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|Title:||Future of lignite resources: a life cycle analysis|
|Citation:||Environmental Science and Pollution Research, 2016; 23(24):24796-24807|
|Qingsong Wang, Wei Liu, Xueliang Yuan, Xiaoning Zheng, Jian Zuo|
|Abstract:||Lignite is a low-quality energy source which accounts for 13 % of China's coal reserves. It is imperative to improve the quality of lignite for large-scale utilization. To further explore and analyze the influence of various key processes on the environment and economic costs, a lignite drying and compression technology is evaluated using an integrated approach of life cycle assessment and life cycle costs. Results showed that lignite mining, direct air emissions, and electricity consumption have most significant impacts on the environment. An integrated evaluation of life cycle assessment and life cycle costs showed that the most significant contributor to the environmental impacts and economic costs was the lignite mining process. The impact of transportation and wastewater treatment process on the environment and economic costs was small enough to be ignored. Critical factors were identified for reducing the environmental and economic impacts of lignite drying and compression technology. These findings provide useful inputs for both industrial practice and policy making for exploitation, processing, and utilization of lignite resources.|
|Keywords:||Lignite drying compression technology; life cycle assessment; life cycle cost; environmental impact assessment|
|Rights:||© Springer-Verlag Berlin Heidelberg 2016|
|Appears in Collections:||Geology & Geophysics publications|
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