公开(公告)号：US20170158586A1

公开(公告)日：2017-06-08

申请号：US15039294

申请日：2014-11-10

Applicant: Arkema France

Inventor： Bertrand COLLIER ,  Dominique DEUR-BERT ,  Joaquin LACAMBRA ,  Anne PIGAMO

IPC: C07C17/20 ,  B01D53/86 ,  B01D53/78 ,  C01B7/07 ,  B01D53/04

CPC classification number: C07C17/206 ,  B01D53/04 ,  B01D53/78 ,  B01D53/8662 ,  B01D53/869 ,  B01D2251/50 ,  B01D2251/502 ,  B01D2253/102 ,  B01D2253/106 ,  B01D2257/2047 ,  B01D2257/2066 ,  C01B7/0706 ,  C01B7/0718 ,  C01B7/0725 ,  C07C17/25 ,  C07C17/395 ,  Y02C20/30 ,  Y02P20/154 ,  C07C19/10 ,  C07C19/08

Abstract: The invention relates to a process for the treatment of a gas stream comprising hydrochloric acid, hydrofluoric acid and fluorinated/oxygenated compounds, in which the gas stream is successively subjected to: a stage of catalytic hydrolysis; a stage of washing with an acid solution; a stage of adsorption of impurities by active charcoal; a stage of adiabatic or isothermal absorption of the hydrochloric acid in an aqueous solution, making it possible to collect hydrochloric acid solution.

公开(公告)号：US20160115104A1

公开(公告)日：2016-04-28

申请号：US14987347

申请日：2016-01-04

Applicant: ARKEMA FRANCE

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

IPC: C07C17/20

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.

公开(公告)号：US20210261486A1

公开(公告)日：2021-08-26

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：US20210246091A1

公开(公告)日：2021-08-12

申请号：US16973253

申请日：2019-06-06

Applicant: ARKEMA FRANCE

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

IPC: C07C21/18 ,  C07C17/20 ,  B01J8/04

Abstract: A process for producing 2,3,3,3-tetrafluoropropene comprises the steps: i) in a first adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing 2-chloro-3,3,3-trifluoropropene into contact with hydrofluoric acid in the gas phase in the presence of a catalyst 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 adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing hydrofluoric acid into contact in the gas phase, optionally in the presence of a catalyst, with at least one chlorinated compound to produce a stream B comprising 2-chloro-3,3,3-trifluoropropene. The stream A obtained in step i) feeds said second reactor. The inlet temperature of the fixed bed of one of said first or second reactors is between 300° C. and 400° C. The longitudinal temperature difference between the inlet and the outlet of the fixed bed in question is less than 20° C.

公开(公告)号：US20210155567A1

公开(公告)日：2021-05-27

申请号：US16625816

申请日：2018-07-16

Applicant: Arkema France

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

IPC: C07C17/20 ,  C07C17/25 ,  B01J27/132 ,  B01J23/26

Abstract: The present invention relates to a process for the gas-phase production of 2,3,3,3-tetrafluoropropene, comprising the steps: i) providing a composition A comprising 2-chloro-3,3,3-trifluoropropene and/or 2,3-dichloro-1,1,1-trifluoropropane and/or 2-chloro-1,1,1,2-tetrafluoropropane or a composition B comprising 1,1,1,2,2-pentafluoropropane and/or 1,1,1,2,3-pentafluoropropane; ii) placing said composition A in contact with hydrofluoric acid in the presence of a catalytic composition comprising a chromium-based catalyst or placing said composition B in contact with a catalytic composition comprising a chromium-based catalyst to produce a composition C comprising 2,3,3,3-tetrafluoropropene, characterized in that step ii) is performed at a temperature of between 310° C. and 450° C. and in that the temperature of step ii) is controlled so as not to exceed 450° C.; and when said catalyst is deactivated, the temperature of step ii) is increased in increments from 0.5° C. to 20° C. on condition that the temperature does not exceed 450° C.

