公开(公告)号：US20200331826A1

公开(公告)日：2020-10-22

申请号：US16758097

申请日：2018-11-08

Applicant: Arkema France

Inventor： Bertrand COLLIER ,  Dominique DEUR-BERT ,  Anne PIGAMO ,  Laurent WENDLINGER

IPC: C07C17/25 ,  C07C17/20 ,  B01J23/26

Abstract: The present invention relates to a process for the production of 2,3,3,3-tetrafluoropropene comprising the stages: i) in a first reactor, bringing 2-chloro-3,3,3-trifluoropropene into contact with hydrofluoric acid in the gas phase in the presence of a catalyst, in order to produce a stream A comprising 2,3,3,3-tetrafluoropropene, HF and unreacted 2-chloro-3,3,3-trifluoropropene; and ii) in a second reactor, bringing hydrofluoric acid into contact, in the gas phase in the presence or absence of a catalyst, with at least one chlorinated compound selected from the group consisting of 1,1,1,2,3-pentachloropropane, 2,3-dichloro-1,1,1-trifluoropropane, 2,3,3,3-tetrachloropropene and 1,1,2,3-tetrachloropropene, in order to produce a stream B comprising 2-chloro-3,3,3-trifluoropropene, characterized in that the stream A obtained in stage i) feeds said second reactor used for stage ii); and in that the pressure at the inlet of said first reactor of stage i) is greater than the pressure at the inlet of said second reactor of stage ii).

公开(公告)号：US20190016653A1

公开(公告)日：2019-01-17

申请号：US16076810

申请日：2017-03-03

Applicant: Arkema France

Inventor： Abdelatif BABA-AHMED ,  Bertrand COLLIER ,  Dominique DEUR-BERT ,  Laurent WENDLINGER

IPC: C07C17/386 ,  C07C21/22 ,  C07C17/20 ,  B01D3/14

Abstract: The invention relates to an azeotropic or quasi-azeotropic composition comprising hydrochloric acid and trifluoropropyne. The invention also relates to a method for separating 2,3,3,3-tetrafluoropropene and trifluoropropyne from a composition A containing 2,3,3,3-tetrafluoropropene and trifluoropropyne, said method comprising the steps of bringing said composition A into contact with an inorganic compound in order to form a composition B; and distilling composition B in order to from a first flow B1 containing trifluoropropyne and the inorganic compound, and a second flow B2 containing 2,3,3,3-tetrafluoropropene.

公开(公告)号：US20180370881A1

公开(公告)日：2018-12-27

申请号：US16063304

申请日：2016-12-14

Applicant: Arkema France

Inventor： Abdelatif BABA-AHMED ,  Bertrand COLLIER ,  Dominique DEUR-BERT ,  Laurent WENDLINGER

IPC: C07C17/386 ,  C07C17/25

Abstract: The present invention concerns a method for producing for producing and purifying 2,3,3,3-tetrafluoro-1-propene (1234yf) from a first composition comprising 2,3,3,3-tetrafluoro-1-propene and chloromethane (40), said method comprising the steps of: (a) bringing said first composition into contact with at least one organic extractant in order to form a second composition; (b) extractive distillation of said second composition in order to form (i) a third composition comprising said organic extractant and chloromethane (40); and (ii) a stream comprising 2,3,3,3-tetrafluoro-1-propene (1234yf); (c) recovering and separating said third composition, preferably by distillation, in order to form a stream comprising said organic extractant and a stream comprising chloromethane (40).

公开(公告)号：US20160031773A1

公开(公告)日：2016-02-04

申请号：US14773961

申请日：2014-02-24

Applicant: ARKEMA FRANCE

Inventor： Philippe BONNET ,  Bertrand COLLIER ,  Dominique DEUR-BERT ,  Laurent WENDLINGER

IPC: C07C21/18 ,  C01B7/19

CPC classification number: C07C21/18 ,  C01B7/191 ,  C01B7/195 ,  C09K3/30 ,  C09K5/045

Abstract: An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 1,3,3,3-tetrafluoropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also, a preferred azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 1,3,3,3-tetrafluoropropene, and one or more compounds selected from among 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, 3,3,3-trifluoro-2-chloropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,1,3,3-pentafluoropropane, 1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro, 1,1,1,2-tetrafluoropropane.

