发明授权
US09334207B2 Integrated process to coproduce trans-1-chloro-3,3,3-trifluoropropene, trans-1,3,3,3-tetrafluoropropene, and 1,1,1,3,3-pentafluoropropane
有权
共同生产反式-1-氯-3,3,3-三氟丙烯,反式-1,3,3,3-四氟丙烯和1,1,1,3,3-五氟丙烷的综合方法
- 专利标题: Integrated process to coproduce trans-1-chloro-3,3,3-trifluoropropene, trans-1,3,3,3-tetrafluoropropene, and 1,1,1,3,3-pentafluoropropane
- 专利标题(中): 共同生产反式-1-氯-3,3,3-三氟丙烯,反式-1,3,3,3-四氟丙烯和1,1,1,3,3-五氟丙烷的综合方法
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申请号: US13219831申请日: 2011-08-29
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公开(公告)号: US09334207B2公开(公告)日: 2016-05-10
- 发明人: Konstantin A. Pokrovski , Daniel C. Merkel , Haiyou Wang , Hsueh Sung Tung , Ian Shankland
- 申请人: Konstantin A. Pokrovski , Daniel C. Merkel , Haiyou Wang , Hsueh Sung Tung , Ian Shankland
- 申请人地址: US NJ Morris Plains
- 专利权人: Honeywell International Inc.
- 当前专利权人: Honeywell International Inc.
- 当前专利权人地址: US NJ Morris Plains
- 代理商 Bruce O. Bradford
- 主分类号: C07C17/00
- IPC分类号: C07C17/00 ; C07C17/25 ; C01B7/07 ; C07C17/087 ; C07C17/20 ; C07C17/383 ; C07C21/18
摘要:
Disclosed is an integrated manufacturing process to co-produce (E)1-chloro-3,3,3-trifluoropropene, (E)1,3,3,3-tetrafluoropropene, and 1,1,1,3,3-pentafluoro-propane starting from a single chlorinated hydrocarbon feed stock, 240fa. The process includes a combined liquid or vapor phase reaction/purification operation which directly produces (E)1-chloro-3,3,3-trifluoropropene (1233zd(E)) from 240fa. In the second liquid phase fluorination reactor 1233zd(E) is contacted with HF in the presence of catalyst to produce 1,1,1,3,3-pentafluoropropane (245fa) with high conversion and selectivity. A third reactor is used for dehydrofluorination of 245fa to produce (E)1,3,3,3-tetrafluoropropene (1234ze(E)) by contacting in the liquid phase with a caustic solution or in the vapor phase using a dehydrofluorination catalyst. This operation may be followed by one or more purification processes to recover the 1234ze(E) product.
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