Economy & Market
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Published
8 years agoon
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admin
Greening of industry is a method to attain sustainable economic growth and promote sustainable economies. It includes policymaking, improved industrial production processes and resource-efficient productivity.
The United Nations Industrial Development Organization (UNIDO) can be given credit of coining the term Green Industries Initiatives. A few years back, UNIDO coined the concept ‘Green Industry’ to place sustainable industrial development in the context of new global sustainable development challenges. Green industry means economies striving for a more sustainable pathway of growth, by undertaking green public investments and implementing public policy initiatives that encourage environmentally-responsible private investments.
Green Industry Initiatives create awareness, knowledge and capacities about what is sustainable. UNIDO works with different governments to support industrial institutions that in turn provide assistance to enterprises and entrepreneurs in all aspects relating to the greening of industry. As an organisation, UNIDO extends support for integrating corporate social responsibility, water management, energy and promotion of eco-friendly processes into the policy framework of an industry.
On the other hand, industrial pollution is generally referred to the undesirable outcome when factories emit harmful by-products and waste into the environment such as emissions to air or water bodies (water pollution), deposition on landfills etc. (land pollution) or emission of toxic chemicals into the atmosphere.
Earth’s atmosphere is a dynamic system of natural gases that are necessary to sustain life, and while it has a defence mechanisms to absorb small quantities of air pollutants, high levels of gases can cause ozone depletion and other problems for living organisms. The main sources of gaseous air pollutants are fuel combustion in stationary sources, such as coal-burning power plants, as well as emissions from automobiles. While these gases are not the only ones contributing to air pollution, they are regarded as dominant sources of this world-wide problem.Carbon oxides: Carbon monoxide (CO) is a poisonous gas, dangerous due to its lack of odour and colour that is released into the atmosphere with the incomplete combustion of fuels, such as coal, wood or other natural sources, as well as exhaust from automobiles. Carbon dioxide (CO2) is the greenhouse gas widely considered the main air pollutant in the earth’s atmosphere. Despite the fact that carbon dioxide is essential to support living organisms, it is considered a dangerous air pollutant caused by human activities such as deforestation and the burning of fossil fuels.
Responsible for more than half of the global warming trend, carbon dioxide restricts infrared radiation leaving the Earth’s surface, causing the "greenhouse effect."Nitrogen oxides: Nitrogen oxides (NOx) are air pollutants that contribute the most contaminants to the earth’s atmospheric. Like carbon oxides, vehicle emissions are a major source of nitrogen oxides, and these air pollutants are easily recognizable by the brown plume or haze that forms over areas with high concentrations of the gases. Nitrogen dioxide (NO2) is one of the most prominent and dangerous air pollutants, and this toxic gas is easily identifiable by its reddish-brown color and distinctive, sharp odour.Sulphur oxides: Sulphur oxides (SOx) are another group of gases polluting the earth’s atmosphere. Of particular concern is sulphur dioxide (SO2), one of the major components of smog and a primary cause of acid rain. While sulphur dioxide is naturally produced by erupting volcanoes, the combustion of sulphur-containing fuels such as petroleum oils and coal have caused this gas to become a dangerous air pollutant that is eating away at the Earth’s fragile atmosphere. Dangerous to both plants and animals, sulphur oxides can injure organic matter when deposited in high concentrations and cause respiratory problems by irritating air passages and lungs.
On November 8, 2017, Delhi earned the unenviable distinction of becoming the most polluted city on Earth. The pollution surged so high that some monitoring stations reported an Air Quality Index of 999, way above the upper limit of the worst category, hazardous. (An extra-sensitive air quality instrument at the US embassy got a reading of 1,010, as you can see in the chart).
The airborne particles and toxic chemicals that make up the smog had choked the 19 million residents of the metropolitan area, where merely breathing the air was, at its worst, like smoking 50 cigarettes in a day. Hospitals reported a 20 percent surge in patients with pollution-related illnesses, and doctors had declared a public health emergency.