Abstract translation: 包含氟化氢，1,3,3,3-四氟丙烯和一种或多种（氢）卤素 - 碳化合物的共沸或准共沸组合物，包括1至3个碳原子。 此外，优选的共沸或准共沸组合物包含氟化氢，1,3,3,3-四氟丙烯和一种或多种选自1,1,1,2,2-五氟丙烷，2,3,3,3-四氟丙烷， 3,3,3-三氟丙烯，3,3,3-三氟-2-氯丙烯，E-3,3,3-三氟-1-氯丙烯，三氟丙炔，1,1,1,3,3-四氟丙烯， 五氟丙烷，1,1,3,3-五氟丙烷，1,1,1,3,3-五氟丙烯，1,1,1,2,3-五氟丙烯和2-氯1,1,1,2-四氟丙烷。

公开(公告)号：US20220153665A1

公开(公告)日：2022-05-19

申请号：US17600179

申请日：2020-04-01

Applicant: ARKEMA FRANCE

Inventor： Emmanuel BOUSSARIE ,  Kevin HISLER ,  Anne PIGAMO ,  Bertrand COLLIER

IPC: C07C17/395 ,  C07C17/20

Abstract: The present invention relates to a process for purifying 1-chloro-3,3,3-trifluoropropene comprising the steps of: a) providing a stream comprising 1-chloro-3,3,3-trifluoropropene and at least one compound of formula HX wherein X is F or Cl; b) bringing the stream from step a) into contact with a solution A comprising at least one sulfite salt of formula Yn+mSO3 wherein Y is an alkali or alkaline-earth metal, n=1 or 2, and m=2 when n=1 or m=1 when n=2; in order to form a neutralized stream A1 comprising 1-chloro-3,3,3-trifluoropropene.

公开(公告)号：US20190002376A1

公开(公告)日：2019-01-03

申请号：US16064013

申请日：2016-12-14

Applicant: Arkema France

Inventor： Abdelatif BABA-AHMED ,  Bertrand COLLIER ,  Dominique DEUR-BERT ,  Laurent WENDLINGER

IPC: C07C17/386 ,  C07C17/25 ,  B01D3/40

CPC classification number: C07C17/386 ,  B01D3/40 ,  C07C17/25 ,  C09K5/045 ,  C09K2205/126 ,  C07C21/18

Abstract: The present invention concerns a method for purifying 2,3,3,3-tetrafluoro-1-propene (1234yf) from a first composition comprising 2,3,3,3-tetrafluoro-1-propene and at least one of the compounds chosen from the group consisting of 1,1-difluoroethane (152a), chloropentafluoroethane (115), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E) said method comprising the steps consisting of: a) bringing said first composition into contact with at least one organic extractant in order to form a second composition; b) extractive distillation of said second composition in order to form (i) a third composition comprising said organic extractant and said at least one of the compounds chosen from the group consisting of 1,1-difluoroethane (152a) chloropentafluoroethane (115), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E); and ii) a stream comprising 2,3,3,3-tetrafluoro-1-propene. The invention also concerns a method for producing and purifying 2,3,3,3-tetrafluoro-1-propene.

