Environmental impact of cement production: detail of the different processes and cement plant variability evaluation |
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| Authors: | C Chen G Habert Y Bouzidi A Jullien |
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| Institution: | 1. Université Paris-Est, Laboratoire Central des Ponts et Chaussées, 58 Bd Lefebvre, 75732 Paris Cedex 15, France;2. UTT, Institut Charles Delaunay, FRE CNRS 2848, laboratoire CREIDD, 12 rue Marie Curie, BP 2060, 10010 Troyes, France;3. Laboratoire Central des Ponts et Chaussées/DDGC, Route de Bouaye, BP 4129 44341 Bouguenais, France;1. College of Civil Engineering, Hunan University, Changsha 410082, China;2. College of Civil Engineering, Chongqing Jiaotong University, Chongqing 400000, China;3. Engineeing Division, New York University Abu Dhabi, Abu Dhabi, P.O. Box 129188, United Arab Emirates;4. International Institute for Nanocomposites Manufacturing, University of Warwick, CV4 7AL, UK;5. School of Materials Science and Engineering, Henan Polytechnic University, 454003 Jiaozuo, China;1. State Key Laboratory of Silicate Materials for Architecture, Wuhan University of Technology, Wuhan 430070, China;2. State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China;3. WUT-UC Berkeley Joint Laboratory on Concrete Science and Technology, Wuhan 430070, China;4. School of Material Science and Engineering, Wuhan University of Technology, Wuhan 430070, China;1. Department of Management and Engineering, Division of Environmental Technology and Management, Linköping University, Linköping, Sweden;2. CEMEX Research Group AG, Switzerland;1. Institute of Geographic Sciences and Nature Resources Research (IGSNRR), CAS, 11A Datun Road, Chaoyang District, Beijing 100101, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. School of Economics and Management, China University of Geosciences, Wuhan 430074, China;4. Institute of Policy and Management, Chinese Academy of Sciences, Beijing 100190, China;1. Okan University, Department of Civil Engineering, Tuzla Campus, 34959 Akfirat-Tuzla, Istanbul, Turkey;2. Akcansa Cimento San. ve Tic. A.?., 34900 B. Cekmece, Istanbul, Turkey |
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| Abstract: | This study evaluates the environmental impact of the cement production and its variations between different cement plants, using Life Cycle Impact Assessment. For that purpose, details of the cement production processes are investigated in order to show the respective part of raw materials preparation and clinker production using environmental impacts calculated with CML01 indicators. For the kiln emission data, a European pollutant emission register for French intensive industries is used to quantify the variability of indicators between cement plants. For the CML01 indicators that are controlled by kiln emissions, some of them (i.e. global warming, photochemical oxidation) show variations between cement plants between 20 and 30%, as for other (i.e. acidification, eutrophication, terrestrial ecotoxicity) variations are greater than 40% due to the lack of accurate measurements on both pollutant content and annual flow. Finally, a normalisation, using Western Europe yearly emissions is performed and permits to highlight among all the CML01 indicators which ones are the main impacts for the cement production. Abiotic depletion, global warming, acidification and marine ecotoxicity are the four identified impacts. |
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