Quantifying CO2 emissions from China’s cement industry

Weiguo Shen, Liu Cao, Qiu Li, Wensheng Zhang, Guiming Wang and Chaochao Li

Renewable and Sustainable Energy Reviews, 2015, vol. 50, issue C, 1004-1012

Abstract: Cement is the most widely used material and contributes around 8% to the global anthropogenic CO2 emissions. In 2011 China produced 2.085Gt cement (60% of the cement production of the world) but the carbon emission from cement industry still not accurately assessed. The LCA (Life Cycle Assessment) method was employed to thoroughly estimate China’s cement industry CO2 emissions, and results indicated that the carbon emissions of Portland cement clinker, Portland cement, and average cement in China are lower than developed countries. In 2011, the direct CO2 emission factor and manufactured CO2 emission factor of China’s average cement manufacture is just 0.4778t/t and 0.5450t/t, respectively, and the direct CO2 emission and manufacture CO2 emission from China’s cement industry is 0.9983 and 1.1364Gt, respectively, from the life cycle view, carbon emission of cement industry and the neat carbon emission from cement industry is just 0.8553 and 0.6386Gt respectively, the share of six carbon emission sources is calculated. The RMCO2, FDCO2, EDCO2, total TDCO2 and CSCO2 counts 53.8%, 28.3%, 7.94% and 0.86%, respectively, 29.64% of those carbon emission can be sink by carbonization during 100 years after it cast. The policies to close down outdated facilities and improve recovery the waste heat significantly reduced carbon emission from cement industry, through public, industrial, and technological policies. As the biggest cement producer and consumer in the world, a holistic approach is proposed to slash the carbon emission of cement industry.

Keywords: China; Cement industry; Carbon emission; LCA; Emission reduction (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (16)

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DOI: 10.1016/j.rser.2015.05.031

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