We are bringing out a classic case before the readers just to point out that what reckless industrialisation can bring out. In the entire spectrum of pollutants, automobiles cause the highest pollution then comes the power generating plants and close to that is cement industry. Therefore it is pertinent that cement industry initiates green initiatives. Why to take green steps?
- Cement production is the third ranking producer of anthropogenic (man-made) CO2 in the world after transport and energy generation
- About 4 – 5 per cent of the worldwide total of CO2 emissions is caused by cement production
- CO2 is produced at two points during cement production:
- The first is as a by-product of burning of fossil fuels, primarily coal, to generate the heat necessary to drive the cement-making process. The second from the thermal decomposition of calcium carbonate in the process of producing cement clinker.
- CaCO3 (limestone) + heat -> CaO (lime) + CO2
- Production of one tonne of cement results in 780 kg of CO2
- Of the total CO2 output, 30 per cent derives from the use of energy and 70 per cent results from de-carbonation
Important to realise is that although 5 per cent of the worldwide generation of CO2 is due to cement production, that level of output also reflects the unique and universal importance of concrete throughout the construction industry.Measures adopted by cement
The emission regulations moved from 250 mg/Nm3 to 30 mg/Nm3 progressively on par with the global best practices. The cement Industry is continuously adapting to the latest air pollution control technologies like Electrostatic Precipitators, Bag Filters for achieving lower stack emissions of 30 mg/Nm3. Cement Industry installed Continuous Emission Monitoring Systems and Continuous ambient air quality monitoring stations for on line reporting dust emissions. The provisions of Air (Prevention and Control of Pollution) Act, 1981, National Ambient Air Quality Standards has accelerated the Cement Industry’s efforts to pursue their initiatives more vigorously.Measures to control of water pollution: Cement Industry installed Sewage Treatment Plants and Effluent Treatment Plants to treat this water and to reuse for dust suppression & gardening. It is also doing huge amount of rain water harvesting in their mined out pits. Corporates like ACC, Ambuja and Dalmia Bharat have taken steps at few of their plants to become water positive. Sustainable mining and biodiversity conservation: All captive mines operated by Cement Industry strictly adhere to mining, environmental norms laid by Indian Bureau of Mines, Ministry of Environment & Forest & Climate Control , State Pollution Control Board for eco-friendly mining and safety norms by Directorate General of Mines Safety (DGMS) for safe mining. All cement plant and mine sites complies with earmarking 33 per cent of total land area for the green belt development and afforestation. Wild Life Protection Act (WPA) 1972 is further augmenting the Cement Industry’s efforts in preserving the biodiversity with clear guidance. Hazardous waste management & co-processing:Cement industry generates very limited quantity of hazardous waste such as spent oils and lubricants, grease, etc., which are either co-processed in cement kilns or sold to authorised recyclers. The Hazardous Waste (Management, Handling and Transboundary Movement) Rules, 2008 & amendment 2010 gives a clear guidance to the Industry for safe management, handling and disposal of hazardous waste. Apart from this industry also co-process various waste materials generated by other industry. The kiln of a cement plant is the best suited for processing of waste in the most cost effective manner which none other system offers world over. Today rapid urbanisation has created several problems of disposing off waste either industrial or domestic. The stock of fossil fuels is depleting very fast, we have to look for another source of energy. Therefore processing of waste in cement kilns has vast potential in our country. The technology as such is quite proven in Europe and other advance countries. We need to adapt it to local conditions. TSR (Thermal Substitution Rate) is a per cent age replacement of conventional fuel and the number for some of the countries is as high as 60 per cent where as in our case it is at meagre 4 per cent.
