摘要
设计了一种用浅冷油吸收技术分离丙烷脱氢反应气的方案(方案一),并在方案一的基础上引入膜分离技术预先分离出丙烷脱氢反应气中的氢气(方案二),借助VMGSim流程模拟软件对两种工艺方案进行计算,考察了两种分离方案的产品产量、收率及操作条件和能耗对比。实验结果表明,两种方案得到的产品丙烯、丙烷的纯度基本一致。方案一在综合能耗上较高,吸收剂的用量较多,方案二多了一股氢气产品,在综合投资、能耗、经济效益等方面,方案二优于方案一。
The cold oil absorption technology is adopted to separate propylene from the gas mixture of propane dehydrogenation reaction（Scheme Ⅰ ）. The membrane separation technology is used to preseparate hydrogen from the mixture（Scheme Ⅱ ） on the basis of Scheme Ⅰ. Product output, yield, operation condition and energy consumption in the two schemes are investigated by the VMGSim software. Simulation results reveal that the purity of propylene and propane is basically the same in these two schemes. Beyond that, SchemeⅠ has larger absorbent consumption as well as higher product yield whereas Scheme II consumes less energy but brings out an extra product of hydrogen. Compared with Scheme I, Scheme II is better by considering the combined effects of investment, energy consumption and economic benefit.
出处
《石油化工》
CAS
CSCD
北大核心
2017年第9期1174-1178,共5页
Petrochemical Technology
关键词
丙烷脱氢
分离工艺
浅冷油吸收技术
膜分离
propane dehydrogenation
separation process
shallow-cool oil-absorption technology
membrane separation