公开(公告)号：US20180370879A1

公开(公告)日：2018-12-27

申请号：US16063302

申请日：2016-12-14

Applicant: Arkema France

Inventor： Bertrand COLLIER ,  Dominique DEUR-BERT ,  Joaquin LACAMBRA ,  Laurent WENDLINGER

IPC: C07C17/383 ,  C07C17/25

CPC classification number: C07C17/383 ,  C07C17/206 ,  C07C17/25 ,  C07C21/18 ,  C07C19/08

Abstract: The invention relates to a process for producing 2,3,3,3-tetrafluoropropene performed using a starting composition, comprising the steps of placing the starting composition in contact with HF, in the presence of a catalyst, to produce a composition A comprising 2,3,3,3-tetrafluoropropene (1234yf), intermediate products B consisting of 2-chloro-3,3,3-trifluoropropene (1233xf), 1,1,1,2,2-pentafluoropropane (245cb), and side products C consisting of E-1-chloro-3,3,3-trifluoro-1-propene (1233zdE), trans-1,3,3,3-tetrafluoro-1-propene (1234zeE) and 1,1,1,3,3-pentafluoropropane (245fa); recovery of said composition A and purification thereof to form and recover a first stream comprising 2,3,3,3-tetrafluoropropene (1234yf) and one or more streams comprising 2-chloro-3,3,3-trifluoropropene (1233xf) and/or 1,1,1,2,2-pentafluoropropane (245cb); recycling into step a) of said one or more streams comprising 2-chloro-3,3,3-trifluoropropene (1233xf) and/or 1,1,1,2,2-pentafluoropropane (245cb).

公开(公告)号：US20180273451A1

公开(公告)日：2018-09-27

申请号：US15764127

申请日：2016-09-28

Applicant: Arkema France

Inventor： Bertrand COLLIER ,  Pierre-Marie SEDAT ,  Laurent WENDLINGER

IPC: C07C17/42 ,  C07C17/25

CPC classification number: C07C17/42 ,  C07C17/25 ,  C07C21/18

Abstract: The present invention relates to a composition comprising trifluoroethylene and 1,2,3,3,3-pentafluoropropene characterized that the weight ratio trifluoroethylene/1,2,3,3,3-pentafluoropropene is from 5/95 to 95/5.

公开(公告)号：US20180126348A1

公开(公告)日：2018-05-10

申请号：US15858005

申请日：2017-12-29

Applicant: ARKEMA FRANCE

Inventor： Philippe BONNET ,  Bertrand COLLIER ,  Dominique DEUR-BERT ,  Laurent WENDLINGER

IPC: B01F17/00 ,  H01B3/56 ,  C09K3/00 ,  C09G1/06 ,  C09K5/04 ,  C09K3/30 ,  C07C21/18 ,  C01B7/19 ,  B01D53/26

Abstract: An azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoro-2-chloropropene and one or more (hydro)halogen-carbon compounds including between 1 and 3 carbon atoms. Also an azeotropic or quasi-azeotropic composition including hydrogen fluoride, 3,3,3-trifluoro-2-chloropropene, and one or more compounds selected from among 1,3,3,3-tetrafluoropropene, 1,1,1,2,2-pentafluoropropane, 2,3,3,3-tetrafluoropropene, 3,3,3-trifluoropropene, E-3,3,3-trifluoro-1-chloropropene, trifluoropropyne, 1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropene, 1,1,1,2,3-pentafluoropropene and 2-chloro,1,1,1,2-1 tetrafluoropropane.

公开(公告)号：US20180093934A1

公开(公告)日：2018-04-05

申请号：US15809477

申请日：2017-11-10

Applicant: ARKEMA FRANCE

Inventor： Anne PIGAMO ,  John WISMER ,  Bertrand COLLIER ,  Philippe BONNET

IPC: C07C17/20 ,  C07C17/25 ,  C07C17/383 ,  C07C17/38 ,  C07C21/18

CPC classification number: C07C17/206 ,  C07B2200/09 ,  C07C17/25 ,  C07C17/38 ,  C07C17/383 ,  C07C21/18

Abstract: A production process for the production of E-1-chloro-3,3,3-trifluoropropene, the process including at least one stage during which 1,3,3,3-tetrachloropropene reacts with anhydrous hydrofluoric acid in the liquid phase, in the absence of a catalyst, with an HF/1,1,3,3- tetrachloropropene molar ratio between 3 and 20 inclusive, at a temperature between 50° C. and 150° C. inclusive and an absolute pressure of between 1 and 20 bar inclusive.