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- Title
某炼油厂氢气和轻烃综合回收工艺分析.
- Authors
王园园; 郭忠森; 周仕鑫; 谢 磊; 常林杉
- Abstract
To improve the utilization efficiency of hydrogen and light hydrocarbon in refineries, the recovery process of hydrogen and light hydrocarbon in refineries is studied. For hydrogen recovery from refinery gas, the membrane separation and pressure swing adsorption separation technology can be coupled according to the different concentration of hydrogen, the hydrogen recovery rate can reach 93. 26%, the purity is 98. 7%. Light hydrocarbon will be recovered from the refinery gas after recovering hydrogen. The recovery effects and economic benefits of low temperature condensation, organic vapor membrane separation and oil absorption technologies are compared. The results show that the light hydrocarbon recovery rate of organic vapor membrane separation technology is the highest, which is 90. 32%, and the maximum economic benefit can reach 62. 86 million yuan per year; The economic benefit of light hydrocarbon recovery by oil absorption technology is the highest, which is 64. 56 million yuan per year under the optimal operation, and the recovery rate is 87. 75%. In practical application, light hydrocarbon recovery process can be selected according to the actual situation of the refinery.
- Subjects
MEMBRANE separation; SEPARATION (Technology); LOW temperatures; ECONOMIC recovery; HYDROCARBONS
- Publication
Petroleum Refinery Engineering, 2022, Vol 52, Issue 9, p28
- ISSN
1002-106X
- Publication type
Article