Apart from the above, the cement industry has following various innovations towards the sustainable development. Equipment Innovation: Cement
Industry has taken various energy conservation activities throughout the cement manufacturing process. Some of the notable initiatives are as given are
as under:
- Advanced dry process kiln with energy efficient cooler with 6/7 stage pre heater
- Low NOX burners and low NOX calciners to reduce NOX from the kiln
- Energy-efficient grinding equipment like roller press and VRMs
- Energy efficient compressors, pumps, lighting, variable speed drives, fans and motors
- Process optimiser along with advanced energy management system, etc.,
Clinker factor improvement and natural resources conservation: Total cement grade limestone reserve available to meet the industry requirements is 89.86 billion tonne, which are expected to last only for another 40 years. Cement industry has carried out extensive research and development for substituting clinker and to absorbs huge quantities of industrial wastes like fly ash and slag. This not only helps in reduction in CO2 emission but also preserving natural resources like limestone and corrective materials.
Recycling of concrete as of date happens to be far stretched. Concrete mixture has the highest proportion of natural materials like stone chips, sand, water etc. If we are able to make use of used concrete we shall save our natural sources of sand and stones. Cement industry is expected to make investments in processing of used concrete which is not happening. With focus on infra development, the day is not far away when we shall be compelled to explore these options. With confidence we can say that Indian cement industry is on the right track though may be little late on few initiatives. The days ahead of us will see industry becoming greener.
Concrete
Dalmia Bharat Acquires Jaiprakash Associates Cement Assets for ₹2,850 Crore
Published
6 days agoon
May 25, 2026By
admin
Dalmia Cement executed a Business Transfer Agreement with Jaiprakash Associates and Adani Infra, to acquire 5.2 MnTPA of cement capacity across Madhya Pradesh and Uttar Pradesh.
Dalmia Cement (Bharat) announced on May 22, 2026 that it had signed a Business Transfer Agreement with Jaiprakash Associates Limited and Adani Infra (India) Limited for the acquisition of cement plants located at Rewa in Madhya Pradesh and Churk, Chunar and Sadwa in Uttar Pradesh. The deal was struck at an enterprise value of ₹2,850 crore and is expected to close within two weeks of execution.
The acquired assets from Jaiprakash Associates include 5.2 MnTPA of cement capacity and 3.3 MnTPA of clinker capacity. The package also covers 99 MW of thermal power capacity and railway sidings at Rewa, Chunar, and a common siding at Churk. This infrastructure gives the acquisition immediate operational utility beyond just production tonnage.
The transaction has a long backstory. Dalmia Cement had originally entered into a framework agreement with Jaiprakash Associates in December 2022, covering the sale of these business assets along with a long-term clinker supply arrangement. However, before the deal could be completed, Jaiprakash Associates was admitted to insolvency proceedings under the Insolvency and Bankruptcy Code. The earlier agreements could not be consummated as a result.
In an official statement, Puneet Dalmia, Managing Director & CEO, Dalmia Bharat, said, “I am very excited about addition of these assets in our portfolio. This serves as a great strategic fit for Dalmia. It helps us move forward in our journey to be a pan India player and provide a strong head start to serve the high potential markets in Central region. I am optimistic that the expansion potential of these assets along with close proximity with Dalmia’s captive mines will help us create a capacity hub for the future”.
Following the approval of Adani Group’s resolution plan for Jaiprakash Associates under the IBC framework, Dalmia approached the new management to revive discussions. The fresh Business Transfer Agreement was executed to settle all pending disputes, legal proceedings, and arbitration matters arising from the original framework agreement with Jaiprakash Associates.
Expanding market reach
Dalmia added, “Our familiarity with these assets under the earlier tolling arrangement gives us a deep understanding of the facilities and helps us establish strong connect with channel partners and vendors. We believe that this will help us in faster ramp up of capacities and quicker inroads into the market. As we look forward, I am very confident that we will be able to leverage the strengths of Dalmia to operate these assets in a manner where we can maximise value creation for all our stakeholders.”
With the addition of these plants, Dalmia Bharat’s total installed cement capacity will rise to 54.7 MnTPA upon consummation. The company has further expansion projects underway at Belgaum, Pune, and Kadapa, which are expected to take overall capacity to 66.7 MnTPA by Q2 to Q3 FY28.
