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VOL. 10, ISSUE 1 (2026)
Impact of dolochar on reducing fossil fuel dependency in Portland cement clinker production
Authors
Ankur Vishwakarma, Samit Kumar, Dinesh Kumar Mishra, Awanish Kumar Patel, Ashish Sohgaura
Abstract
The cement industry is one of the largest
consumers of fossil fuels and a major contributor to global carbon dioxide
emissions. The search for alternative fuels derived from industrial waste has
gained significant attention to improve sustainability in clinker production.
Dolochar, a solid waste by-product generated during sponge iron production in
rotary kilns, contains appreciable amounts of fixed carbon and calorific value,
making it a potential alternative fuel in cement manufacturing. This study investigates
the feasibility of using dolochar as a partial replacement for conventional
fossil fuels in Portland cement clinker production. Experimental trials were
conducted using varying proportions of dolochar blended with conventional
fuels, and their effects on clinker quality, fuel efficiency, and emission
characteristics were evaluated. The results indicate that dolochar can
successfully replace a portion of fossil fuels without adversely affecting
clinker mineralogy or cement performance. The utilization of dolochar
contributes to reduced fossil fuel consumption, waste valorization, and lower
overall environmental impact, supporting sustainable cement manufacturing
practices.
Pages:17-20
How to cite this article:
Ankur Vishwakarma, Samit Kumar, Dinesh Kumar Mishra, Awanish Kumar Patel, Ashish Sohgaura "Impact of dolochar on reducing fossil fuel dependency in Portland cement clinker production". International Journal of Chemistry Studies, Vol 10, Issue 1, 2026, Pages 17-20
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