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    Method for producing 2,3,3,3-tetrafluoropropene
    1.
    发明授权
    Method for producing 2,3,3,3-tetrafluoropropene 有权
    制备2,3,3,3-四氟丙烯的方法

    公开(公告)号：US09346723B2

    公开(公告)日：2016-05-24

    申请号：US14376190

    申请日：2013-01-11

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

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

    IPC: C07C17/20 ,  C07C17/25 ,  C07C17/38 ,  C07C17/383 ,  F25J1/00

    CPC classification number: C07C17/20 ,  C07C17/206 ,  C07C17/25 ,  C07C17/38 ,  C07C17/383 ,  F25J1/0022 ,  F25J3/04412 ,  C07C21/18

    Abstract: The invention concerns a method for producing 2,3,3,3-tetrafluoropropene comprising: a fluoridation reaction of a halopropane and/or halopropene into 2,3,3,3-tetrafluoropropene by means of hydrogen fluoride; the recovery of a gas stream resulting from the reaction; the cooling and partial condensation of the gas stream resulting from the reaction into a partially condensed stream; the separation of the partially condensed stream into a gas fraction and a liquid fraction; the compression of the gas fraction into a compressed gas fraction; the compression of the liquid fraction into a compressed liquid fraction; the distillation of the compressed gas fraction and compressed liquid fraction in order to provide a stream of 2,3,3,3-tetrafluoropropene, a stream of hydrochloric acid, and a stream of unreacted hydrogen fluoride. The invention also concerns an installation suitable for implementing said method.

    Abstract translation: 本发明涉及一种生产2,3,3,3-四氟丙烯的方法，包括：通过氟化氢将卤代丙烷和/或卤代丙烯氟化反应成2,3,3,3-四氟丙烯; 回收由反应产生的气流; 将由反应产生的气流冷却和部分冷凝成部分冷凝的流; 将部分冷凝的流分离成气体馏分和液体馏分; 将气体馏分压缩成压缩气体馏分; 将液体馏分压缩成压缩液体馏分; 蒸馏压缩气体馏分和压缩液体馏分以提供2,3,3,3-四氟丙烯的流，盐酸流和未反应的氟化氢气流。 本发明还涉及适于实现所述方法的安装。

    Method for producing pentafluoroethane
    2.
    发明授权
    Method for producing pentafluoroethane 有权
    五氟乙烷生产方法

    公开(公告)号：US08269052B2

    公开(公告)日：2012-09-18

    申请号：US12302645

    申请日：2007-05-09

    Applicant: Bertrand Collier ,  Géraldine Cavallini ,  Béatrice Boussand

    Inventor： Bertrand Collier ,  Géraldine Cavallini ,  Béatrice Boussand

    IPC: C07C17/00 ,  C07C17/38

    CPC classification number: C07C19/08 ,  C07C17/206 ,  C07C17/21 ,  Y02P20/582

    Abstract: The invention relates to a method for producing pentafluoroethane, and especially to a method comprising (i) a step during which perchloroethylene and optionally 2,2-dichloro-1,1,1-trifluoroethane and/or 2-chloro-1,1,1,2-tetrafluoroethane react(s) with hydrofluoric acid in a gaseous phase in the presence of a catalyst in an adiabatic multi-stage reactor, and optionally (ii) a step of separating the flow produced in step (i) in order to obtain a fraction of light products and a fraction of heavy products.