公开(公告)号：US20180327341A1

公开(公告)日：2018-11-15

申请号：US16039447

申请日：2018-07-19

Applicant: Arkema France

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

IPC: C07C17/25 ,  C07C17/383 ,  C01B7/19 ,  B01J37/12 ,  B01J37/24 ,  B01J37/26 ,  B01J23/26 ,  B01J23/86 ,  C07C17/20

CPC classification number: C07C17/25 ,  B01J23/26 ,  B01J23/866 ,  B01J27/132 ,  B01J37/12 ,  B01J37/24 ,  B01J37/26 ,  C01B7/191 ,  C07C17/206 ,  C07C17/38 ,  C07C17/383 ,  C07C19/08 ,  C07C21/18

Abstract: The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene from 1,1,1,2,3-pentachloropropane and/or 1,1,2,2,3-pentachloropropane, comprising the following steps: (a) catalytic reaction of 1,1,1,2,3-pentachloropropane and/or 1,1,2,2,3-pentachloropropane with HF into a reaction mixture comprising HCl, 2-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene, unreacted HF, and optionally 1,1,1,2,2-pentafluoropropane; (b) separating the reaction mixture into a first stream comprising HCl and 2,3,3,3-tetrafluoropropene and a second stream comprising HF, 2-chloro-3,3,3-trifluoropropene and optionally 1,1,1,2,2-pentafluoropropane; (c) catalytic reaction of the second stream into a reaction mixture comprising 2,3,3,3-tetrafluoropropene, HCl, unreacted 2-chloro-3,3,3-trifluoropropene, unreacted HF and optionally 1,1,1,2,2-pentafluoropropane and (d) feeding the reaction mixture of step (c) directly without separation to step (a).

公开(公告)号：US20180141885A1

公开(公告)日：2018-05-24

申请号：US15861873

申请日：2018-01-04

Applicant: Arkema France

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

IPC: C07C17/20 ,  B01J7/00 ,  C07C17/21 ,  C07C17/25 ,  C07C21/18 ,  C07C19/08

CPC classification number: C07C17/206 ,  B01J7/00 ,  C07C17/21 ,  C07C17/25 ,  C07C21/18 ,  C07C19/08

Abstract: The invention relates to a method for producing a fluorinated compound, comprising: the provision of a gaseous flow comprising hydrofluoric acid; the provision of at least one liquid flow of a chlorinated compound and the vapourisation thereof by mixing with said gaseous flow, the resulting mixture being a gaseous mixture; and the catalytic reaction of the chlorinated compound with hydrofluoric acid in a gaseous phase and the collection of a product flow. The invention also relates to a facility for carrying out said method.

公开(公告)号：US20170267612A1

公开(公告)日：2017-09-21

申请号：US15101733

申请日：2014-11-28

Applicant: ARKEMA FRANCE

Inventor： Philippe BONNET ,  Bertrand COLLIER ,  Dominique GARRAIT ,  Pierre-Marie SEDAT

IPC: C07C17/20

CPC classification number: C07C17/206 ,  C07B2200/09 ,  C07C17/21 ,  C07C17/383 ,  C07C19/12 ,  C07C21/18

Abstract: The present invention relates to the field of saturated fluorohydrocarbons. The subject matter thereof is more particularly the production of 1-chloro-2,2-difluoroethane from 1,1,2-trichloroethane and/or 1,2-dichloroethylene. A process for producing 1-chloro-2,2-difluoroethane from 1,1,2-trichloroethane and/or 1,2-dichloroethylene including (i) at least one step during which the 1,1,2-trichloroethane and/or the 1,2-dichloroethylene reacts or react with hydrofluoric acid in the gas phase, optionally in the presence of an oxidizing agent, in the presence or in the absence of a fluorination catalyst, to give a stream including 1-chloro-2,2-difluoroethane, hydrochloric acid, hydrofluoric acid and at least one C compound(s) chosen from 1-chloro-2-fluoroethylenes (cis and trans), 1,2-dichloro-2-fluoroethane and, optionally, unreacted 1,1,2-trichloroethane and/or 1,2-dichloroethylene.

公开(公告)号：US20170226032A1

公开(公告)日：2017-08-10

申请号：US15518607

申请日：2015-10-07

Applicant: Arkema France

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

IPC: C07C17/20 ,  C07C19/01

CPC classification number: C07C17/206 ,  C07C17/20 ,  C07C17/21 ,  C07C19/01 ,  C07C21/18

Abstract: The invention first relates to a composition comprising at least 99 wt. % of 1,1,1,3,3-pentachloropropane and at least one compound selected from a list of additional compounds consisting of dichloropropanes, trichloropropanes, tetrachloropropanes, pentachloropropanes different from 1,1,1,3,3-pentachloropropane, hexachloropropanes, heptachloropropanes, chloropropenes, dichloropropenes, trichloropropenes, tetrachloropropenes, pentachloropropenes and hexachloropropene, the weight content of said compound in the composition being lower than or equal to 500 ppm.

公开(公告)号：US20160046548A1

公开(公告)日：2016-02-18

申请号：US14773645

申请日：2014-02-24

Applicant: ARKEMA FRANCE

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

IPC: C07C21/18 ,  C01B7/19

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

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