Cement Manufacturers Association

19 New Developments in Sustainable Cement Manufacturing Abstract After water, concrete is the most widely used material used by mankind. Average consumption of 14 billion cu.m. of Concrete happens worldwide. India is the second largest cement producer in the world and by 2030, the Indian cement industry is expected to reach 660 MT due to the rapid development of infrastructure. With a CAGR of 8.2% globally, China tops the cement production followed by India. Cement production contributes to 7% of global CO 2 emissions. It won’t be a fair choice to just focus on development by compromising the resources and needs of future generations. It is important to focus on the long term goal and expansion without causing disturbance to the environment and utilizing the finite resources conservatively. Thus, sustainable development is a need of the hour which focuses on creating a place where people and planet both thrive and grow together harmoniously. It is a pressing priority to adopt Sustainable approaches in the manufacturing processes of Cement by cutting down the carbon emissions. This article is focused on various sustainability approaches and resources that can be incorporated for manufacturing of cement to achieve net zero emissions. Keywords: Blended Cement, OPC, GGBS, Fly ash, PSC, PPC, SCM, GHG, WHRS, CCUS Dr. L R Manjunatha Vice President, JSW Cement Limited Ms. Gayatri Joshi ASM, JSW Cement Limited Introduction As a key component of concrete, cement is an integral part of human life. Concrete and thereby cement finds place in all the constructions like housing, tall buildings, highways, metro, railways, dams, skyscrapers, airports etc. GDP growth is directly linked to the Infrastructure growth and expansion of Construction industry. The concrete and cement industry is a key part of the construction sector – which accounts for 13% of global GDP. Cement and Steel are major contributors to pollution as a result of Carbon dioxide and Green House gas emissions. Details are attached in Table 1 Sr. no. Industry Green House Gas (GHG) emissions share in Industrial sector (%) GHG emissions share in overall (%) 1 Cement 31.2 7.4 2 Iron and Steel 28.4 6.7 3 Chemical 8.1 1.9 4 Other Industries 32.3 7.6 Table 1: Percentage of Industry wise pollution