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Energy optimization in cement manufacturing Reprint from ABB Review 2/2007 Cement producers are large consumers of thermal and electrical energy, which on a global level are only available at steadily increasing costs. Efforts to reduce demands by using higher efﬁ ciency equip-ment and substituting fuels and raw materials to lower production costs
The initial production step in portland cement manufacturing is raw materials acquisition. Calcium, the element of highest concentration in portland cement, is obtained from a variety of calcareous raw materials, including limestone, chalk, marl, sea shells, aragonite, and an impure
High concentration of cement production may be attributable to high capital costs and long gestation periods in cement industry. Access to limestone reserves (principal raw material for the manufacture of cement) also acts as a significant entry barrier for newer companies. Regionally, Asia contributed about 67% to world production and included
Green cement is a cementitious material that meets or exceeds the functional performance capabilities of ordinary Portland cement by incorporating and optimizing recycled materials, thereby reducing consumption of natural raw materials, water, and energy, resulting in a more sustainable construction material.
Cement is the essential “glue” in concrete, a fundamental building material for society’s infrastructure around the world. Concrete is second only to water in total volumes consumed annually by society. But producing cement also co-produces CO 2 , leading the cement industry to produce approximately 5% of current global man-made CO 2
environmental costs of the cement component of concrete. The ASTM C-595 standard for blended cement was amended in 2012 to allow for the addition of up to 15% limestone in some blends. Research continued toward developing cements that require less energy to manufacture than portland cement, and (or) that use more benign raw materials. The cement industry
World Cement Association exhorts industry to adopt new technologies faster to combat climate change Tuesday 03 July 2018 11:35 At the World Cement Association’s Global Climate Change Forum last week delegates were told that current technology is insufficient for the delivery of CO2 savings required by the Paris Agreement.