The Central India location of the Jaiprakash Associates plants gives Dalmia Bharat faster access to markets in Madhya Pradesh and Uttar Pradesh than a greenfield build would have allowed. The company also cited debottlenecking and brownfield expansion as near-term opportunities at the acquired sites. Dalmia Bharat said the assets were expected to contribute positively to EBITDA and overall returns, given the pricing environment in the region and the company’s cost structure.
Concrete
PROMECON introduces infrared-based tertiary air measurement system for cement kilns
Published
2 weeks agoon
May 20, 2026By
admin
The new solution promisescontinuous, real-time tertiary air flow measurement in cement plant operations.
PROMECON GmbH has launched the McON IR Compact, an infrared-based measuring system designed to deliver continuous, real-time tertiary air flow measurement in cement plant operations. The system addresses the longstanding process control challenge of accurate tertiary air monitoring under extreme kiln conditions. It uses patented infrared time-of-flight measurement technology that operates without calibration or maintenance intervention.
Precise tertiary air measurement is a critical requirement for stable rotary kiln operation. The McON IR Compact is engineered to function reliably at temperatures up to 1,200°C and in the presence of abrasive clinker dust. Its vector-based digital measurement architecture ensures that readings remain unaffected by swirl, dust deposits or drift. Due to these conditions conventional measurement systems in pyroprocess environments are often compromised.
The system is fully non-intrusive and requires no K-factors, recalibration or periodic readjustment, enabling years of uninterrupted operation. This design directly supports plant availability and reduces the maintenance overhead typically associated with process instrumentation in high-temperature zones.
PROMECON has deployed the McON IR Compact at multiple cement facilities, including Warta Cement in Poland. Plant operators report that the system has aided in identifying blockages, optimising purging cycles for gas burners, and supplying accurate flow data for AI-based process optimisation programmes. The practical outcomes include more stable kiln operation, improved process control, and earlier detection of process disturbances.
On the energy side, real-time tertiary air data enables reduction in induced draft fan load and helps flatten process oscillations across the pyroprocess. This translates to lower fuel and energy consumption, fewer unplanned shutdowns, and a measurable reduction in NOx peaks. This directly reflects on the downstream cost implications for plants operating SCR or SNCR systems for emissions compliance.
Concrete
Filtration Technology is Critical for Efficient Logistics
Published
2 weeks agoon
May 15, 2026By
admin
Niranjan Kirloskar, MD, Fleetguard Filters, makes the case that filtration technology, which has been long treated as a routine consumable, is in fact a strategic performance enabler across every stage of cement production and logistics.
India’s cement industry forms the core for infrastructure growth of the country. With an expected compound annual growth rate of six to eight per cent, India has secured its position as the second-largest cement producer globally. This growth is a result of the increasing demand across, resulting in capacity expansion. Consequently, cement manufacturers are now also focusing on running the factories as efficiently as possible to stay competitive and profitable.
While a large portion of focus still remains on production technologies and capacity utilisation, the hidden factor in profitability is the efficiency of cement logistics. The logistics alone account for nearly 30 per cent to 40 per cent of the total cost of cement, making efficiency in this segment a key lever for profitability and reliability.
In the midst of this complex and high-intensity ecosystem, filtration often remains one of the most underappreciated yet essential enablers of performance.
A demanding operational landscape
Cement production and logistics inherently operate in some of the harshest industrial environments. With processes such as quarrying, crushing, grinding, clinker production, and bulk material handling expose the machinery to constant high temperatures, heavy loads, and dust, often the silent destructive force for engines.
The ecosystem is abrasive, and often one with a high contamination index. These challenging conditions demand equipment such as the excavators, crushers, compressors, and transport vehicles to perform and perform efficiently. The continuous exposure to contamination across every aspect like air, fuel, lubrication, and even hydraulic systems causes long-term damage. Studies have also shown that 70 to 80 per cent of hydraulic system failures are directly linked to contamination, while primary cause of engine wear is inadequate air filtration.
