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Environmental benefits of underground coal gasification
Shu-qin Liu1, Jun-hua Liu, Li Yu
1China University of Mining & Technology, Beijing 100083, China. liusq@mail.cumtb.edu.cn
Journal of Environmental Sciences (China)
|June 6, 2002
Abstract:
Environmental benefits of underground coal gasification are evaluated. The results showed that through underground coal gasification, gangue discharge is eliminated, sulfur emission is reduced, and the amount of ash, mercury, and tar discharge are decreased. Moreover, effect of underground gasification on underground water is analyzed and CO2 disposal method is put forward.