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Environmental benefits of underground coal gasification |
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| Authors: | Liu Shu-qin Liu Jun-hua Yu Li |
| Institution: | China University of Mining & Technology, Beijing 100083, China |
| 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 CO 2 disposal method is put forward. |
| Keywords: | environmental benefits coal underground coal gasification |
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