Liu Shu-qin, Liu Jun-hua, Yu Li
China University of Mining & Technology, Beijing 100083, China.
J Environ Sci (China). 2002 Apr;14(2):284-8.
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.
对煤炭地下气化的环境效益进行了评估。结果表明，通过煤炭地下气化，消除了煤矸石排放，减少了硫排放，降低了灰分、汞和焦油的排放量。此外，分析了地下气化对地下水的影响，并提出了二氧化碳处置方法。
