化工进展

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海上浮式液化天然气脱酸气技术

唐建峰1,张 春2,郭 清1,李玉星1,林日亿1,喻西崇3   

  1. 1中国石油大学(华东)储建学院,山东 青岛 266555;2中石化管道储运公司华东管道设计研究院,江苏 徐州 221008;3中海油研究中心,北京 100027
  • 出版日期:2011-10-05 发布日期:2011-10-05

Offshore floating LNG acid gas removal process technology

TANG Jianfeng1,ZHANG Chun2,GUO Qing1,LI Yuxing1,LIN Riyi1,YU Xichong3   

  1. 1China University of Petroleum,East China,Qingdao 266555,Shandong,China;2East China Pipeline Design and Research Institute of Sinopec Pipeline Storage and Transportation Company,Xuzhou 221008,Jiangsu,China;3CNOOC Research Center,Beijing 100027,China
  • Online:2011-10-05 Published:2011-10-05

摘要:

借鉴国内外陆上及海上脱酸气技术经验,结合一海上示范气田气源及海况条件,综合比较了几种常用脱酸气方法,确定选用MDEA/DEA混合胺液脱酸气工艺。对工艺中的塔设备进行选型,初步确定设备关键工艺参数。采用化工模拟软件HYSYS完成脱酸气工艺模拟,选取合适的评价指标,分析关键参数对工艺运行的影响,提出各关键参数推荐范围。通过本文分析,形成浮式LNG脱酸气技术研究方法,可为海上天然气脱酸气技术的研究提供一定的借鉴。

Abstract:

Based on the experience of onshore and offshore acid gas removal process technology at home and abroadthe conventional methods are summarized and compared according to the gas source and the sea conditions of an offshore gas field. MDEA and DEA mixed solvent method is chosen for the floating acid gas removal technology. The model of columns as the main equipments are selectedand the key process parameters are initially determined. With the chemical simulation software HYSYSthe simulation of process is completedand suitable process indexes are chosen. Effects on the flow of key parameters are analyzed. The recommended ranges of key parameters are given. The research method of acid gas removal technology of floating LNG is builtand it can give some reference for the research of offshore acid gas removal technology.

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