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Title:
脱フッ化水素処理によるE-1,3,3,3-テトラフルオロプロペン(HFC-1234ze)の製造方法
Document Type and Number:
Japanese Patent JP7295194
Kind Code:
B2
Abstract:
A method of producing a fluoropropene of formula CF3CH=CHF, comprising contacting a mixture of 1,1,1,3,3-pentafluoropropane and Z-1,3,3,3-tetrafluoropropene in the gas phase with a catalyst comprising at least one catalyst selected from the group consisting of fluorinated Cr2O3 or Cr/Ni on fluoride alumina, in the presence of an oxygen containing gas, to form a mixture comprising Z-1,3,3,3-tetrafluoropropane, E-1,3,3,3-tetrafluoropropene, hydrogen fluoride, and optionally unreacted 1,1,1,3,3-pentafluoropropane, separating the E-1,3,3,3-tetrafluoropropene from the Z-isomer and any unreacted 1,1,1,3,3-pentafluoropropane, if present, and recovering said E-1,3,3,3-tetrafluoropropene.

Inventors:
Shen Penn
Mario Joseph Nappa
Application Number:
JP2021165504A
Publication Date:
June 20, 2023
Filing Date:
October 07, 2021
Export Citation:
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Assignee:
The Chemours Company FC Limited Liability Company
International Classes:
C07C17/25; C07C21/18
Domestic Patent References:
JP2013540718A
JP2008069147A
JP2013525487A
JP2009513699A
JP2008150356A
Attorney, Agent or Firm:
Patent Attorney Tani / Abe Patent Office