For engines as heavy as these, even a minor contaminant has a cascading effect; reducing efficiency, performance and culminating to unplanned downtime. Particles as small as 5 to 10 microns, far smaller than a human hair (~70 microns), can cause significant damage to critical engine components. In an industry where margins are closely linked to operational efficiency, such disruptions can significantly affect both cost structures and delivery timelines.
Dust management: A persistent challenge
Dust is a natural by-product in cement operations. From drilling and blasting in the quarries to packing in plants, this fine particulate matter does occupy a large space in operations. Dust concentration levels in quarry and crushing zones often create extremely high particulate exposure for equipment. These fine particles, when enter the engines and critical systems, accelerates the wear and tear of the component, affecting directly the operational efficiency. Over time every block fall; engine performance declines, fuel consumption rises, and maintenance cycles shorten. In this case, effective air filtration is the natural first line of defence. Advanced filtration systems are designed to capture high volumes of particulate matter while maintaining consistent airflow, ensuring that engines and equipment operate under optimal conditions.
In high-dust applications, as in cement production, even the filtration systems are expected to sustain performance over extended periods without the need of frequent replacement. This becomes crucial in remote quarry locations where access to frequent maintenance may be limited.
Fluid cleanliness and system integrity
Beyond air filtration, fluid systems also play a crucial role for equipment reliability in cement operations. Fuel systems are required to remain free from contaminants for efficient working of combustion and injection protection. Additionally, lubrication systems also need to maintain the oil purity to reduce friction and prevent any premature wear of moving parts. The hydraulic systems, which are key to several heavy equipment operations, are especially sensitive to contamination.
If fine particles or water enters these systems, it can lead to reduced efficiency, erratic performance, and eventual failure of the system. Modern filtration systems are designed with high-efficiency media capable of removing extremely fine contaminants, with advanced fuel and oil filtration solutions filtering particles as small as two to five microns. Multi-stage filtration systems further ensure that fluid performance is maintained even under challenging operating conditions.
Another critical aspect of fuel systems is water separation. Removing moisture helps prevent corrosion, improves combustion efficiency and enhances overall engine reliability. Modern water separation technologies can achieve over 95 per cent efficiency in removing water from fuel systems.
Ensuring reliability across the value chain
Filtration plays a critical role across every stage of cement logistics:
• Quarry operations: Equipment operates in highly abrasive environments, requiring strong protection against dust ingress and hydraulic contamination.
• Processing units: Crushers, kilns, and grinding mills depend on clean lubrication and cooling systems to sustain continuous operations.
• Material handling systems: Pneumatic and mechanical systems rely on clean air and fluid systems for efficiency and reliability.
• Transportation networks: Bulk carriers and trucks must maintain engine health and fuel efficiency to ensure timely deliveries.
Across these operations, filtration plays a vital role; as it supports consistent equipment performance while reducing the risk of unexpected failures.
Effective filtration solutions can reduce unscheduled equipment failures by 30 to 50 per cent across heavy-duty operations.
Uptime as a strategic imperative
In cement manufacturing, uptime is currency. Downtime not only delays the production, but it also greatly impacts the supply commitments and logistics planning. With the right filtration systems, contaminants are kept at bay from entering the
critical systems, and they also significantly extend the service intervals.
Optimised filtration can extend service intervals by 20 to 40 per cent, reducing maintenance frequency while maintaining consistent performance across demanding operating conditions. Filtration systems designed for heavy-duty applications sustain efficiency throughout their lifecycle, ensuring reliable protection with minimal interruptions. This leads to improved equipment availability, lower maintenance costs, and more predictable operations, with well-maintained systems capable of achieving uptime levels of over 90 to 95 per cent in challenging cement environments.
Supporting emission and sustainability goals
With the rising environmental awareness, the cement industry too is aligning with the stricter norms and sustainability targets. In this scenario, the operational efficiency is directly linked to emission control.
