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mto前脱丙烷分离流程模拟及优化
Authors
刘岑凡
康昊源
+6 more
曹新波
王勇
王维
谢国山
赵梦
陈昇
Publication date
1 January 2019
Publisher
Abstract
甲醇制烯烃(MTO)分离流程的性能直接影响目标产品质量和整体收益。早期MTO深冷分离流程复杂、能耗高,已逐渐被现有中冷油吸收分离流程所取代。通过流程模拟,本文对比考察了几种已工业应用的MTO前脱丙烷分离流程。结果表明,现有MTO前脱丙烷分离流程主要差异在于脱丙烷系统和脱甲烷系统;脱丙烷系统中采用高、低压脱丙烷塔,较凝液汽提塔+脱丙烷塔型式可节省能耗;脱甲烷系统中采用预切割-油吸收双塔或油吸收-汽提双段单塔型式,较单脱甲烷塔型式可节省丙烷吸收剂用量(约29%)。现有流程都存在吸收剂循环回路过长导致循环内各塔操作负荷和设备投资增大问题。由此,提出的一种吸收剂短回路MTO前脱丙烷分离流程,可在不增加能耗的基础上,降低塔设备投资
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
See this paper in CORE
Go to the repository landing page
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oai:ir.ipe.ac.cn:122111/35963
Last time updated on 05/12/2019
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ipe.ac.cn:122111/35961
Last time updated on 05/12/2019
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ipe.ac.cn:122111/44101
Last time updated on 11/04/2021