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We burn hundreds of tonnes of agro waste

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Hari Mohan Bangur, Managing Director, Shree Cement, talks about the efforts they are putting in to reduce carbon emissions, utilise alternative fuels and raw materials and embrace cutting-edge technology to enhance efficiency.

Tell us about the manufacturing capacity of your organisation and the various types of cement manufactured.
Our manufacturing capacity in India is 57 million tonnes (MT) and we manufacture four types of cements, namely, Ordinary Portland Cement (OPC), Portland Pozzolana Cement (PPC), composite cement and in a small fractional quantity, slag cement.

What are the key steps taken to reduce carbon emissions?
To reduce carbon emission, we have established a waste heat recovery system and we also utilise solar power and wind power as a source of energy in our plants. Of our entire consumption, 60 per cent comes from the waste heat recovery plants.
Up to the stage of clinker production, our carbon footprint is the lowest in the world.

What are the major alternative fuels and raw materials used in your organisation’s manufacturing process?
The major raw material used for manufacturing of cement is limestone at our plants. There is not a lot of variation done in the use of alternative materials for cement manufacturing.
However, if we consider alternative fuels, Shree Cement was the first to use pet coke, which in today’s time is not an alternative fuel. We use a small quantity of Refuse Derived Fuel (RDF) and more quantities of agro waste as an alternative fuel. We burn hundreds of tonnes of agro waste as an alternative fuel in our plants. These agro wastes include waste from sugarcane factories, rice husk, saw dust, we utilise all kinds of agro waste as alternative fuel in our kilns.
Our plants are based in and around the NCR region in India where use of fossil fuel is prohibited for use as an effort to protect the environment. So, we modified our machinery to become compatible with agro waste as a fuel. The availability of agro waste is possible as our plants across India are located approximately 150 km to 200 km away from agricultural lands.

As part of the Net Zero goal, what are the major steps taken and what has been achieved so far?
I believe it is very difficult to achieve net zero because in the cement industry; the manufacturing process is such that there will be carbon emission. Even if there is use of 100 per cent alternative energy for the production of cement, there will still be emission. Therefore, achieving net zero is difficult to achieve in totality. However, we do take pride in being one of the organisations with the lowest carbon emission in the world.
We are committed to the reduction of carbon emission and we are always adapting new technologies that can help us achieve this goal.

What role does technology play in bringing efficiency to your plants?
Technology and digitalisation have improved the reporting and analysis of our plants. It helps
us get real time knowledge of the plant health and makes us aware of any upcoming issues, for which preemptive actions can be taken, reducing the downtime of the plants.
With older methods any measurement would be taken a couple of hours later and if there were inaccuracies or defects in the functions, efficiency for those hours would be wasted. Real-time reporting helps us attend to the slightest of inefficiencies and we don’t allow it to settle, leading to higher productivity.
With advancement of technology, cement plants are achieving efficiency in processes like grinding and clinkerisation. We function with a dry process today, which is a complete change from what it was 25 years ago. Technology is bringing about change in machine efficiency, manpower efficiency and power efficiency. Small steps are being taken by the industry to make improvements in their processes with time.

How do you foresee change in cement manufacturing in the near future?
The cement industry will be growing at the rate of 7 per cent to 8 per cent, this is what India needs. Earlier the bases were small and now the production capacity exceeds 430 million tonnes. In the next 5 years, we will be needing approximately 150 million tonnes cement production to meet the demand of the country and for that at least 200 million tonnes of production capacity will be needed to be installed at 75 per cent utilisation.
This is a huge requirement, and whatever new instalment the industry puts in, it will be absorbed in the demand of the rising urbanisation and construction of the nation.

  • Kanika Mathur

Concrete

Cement Makers Reaffirm Commitment to Sustainable Growth

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World Environment Day spotlight on innovation and circularity

On World Environment Day, the Indian cement industry reiterated its commitment to supporting India’s climate ambitions through sustainable manufacturing, resource efficiency and the adoption of cleaner technologies.

The Cement Manufacturers’ Association (CMA) said the sector remains aligned with the Government of India’s Net Zero commitments and is accelerating efforts to reduce its environmental footprint while supporting the country’s infrastructure and development agenda.

Parth Jindal, President, CMA and Managing Director, JSW Cement, said the industry is increasingly adopting cleaner technologies, improving energy efficiency and expanding the use of alternative fuels and raw materials. He also highlighted the growing importance of circular economy practices, where industrial by-products and waste streams from one sector are utilised as resources in another.

“The Indian Cement Industry is aligned to the Government’s commitments on carbon mitigation and is accelerating the adoption of cleaner technologies, resource efficiency and circular economy practices while actively exploring the potential of Carbon Capture, Utilisation and Storage (CCUS) as a critical pathway for deep decarbonisation,” said Jindal.

He added that coprocessing industrial waste and by-products helps conserve natural resources, reduce disposal requirements and lower the environmental footprint across multiple sectors.

According to Jindal, sustainability is no longer limited to manufacturing processes but is increasingly influencing investment decisions, innovation strategies and long-term growth plans within the industry.

Echoing similar views, Dr Raghavpat Singhania, Vice President, CMA and Managing Director, JK Cement, said sustainable development extends beyond emissions reduction and must also focus on responsible resource utilisation and waste minimisation.