Air and fuel systems that are clean enable
much more efficient combustion. They also reduce emissions from both the stationary equipment and transport fleets. Similarly, with a well-maintained fluid cleanliness, emission systems function better. Poor combustion due to contamination can increase emissions by 5 to 10 per cent, making clean systems critical for compliance.
Additionally, efficient and longer lasting filtration systems significantly reduce any waste generation and contribute to increased sustainable maintenance practices. Extended-life filtration solutions can reduce filter disposal and maintenance waste by 15 to 20 per cent. Smart and efficient filtration in this case plays an important role in meeting the both regulatory and environmental objectives within the industry.
Advancements in filtration technology
Over the years, there has been a significant evolution in the filtration technology to meet the modern industrial applications.
Key developments include:
• High-efficiency filtration media capable of capturing very fine particles without restricting flow
• Compact and integrated designs that combine multiple filtration functions
• Extended service life solutions that reduce replacement frequency and maintenance downtime
• Application-specific engineering tailored to different stages of cement operations
Modern multi-layer filtration media can improve dust-holding capacity by up to two to three times compared to conventional systems, while maintaining consistent performance. These advancements have transformed filtration from a basic maintenance component into a critical performance system.
Adapting to diverse operating conditions
The cement industry of India operates across diverse geographies. Spanning across regions with arid regions with higher dust levels, to the coastal areas with higher humidity, challenges of each region pose different threats to the engines. Modern filtration systems are thus tailored to address these unique challenges of each region.
Indian operating environments often range from 0°C to over 50°C, with some of the highest dust loads globally in mining zones.
Additionally, filtration technology can also be customised to variations which then align the system design with factors like dust load, temperature, and equipment usage patterns. Equipment utilisation levels in India are typically higher than global averages, making robust filtration even more critical. This approach ensures optimal performance and durability across different operational contexts.
Impact on total cost of ownership
Filtration has a direct and measurable impact on the total cost of ownership of equipment.
Effective filtration leads to:
• Lower wear and tear on critical components
• Reduced maintenance and repair costs
• Improved fuel efficiency
• Extended equipment life
• Higher operational uptime
Effective filtration can extend engine life by 20 to 30 per cent and reduce overall maintenance costs by 15 to 25 per cent over the equipment lifecycle. These benefits collectively enhance productivity and reduce lifecycle costs. Conversely, inadequate filtration can result in frequent breakdowns, increased maintenance expenditure, and reduced asset utilisation.
Building a more efficient cement ecosystem
With the rising demand across various sectors, the cement industry is expected to expand at an unprecedented rate. This growth is forcing the production to move towards a more efficient and resilient system of operations. This requires attention not only to production technologies but also to the supporting systems that enable consistent performance. Filtration must be viewed as a strategic investment rather than a routine consumable. By ensuring the cleanliness of air and fluids across systems, it supports reliability, efficiency, and sustainability.
The road ahead
The future of cement logistics will be shaped by increasing mechanisation, digital monitoring, and stricter environmental standards. The industry is also witnessing a shift towards predictive maintenance and condition monitoring, where filtration performance is increasingly integrated with real-time equipment diagnostics.
In this evolving landscape, the role of filtration will become even more critical. As equipment becomes more advanced and operating conditions more demanding, the need for precise contamination control will continue to grow. From quarry to construction site, filtration technology underpins the performance of every critical system. It enables equipment to operate efficiently, reduces operational risks, and supports the industry’s broader goals of growth and sustainability. In many ways, it is the unseen force that keeps the cement ecosystem moving, quietly ensuring that every link in the value chain performs as expected.
About the author
Niranjan Kirloskar, Managing Director, Fleetguard Filters, is focused on driving innovation, operational excellence, and long-term business growth through strategic and people-centric leadership. With a strong foundation in ethics and forward-thinking decision-making, he champions a culture of collaboration, accountability, and technological advancement.
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