making and ensuring long-term operational resilience.”
Modern material handling and logistics
Material handling systems play a critical role in ensuring smooth plant operations and efficient logistics. Modern cement plants rely on advanced conveying systems, automated stockyards, and digital dispatch platforms to manage the movement of raw materials, clinker, and finished cement. Long-distance belt conveyors and pipe conveyors are increasingly replacing truck-based transport between quarries and plants, reducing fuel consumption, dust emissions, and operational costs. Automated stacker-reclaimers ensure consistent blending of raw materials,
which improves kiln stability and clinker quality. Meanwhile, advanced packing and dispatch systems equipped with high-speed rotary packers and robotic palletisers enhance throughput and reduce manual labour. These technologies allow cement plants to optimise logistics efficiency while supporting higher production capacities.
Emission control and environmental compliance
Environmental compliance has become a central focus of cement plant modernisation as regulators and investors place greater emphasis on sustainability performance. Modern plants deploy advanced emission control technologies such as high-efficiency bag filters, electrostatic precipitators, and selective non-catalytic reduction systems to reduce particulate matter and nitrogen oxide emissions.
Sine Bogh Skaarup, Vice President, Head of Green Innovation and R&D, Fuller Technologies says, “One of our key focus areas is decarbonisation. We help cement producers reduce CO2 and overall carbon emissions. We offer alternative fuel solutions and calcined clay technologies to enable the production of LC3 cement, which play a significant role in decarbonising the cement industry. By combining alternative fuels and calcined clay solutions, CO2 emissions can be reduced by up to 50 per cent, making this a highly impactful approach for sustainable cement production.”
Continuous emission monitoring systems are increasingly used to track environmental performance in real time and ensure compliance with regulatory standards. In addition to air pollution control, cement companies are also investing in water recycling systems, renewable energy integration, and carbon reduction initiatives. These measures are essential for aligning the sector with national climate goals and improving the environmental footprint of
cement manufacturing.
Economic benefits and future outlook
Beyond environmental and operational advantages, cement plant modernisation also delivers significant economic benefits. Energy efficiency improvements, digital process optimisation, and advanced material handling systems reduce operating costs and improve asset utilisation. Waste heat recovery and alternative fuels help lower fuel expenditure and reduce exposure to volatile fossil fuel markets. As the industry expands capacity to meet growing demand, modernised plants are better positioned to achieve higher productivity and maintain profitability. The long-term outlook for the sector remains positive, with India expected to continue large-scale infrastructure investments in roads, housing, railways, and urban development.
Milan R Trivedi, Vice President – Projects, Prod & QC, MR, Shree Digvijay Cement, says, “The main focus in case of modernisation projects drives through the investment decision, which is mainly based on IRR and impact on overall efficiency improvement, cost optimisation and improvement in reliability. However, there are certain modernisation, which has high impact on environmental impact, statutory requirements, etc. has higher priority irrespective of ROI or payback period.”
“The energy efficiency and reliability investment projects generally provide fast return on investment whereas strategic, digitalisation and environmental investment projects provide long term and compounded benefits. Typical modernisation investment projects are decided with IRR of about > 20 per cent, payback period of typically 2-3 years for fast-track projects,” he adds.
In this context, modernisation will remain a key strategic priority for cement manufacturers seeking to maintain competitiveness in an increasingly sustainability-focused market.
Conclusion
The modernisation of cement plants is no longer a purely technical upgrade but a strategic transformation that reshapes how the industry operates. As India’s cement sector expands capacity toward the next growth cycle, improvements in energy efficiency, digitalisation, alternative fuels and advanced logistics will determine the competitiveness of individual plants. Modern technologies allow producers to operate at higher productivity levels while simultaneously reducing energy consumption and emissions intensity.
Looking ahead, the pace of technological adoption will play a decisive role in shaping the future of
the cement industry. Companies that successfully integrate modern equipment, digital systems, and sustainable production practices will be better positioned to meet rising infrastructure demand while aligning with global climate commitments. In this evolving landscape, plant modernisation stands as the cornerstone of both operational excellence and environmental responsibility.
- Kanika Mathur
Cement Excellence Redefined!
SEW-EURODRIVE India Opens Drive Technology Centre in Chennai
JSW Cement Begins Production At Nagaur Plant In North India
JSW Cement Starts Production At Nagaur Plant In North India
JSW Cement Forays Into North India With Nagaur Plant
Cement Excellence Redefined!
SEW-EURODRIVE India Opens Drive Technology Centre in Chennai
JSW Cement Begins Production At Nagaur Plant In North India
JSW Cement Starts Production At Nagaur Plant In North India


