期刊
JOURNAL OF CLEANER PRODUCTION
卷 189, 期 -, 页码 432-441出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2018.04.112
关键词
Life cycle assessment; Life cycle costing; Life cycle inventory; Ceramic tile; Process-based analysis
资金
- Thirteen-Five national key research and development program [2017YFF0211605, 2017YFF0206702]
- National Natural Science Foundation of China [71671105]
Ceramic tiles are important building materials, but their production consumes large amounts of energy and raw materials and causes serious pollution. In this study, a cost combined life cycle assessment is conducted to quantify the environmental and economic impacts of ceramic tile production from cradle to gate and identify the key substances and processes to eliminate production issues. Results show that marine ecotoxicity, climate change, terrestrial ecotoxicity, human toxicity, and fossil depletion are the key environmental impact categories. Key substances include chlorine in soil, sulfur dioxide in air, and carbon dioxide in air. The total economic cost is $2.77/m(2), and this cost mainly originates from raw materials. Inorganic chemicals used as raw materials account for general environmental (12.9%) and economic (39.6%) burdens. Application of alternative electricity generation types, such as hydropower as a replacement for coal power, can reduce the impacts on climate change and marine ecotoxicity by 98.4% and 96.4%, respectively, during the electricity generation stage. An environmental and economic win win situation can be achieved by reducing the use of inorganic chemicals, coal, and electricity and optimizing the transport of raw materials. (C) 2018 Elsevier Ltd. All rights reserved.
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