公开(公告)号：US11299446B2

公开(公告)日：2022-04-12

申请号：US17121894

申请日：2020-12-15

Applicant: Arkema France

Inventor： Abdelatif Baba-Ahmed ,  Bertrand Collier ,  Dominique Deur-Bert ,  Laurent Wendlinger

IPC: C07C21/18 ,  C07C19/08 ,  C07C19/10 ,  C07C19/03 ,  C07C17/386 ,  C07C17/383 ,  C07C17/38 ,  C09K5/04

Abstract: The invention relates to a method for producing and purifying 2,3,3,3-tetrafluoro-1-propene using a first composition comprising 2,3,3,3-tetrafluoro-1-propene, 3,3,3-trifluoropropene (1243zf), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), said method comprising the steps of: (a) bringing said first composition into contact with at least one organic extraction agent in order to form a second composition; (b) extractive distilaation of said second composition in order to form (i) a third composition comprising said organic extraction agent, 3,3,3-trifluoropropene (1243zf), and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), and (ii) a stream comprising the 2,3,3,3-tetrafluoro-1-propene; and (c) recovery and separation of said third composition in order to form a stream comprising said organic extraction agent and a stream comprising 3,3,3-trifluoropropene (1243zf) and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E).

公开(公告)号：US11192839B2

公开(公告)日：2021-12-07

申请号：US16973192

申请日：2019-06-06

Applicant: ARKEMA FRANCE

Inventor： Bertrand Collier ,  Dominique Deur-Bert ,  Anne Pigamo ,  Audrey Riehl ,  Laurent Wendlinger

IPC: C07C17/25 ,  C07C17/35 ,  B01J19/02 ,  C07C17/20

Abstract: The present invention relates to a process for producing 2-chloro-3,3,3-trifluoropropene, comprising the steps: i) providing a stream A comprising at least one chlorinated compound selected from the group consisting of 2,3-dichloro-1,1,1-trifluoropropane, 1,1,1,2,3-pentachloropropane, 1,1,2,3-tetrachloropropene and 2,3,3,3-tetrachloropropene; and ii) in an adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing said stream A into contact, in the presence or absence of a catalyst, with HF in order to produce a stream B comprising 2-chloro-3,3,3-trifluoropropene, characterized in that the temperature at the inlet of the fixed bed of said adiabatic reactor is between 300° C. and 400° C. and the longitudinal temperature difference between the inlet of the fixed bed and the outlet of the fixed bed of said reactor is less than 20° C.

公开(公告)号：US11136282B2

公开(公告)日：2021-10-05

申请号：US16973462

申请日：2019-06-06

Applicant: ARKEMA FRANCE

Inventor： Bertrand Collier ,  Dominique Deur-Bert ,  Anne Pigamo ,  Audrey Riehl ,  Laurent Wendlinger

IPC: C07C17/20 ,  B01J19/24 ,  C07C21/04 ,  C07C21/18 ,  B01J19/00 ,  C07C17/269

Abstract: The present invention relates to a process for producing 2,3,3,3-tetrafluoropropene, comprising the steps: i) providing a stream A comprising at least one starting compound selected from the group consisting of 2-chloro-3,3,3-trifluoropropene and 2,3-dichloro-1,1,1-trifluoropropane; and ii) in an adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing said stream A into contact, in the presence or absence of a catalyst, with HF in order to produce a stream B comprising 2,3,3,3-tetrafluoropropene, characterized in that the temperature at the inlet of the fixed bed of said adiabatic reactor is between 300° C. and 400° C. and the longitudinal temperature difference between the inlet of the fixed bed and the outlet of the fixed bed of said reactor is less than 20° C.

公开(公告)号：US10435341B2

公开(公告)日：2019-10-08

申请号：US16063301

申请日：2016-12-14

Applicant: Arkema France

Inventor： Abdelatif Baba-Ahmed ,  Bertrand Collier ,  Dominique Deur-Bert ,  Irène Emery ,  Laurent Wendlinger

IPC: C07C17/386 ,  C07C21/18 ,  C07C19/08 ,  C07C17/25 ,  C09K5/04

Abstract: The invention relates to a method for purifying 2,3,3,3-tetrafluoro-1-propene (1234yf) using a first composition comprising 2,3,3,3-tetrafluoro-1-propene, 1,1,1,2,2-pentafluoropropane (245cb) and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), said method comprising the steps of: (a) bringing said first composition into contact with at least one organic extraction agent in order to form a second composition; (b) extractive distillation of said second composition in order to form a third composition comprising said organic extraction agent and trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E), and a stream comprising the 2,3,3,3-tetrafluoro-1-propene and the 1,1,1,2,2-pentafluoropropane (245cb); and (c) recovery and separation of said third composition in order to form a stream comprising said organic extraction agent and a stream comprising the trans-1,3,3,3-tetrafluoro-1-propene (1234ze-E). The invention also relates to a method for producing 2,3,3,3-tetrafluoro-1-propene.

公开(公告)号：US10239805B2

公开(公告)日：2019-03-26

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

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：US10207971B2

公开(公告)日：2019-02-19

申请号：US15518605

申请日：2015-10-07

Applicant: Arkema France

Inventor： Dominique Deur-Bert ,  Laurent Wendlinger ,  Bertrand Collier

IPC: C07C19/01 ,  C07C17/20 ,  C07C17/25

Abstract: The invention relates to a composition comprising at least 99% by weight of 1,1,1,2,3-pentachloropropane, and comprising at least one compound chosen from a list of additional compounds consisting of trichloropropanes, tetrachloropropanes, pentachloropropanes other than 1,1,1,2,3-pentachloropropane, hexachloropropanes, heptachloropropanes, dichloropropenes, trichloropropenes, tetrachloropropenes, pentachloropropenes and hexachloropropene, said compound being present in the composition in a weight content of less than or equal to 500 ppm.The invention also relates to the use of this composition for manufacturing 2,3,3,3-tetrafluoropropene.

公开(公告)号：US09255045B2

公开(公告)日：2016-02-09

申请号：US14153500

申请日：2014-01-13

Applicant: ARKEMA FRANCE

Inventor： Anne Pigamo ,  John Wismer ,  Bertrand Collier ,  Philippe Bonnet

IPC: C07C17/20 ,  C07C17/25 ,  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 1,1,3,3 -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.

Abstract translation: 用于生产E-1-氯-3,3,3-三氟丙烯的生产方法，该方法包括至少一个阶段，其中1,1,3,3-四氯丙烯与液相中的无水氢氟酸反应， 不含催化剂，HF / 1,1,3,3-四氯丙烯摩尔比在3和20（含）之间，在50℃至150℃之间的温度下，绝对压力为1至20 酒吧包含