使用N-甲酰吗啉和聚乙二醇二甲醚溶剂分离H2S和CO2流程模拟比较

doi:10.11949/j.issn.0438-1157.20170463

化工学报 ›› 2017, Vol. 68 ›› Issue (S1): 218-224.DOI: 10.11949/j.issn.0438-1157.20170463

使用N-甲酰吗啉和聚乙二醇二甲醚溶剂分离H₂S和CO₂流程模拟比较

朱林, 艾珍, 王大军, 王伟东, 金鑫, 丁亮, 许光文

西南化工研究设计院有限公司国家碳一化学工程技术研究中心, 工业排放气综合利用国家重点实验室, 四川成都 610225

收稿日期:2017-04-24 修回日期:2017-06-12 出版日期:2017-08-31 发布日期:2017-08-31
通讯作者: 朱林,zhulin@swrchem.com
基金资助:
国家重点基础研究发展计划项目（2014CB744303）。

Simulation and comparison of H₂S and CO₂ separation processes using N-formyl morpholine and polyethylene glycol dimethyl ether solvent

ZHU Lin, AI Zhen, WANG Dajun, WANG Weidong, JIN Xin, DING Liang, XU Guangwen

State Key Laboratory of Industrial Vent Gas Reuse, National Engineering Research Center for C1 Chemistry, Southwest Research & Design Institute of Chemical Industry, Chengdu 610225, Sichuan, China

Received:2017-04-24 Revised:2017-06-12 Online:2017-08-31 Published:2017-08-31
Supported by:
supported by the National Basic Research Program of China (2014CB744303).

摘要/Abstract

摘要：

研究了N-甲酰吗啉作为高浓度酸性气体处理溶剂的可行性。使用PC-SAFT方程拟合了酸性气体CO₂和H₂S在N-甲酰吗啉物理溶剂中溶解的参数，并与聚乙二醇二甲醚溶剂进行了比较。在此基础上，利用通用化工流程模拟软件，设计使用上述两种溶剂提浓高分离酸性气体中的H₂S并简单比较了两种溶剂工艺的主要操作能耗。在流程模拟的结果上来看，相对而言，N-甲酰吗啉在高酸气分离中应用有一定的优势，具有工业应用价值。

关键词: N-甲酰吗啉, 聚乙二醇二甲醚, 硫化氢, 二氧化碳, PC-SAFT方程

Abstract:

The feasibility of using N>-formylmorpholine as solvent for high concentration acid gas treatment was studied. PC-SAFT equation was used to fit the parameters of acid gas CO₂ and H₂S in the physical solvent of N-formylmorpholine,and compared with polyethylene glycol dimethyl ether solvent. On this basis,using the general chemical process simulation software,designed to use the above mentioned two solvents to extract high concentration of H₂S in the acid gas and simply compare the main operating energy consumption of the two solvents. On the basis of the results of flow simulation,N-formylmorpholine solvent has some advantages in the application of high acid gas separation process,and has industrial application value.

Key words: N-formylmorpholine, polyethylene glycol dimethyl ether, hydrogen sulfide, carbon dioxide, PC-SAFT equation

中图分类号:

TQ028.1

朱林, 艾珍, 王大军, 王伟东, 金鑫, 丁亮, 许光文. 使用N-甲酰吗啉和聚乙二醇二甲醚溶剂分离H₂S和CO₂流程模拟比较[J]. 化工学报, 2017, 68(S1): 218-224.

ZHU Lin, AI Zhen, WANG Dajun, WANG Weidong, JIN Xin, DING Liang, XU Guangwen. Simulation and comparison of H₂S and CO₂ separation processes using N-formyl morpholine and polyethylene glycol dimethyl ether solvent[J]. CIESC Journal, 2017, 68(S1): 218-224.

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使用N-甲酰吗啉和聚乙二醇二甲醚溶剂分离H₂S和CO₂流程模拟比较

Simulation and comparison of H₂S and CO₂ separation processes using N-formyl morpholine and polyethylene glycol dimethyl ether solvent

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