Title:
ハイドロフルオロオレフィン流を精製および乾燥する方法
Document Type and Number:
Japanese Patent JP7276672
Kind Code:
B2
Abstract:
The invention concerns a method for purifying and drying a hydrofluoroolefin stream comprising a hydrofluoroolefin, water and impurities composed of halogenated carbon compounds, characterised in that said stream is brought into contact with an adsorbent and in that the purification and the drying processes are carried out simultaneously in one and the same step, said hydrofluoroolefin being a compound of formula (I): CX1X2═CX3CX4X5X6 in which each Xi (i ranging from 1 to 6) represents, independently of one another, a hydrogen atom or a chlorine or fluorine atom, it being understood that at least one of the Xi's represents a fluorine atom.
Inventors:
Anne, Pigamo
Dure-Veil, Dominique
Werenger, Lauren
Dure-Veil, Dominique
Werenger, Lauren
Application Number:
JP2021121049A
Publication Date:
May 18, 2023
Filing Date:
July 21, 2021
Export Citation:
Assignee:
Arkema France
International Classes:
C07C17/389; C07C21/18
Domestic Patent References:
| JP2012001495A | ||||
| JP2013159562A | ||||
| JP2013241390A |
Attorney, Agent or Firm:
Takashi Koshiba
Hiroshi Koshiba
Hiroshi Koshiba