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Climate change and pollution are undeniable realities

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Björn Fahle, Technical Sales and Project Engineer, Westeria, in conversation with Kanika Mathur about the innovative use of alternative fuels and waste management solutions.

Westeria is at the forefront of sustainable solutions, transforming waste into alternative fuels for the cement industry. Through innovative machinery and fuel feeding systems, the company enables efficient waste management while promoting greener practices in cement production. Read on to know more about its endeavours in establishing a sustainable ecosystem.

How are you associated with the cement industry, and how do you help better the operations of cement manufacturers?
We operate in two key areas to support the cement industry. On one side, we focus on creating value from waste materials such as municipal solid waste (MSW) and legacy waste. We are helping to reduce the massive waste mountains that are a challenge in India. Our machinery facilitates the sorting, screening, and size reduction of waste to produce alternative fuels, which can be utilised in the cement calciner. This process plays a significant role in waste management while providing a sustainable energy source.
On the other side, we provide alternative fuel feeding lines to the cement industry, enabling the transportation of alternative fuels from the ground to the calciner, which is often located 40 to 50 meters high and up to 200 meters away. These efforts not only address waste management issues but also contribute to reducing carbon emissions. By decreasing the dependency on coal and substituting it with alternative fuels, we are helping the cement industry adopt greener practices. Alternative fuels have a lower calorific value compared to coke or pet coke, and their integration into operations plays a pivotal role in reducing the industry’s carbon footprint.

Speaking of alternative fuels, how do you customise your offerings to address evolving needs?
Most of our current requests revolve around legacy waste and municipal solid waste, as these are the primary challenges India faces. The massive amounts of daily MSW and the existing mountains of waste make this area our main focus. While the use of alternative fuels is gradually evolving, the immediate priority is managing and utilising waste effectively.
Additionally, our shredders are versatile and cater to various applications beyond MSW and legacy waste. For instance, we offer shredders for tiles, wood, and plastic, allowing us to support recycling efforts across multiple industries. By processing wooden logs, plastics, and other materials, we add value to these waste streams, enabling their reuse or recycling into alternative products. This approach reflects
our commitment to sustainability and innovation in waste management.

How do you support the cement industry in becoming more sustainable?
Sustainability is a critical concern for the cement industry, especially in the context of reducing CO2 emissions. India has made remarkable progress in achieving its 2030 carbon emission targets, and the cement sector has been a significant contributor to this effort. By integrating alternative fuels into their operations, cement producers can significantly lower their carbon footprint.
We also foresee advancements in green cement production, with materials such as clay coming into the picture. Our work helps the cement industry transition towards greener practices by promoting the use of alternative fuels and improving the efficiency of fuel feeding systems. Sustainability is no longer optional—it is imperative for long-term environmental and industrial health. By reducing coal consumption and utilising alternative raw materials, we are
steadily contributing to the industry’s shift toward sustainable operations.

What challenges do you face in collaborating with the cement industry?
There are two primary challenges we face in India. First, the type of waste available here is highly contaminated, making the preparation of refuse-derived fuel (RDF) much more labour-intensive compared to other Asian countries. The contamination levels of waste in India demand higher efforts for segregation and processing, which adds complexity to our operations.
Second, the maintenance of machinery poses a significant challenge. Indian workers often do not prioritise proper care and maintenance of expensive machinery. These machines require regular maintenance and proper handling to ensure their longevity and performance. However, the tendency to push materials through the machines without adequate maintenance can lead to wear and tear, reducing their lifespan and efficiency. Segregation of waste—separating
dry waste from wet waste—is another critical aspect that is often overlooked. Proper planning and maintenance are crucial to preserving the functionality of these machines.

What role does technology play in maintaining and operating your machinery?
The alternative fuel recycling (AFR) sector is still in its early stages and operates on an open circuit system. Unlike closed systems used in traditional cement processes, where input materials are well-defined and controlled, AFR operations deal with unpredictable and variable input. This lack of standardisation poses challenges in designing systems that can adapt to such variability.
Currently, cement producers are primarily focused on cement production rather than waste recycling. As a result, recycling machinery often receives less attention and care. This mindset needs to change for the successful integration of recycling into cement production. Advanced technologies and processes must be developed to handle variable inputs effectively and establish more sustainable systems.

What are your views on achieving net zero carbon emissions?
Achieving net zero carbon emissions is a gradual process that requires significant effort and commitment. Drawing from experiences in other Asian countries, such as China, we can see the transformative impact of government-led initiatives. Over the past decade, China has made substantial progress in recycling and pollution control through decisive action and enforcement. While India’s democratic system may take longer to implement large-scale changes, steady progress is possible with strong government support and public awareness.
Sustainability must become an integral part of daily life. Climate change and pollution are undeniable realities, and addressing these challenges requires collective action. Industries, governments, and individuals must align their efforts to create a sustainable future. The cement industry, given its substantial environmental impact, has a pivotal role to play in this transition. By embracing sustainable practices and technologies, we can move closer to a cleaner and greener future.

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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