期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2019
卷号：227
期号：4
页码：042022
DOI：10.1088/1755-1315/227/4/042022
出版社：IOP Publishing
摘要：There is a plentiful supply of coal in China. In order to ensure clean utilization of coal, a simplified technological flowsheet (coal gasification combined with CH4 reforming) is proposed and simulating the process with Aspen Plus in this paper. Through the simulation, the process is analyzed from the thermodynamic point of view. Meanwhile, The sensitivity analysis shows that the optimum temperature of the gasifier is 1400 °C, the optimum gasification pressure is 3.5 MPa, the optimum oxygen to coal ratio is 0.65, and the optimum water to natural gas ratio is 0.5. Under optimal process conditions, effective gas production increased by 2% and CO2 emissions decreased by 16.9%.