“Sustainability in the built environment cannot be measured by emissions alone. It is equally about how efficiently we use resources, how effectively we minimise waste and how responsibly we create the infrastructure that will serve future generations,” said Singhania.

He noted that the cement industry is advancing its sustainability agenda through greater resource efficiency, increased circularity, technological innovation and continuous improvements in manufacturing practices. As a key contributor to India’s infrastructure development, the sector has a critical role to play in balancing economic growth with environmental responsibility.

On the occasion of World Environment Day, industry leaders reaffirmed their commitment to supporting India’s climate goals while delivering the materials required for resilient, durable and sustainable infrastructure.

 

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Concrete

Building a Greener Future Together

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Environmental sustainability requires immediate action, not just long-term commitments and discussions. Recycling, circular economy practices, and technology-driven waste management can help industries reduce environmental impact while supporting sustainable growth.

Author: Jignesh Kundaria, Director and CEO, Fornnax Technology

World Environment Day serves as an important reminder that environmental sustainability can no longer remain confined to discussions, reports, or long-term commitments. The environmental challenges facing the world today demand immediate, measurable, and collective action. Across industries and communities, waste generation continues to outpace our ability to process it responsibly, placing increasing pressure on ecosystems, natural resources, public health, and the well-being of future generations.

One of the most significant shifts required today is a change in how society perceives waste. Rather than being viewed as a material to be discarded, waste must be recognised as a valuable resource that can contribute to both economic growth and environmental protection when managed through the right technologies and systems. This mindset forms the foundation of the circular economy model that countries across the world are increasingly adopting to reduce landfill dependence, recover valuable materials, and create more sustainable industrial ecosystems.

India has made meaningful progress in strengthening awareness around sustainability, recycling, and environmental responsibility over the past decade. Significant efforts are being made to formalise the recycling sector through improved infrastructure, technology adoption, policy implementation, and broader stakeholder participation. These developments are creating a stronger foundation for responsible waste management and resource recovery across the country.

However, achieving long-term environmental impact requires collaboration from all stakeholders. Industries, policymakers, technology providers, and communities must work together with greater accountability to strengthen recycling ecosystems, encourage responsible waste management practices, and create sustainable outcomes through consistent execution rather than temporary interventions.

As someone closely associated with the recycling industry, I firmly believe that technology will play a decisive role in addressing future environmental challenges. Advanced recycling systems have the potential to recover valuable resources, reduce pollution, minimise landfill burdens, and conserve energy, creating a more sustainable future for generations to come. This belief is deeply reflected in Fornnax’s motto, “Committed to Create a Green Future,” which embodies our commitment to building long-term environmental value through innovation and responsible action.

At the same time, technology alone cannot deliver meaningful change. Real progress requires intent, awareness, participation, and a shared sense of responsibility. Sustainable development can only be achieved when innovation is supported by collective action and a genuine commitment to environmental stewardship.

On this World Environment Day, let us move beyond conversations and take meaningful steps towards creating a cleaner, greener, and more sustainable planet. By embracing innovation, strengthening recycling ecosystems, and acting responsibly today, we can create lasting environmental impact and secure a better future for generations to come.

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Concrete

JK Lakshmi Advances LC3 Cement Expansion

Company highlights commercial production and research partnerships

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The meeting reviewed progress in limestone calcined clay cement (LC3) technology and its commercial adoption in India’s cement sector, focusing on low-carbon alternatives to conventional binders. JK Lakshmi Cement noted that limestone calcined clay cement can reduce carbon dioxide emissions by up to 40 per cent compared with conventional cement and said this reduction supports industry decarbonisation. The company highlighted that it was among the first two cement manufacturers in India to move LC3 into commercial production after the Bureau of Indian Standards approved the technology as a cement standard.

Vinita Singhania said the transition of LC3 from research to commercial production reflected collaboration between industry, academia and international institutions. Maya Tissafi acknowledged JK Lakshmi Cement’s role in advancing LC3 adoption in India and its contribution in taking the technology from laboratory trials to commercial implementation. Both representatives underlined the growing relevance of sustainable construction materials as India expands infrastructure and urban development.

The meeting explored continued collaboration with Swiss research institutions such as EPFL, EMPA and ETH Zurich alongside Indian academic partners and development organisations. JK Lakshmi Cement has been associated with the LC3 initiative since 2014 and worked with EPFL, IIT Delhi, IIT Madras, Development Alternatives and Technology and Action for Rural Advancement. The company conducted one of the earliest industrial trials of LC3 and recently announced commercial production of Green Pro LC3 cement from its Jaykaypuram plant in Rajasthan.

India remains the world’s second-largest cement producer and expansion of infrastructure, urbanisation and housing demand continue to support long-term sector growth, increasing interest in low-carbon technologies. The company reported an annual turnover of more than Rupees (Rs) 60 bn and current cement capacity of about 18 million (mn) tonnes (t) per annum, with a target of reaching 30 million (mn) tonnes (t) by 2030. Apart from grey cement, the company also makes ready-mix concrete, gypsum plaster, wall putty, primers, adhesives and fly ash blocks, and both sides concluded on the need for continued collaboration to develop sustainable construction solutions.

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