Evolution and projection of CO2 emissions for China's cement industry from 1980 to 2020
Gao, Tianming1,2; Shen, Lei2,3; Shen, Ming4; Liu, Litao2; Chen, Fengnan5; Gao, Li6,7
Corresponding AuthorShen, Lei(shenl@igsnrr.ac.cn)
AbstractPrevious studies have estimated emissions from China's cement industry for some specific periods, but a trend analysis of historical emissions has not yet been carried out. Based on changes in clinker quality and developments in energy-saving technologies of different clinker kilns, we calculated carbon dioxide (CO2) emissions due to cement production in China for the continuous period from 1980 to 2014. Our analysis showed that total CO2 emissions from cement production in China were 1270.55 Mt in 2014, which is 18 times higher than that in 1980. There was a slight reduction in the share of emissions from fuel consumption, while the percentage of process emissions rose at a stable rate. The cement emission factor fell sharply from 852.12 kg/t in 1980 to 513.15 kg/t in 2014. Two scenarios were considered to predict future emissions, namely a baseline scenario (BS) and a best practice scenario (BPS). We found that CO2 emissions could be reduced to 856.62957.91 Mt in 2020, which corresponds to a cement output of 1.86 billion tons. This implies that, by 2020, clinker and cement emission factors will fall to 789.11-840.618 kg/t and 460.55-513.15 kg/t, respectively. By 2020, energy efficiency improvements will be the main driver of emission reductions. Our projections also indicated that emission reductions resulting from process improvements would only account for 1.48% of total direct emissions, even under the BPS scenario. Thus, we suggest that the development of alternative industrial byproducts and fuels, substituting for natural resources, should be a main focus of future innovation efforts toward a sustainable cement industry in China.
KeywordCO2 emissions Cement industry Emission factor China
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[41501590] ; National Natural Science Foundation of China[41271547] ; National Key Research and Development Program of China[2016YFA0602802] ; China Postdoctoral Science Foundation[2015T80125] ; China Postdoctoral Science Foundation[2014M550819]
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; China Postdoctoral Science Foundation
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
WOS IDWOS:000401492900038
Citation statistics
Cited Times:29[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorShen, Lei
Affiliation1.Chinese Acad Geol Sci, IMR, 26 Baiwanzhuang St, Beijing 100037, Peoples R China
2.Chinese Acad Sci, IGSNRR, 11A Datun Rd, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Wuhan Inst Dev Strategy, Wuhan 430017, Peoples R China
5.State Power Econ Res Inst, Beijing 102209, Peoples R China
6.China Univ Geosci, Sch Econ & Management, Wuhan 430074, Peoples R China
7.Chinese Acad Sci, IPM, 15 ZhongGuanCunBeiYiTiao Alley, Beijing 100190, Peoples R China
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Gao, Tianming,Shen, Lei,Shen, Ming,et al. Evolution and projection of CO2 emissions for China's cement industry from 1980 to 2020[J]. RENEWABLE & SUSTAINABLE ENERGY REVIEWS,2017,74:522-537.
APA Gao, Tianming,Shen, Lei,Shen, Ming,Liu, Litao,Chen, Fengnan,&Gao, Li.(2017).Evolution and projection of CO2 emissions for China's cement industry from 1980 to 2020.RENEWABLE & SUSTAINABLE ENERGY REVIEWS,74,522-537.
MLA Gao, Tianming,et al."Evolution and projection of CO2 emissions for China's cement industry from 1980 to 2020".RENEWABLE & SUSTAINABLE ENERGY REVIEWS 74(2017):522-537.
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