摘要
介绍了组合气化工艺技术生产煤制天然气的工艺流程,对各种硫回收工艺技术进行了对比研究,筛选出适合煤制天然气项目的硫回收工艺技术。在分析组合气化技术多股酸性气特点的基础上,提出了酸性气预处理+两级常规克劳斯+氨法脱硫的硫回收工艺技术方案。
The process flow of combined gasification process of producing coal-based synthetic natural gas is introduced, comparative study is carried out of various kinds of sulfur recovery process technologies, and the sulfur recovery process which is suitable for coal-based synthetic natural gas project is selected through screening. Based on analysis results of the features of combined gasification process which has multi-stream of acidic gas, the sulfur recovery process scheme, i. e., acidic gas pretreatment ＋ two-stage conventional Claus ＋ ammonia process of desulfurization, is put forward.
作者
孙天宇
方林木
沈玉双
SUN Tianyu FANG Linmu SHEN Yushuang(ZhunDong Energy ChemiCal Industry of Zhejiang Energy Co., Ltd., Qitai 831800, China)
出处
《化肥工业》
CAS
2017年第5期31-34,69,共5页
Chemical Fertilizer Industry
关键词
组合气化
煤制天然气
硫回收
酸性气
combined gasification
coal-based synthetic natural gas
sulfur recovery
acidic gas