    Abstract translation: 本发明涉及一种生产五氟乙烷的方法，特别涉及一种方法，其包括（i）全氯乙烯和任选的2,2-二氯-1,1,1-三氟乙烷和/或2-氯-1,1， 在绝热多级反应器中，在催化剂存在下，1,2-二氟乙烷与氢氟酸在气相中反应，和任选地（ii）分离步骤（i）中产生的流以便 获得一小部分轻质产品和一部分重质产品。

    METHOD OF RECOVERING HYDROFLUORIC ACID
    3.
    发明申请
    METHOD OF RECOVERING HYDROFLUORIC ACID 审中-公开
    回收氢氟酸的方法

    公开(公告)号：US20100280292A1

    公开(公告)日：2010-11-04

    申请号：US12305875

    申请日：2007-05-21

    Applicant: Bertrand Collier

    Inventor： Bertrand Collier

    IPC: C07C19/08

    CPC classification number: C01B7/196 ,  B01D53/002 ,  B01D2257/2047 ,  C01B7/195 ,  Y02C20/30

    Abstract: The present invention relates to a process for producing pentafluoroethane. More particularly, the subject of the invention is a continuous process for producing pentafluoroethane comprising (i) a step of fluorinating perchloroethylene (PER) with hydrofluoric acid, in the gas phase, in the presence of a catalyst, (ii) a step of separating the products issuing from step (i) in order to give a fraction of light products and a fraction of heavy products, comprising hydrofluoric acid, unreacted perchloroethylene and under-fluorinated products, and (iii) a step of pretreating the fraction of heavy products before recycling to step (i).

    Abstract translation: 本发明涉及一种生产五氟乙烷的方法。 更具体地，本发明的主题是生产五氟乙烷的连续方法，其包括（i）在气相中，在催化剂存在下，用氢氟酸氟化全氯乙烯（PER）的步骤，（ii）分离步骤 从步骤（i）中发出的产品，以产生一小部分轻质产品和一部分重质产品，其中包括氢氟酸，未反应的全氯乙烯和未完全氟化的产物，以及（iii）预处理重质产物部分的步骤 回收到步骤（i）。

    Process for the preparation of 2,3,3,3 tetrafluoropropene
    4.
    发明授权
    Process for the preparation of 2,3,3,3 tetrafluoropropene 有权
    制备2,3,3,3-四氟丙烯的方法

    公开(公告)号：US09334208B2

    公开(公告)日：2016-05-10

    申请号：US14363918

    申请日：2011-12-14

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

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

    IPC: C07C17/25 ,  C07C17/20 ,  C07C17/38 ,  C07C17/383 ,  C01B7/19 ,  B01J37/12 ,  B01J37/24 ,  B01J37/26 ,  B01J23/26 ,  B01J23/86 ,  B01J27/132

    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).

    Abstract translation: 本发明提供从1,1,1,2,3-五氯丙烷和/或1,1,2,2,3-五氯丙烷制备2,3,3,3-四氟丙烯的方法，包括以下步骤：（ a）1,1,1,2,3-五氯丙烷和/或1,1,2,2,3-五氯丙烷与HF的催化反应进入包含HCl，2-氯-3,3,3-三氟丙烯的反应混合物 ，2,3,3,3-四氟丙烯，未反应的HF和任选的1,1,1,2,2-五氟丙烷; （b）将反应混合物分离成包含HCl和2,3,3,3-四氟丙烯的第一料流和包含HF，2-氯-3,3,3-三氟丙烯和任选的1,1,1,2 ，2-五氟丙烷; （c）将第二流催化反应成包含2,3,3,3-四氟丙烯，HCl，未反应的2-氯-3,3,3-三氟丙烯，未反应的HF和任选的1,1,1,2 （d）直接进料步骤（c）的反应混合物而不分离步骤（a）。

    Method for Producing 2,3,3,3-Tetrafluoropropene
    6.
    发明申请
    Method for Producing 2,3,3,3-Tetrafluoropropene 有权
    生产2,3,3,3-四氟丙烯的方法

    公开(公告)号：US20150080619A1

    公开(公告)日：2015-03-19

    申请号：US14376190

    申请日：2013-01-11

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

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

    IPC: C07C17/20 ,  F25J1/00

    CPC classification number: C07C17/20 ,  C07C17/206 ,  C07C17/25 ,  C07C17/38 ,  C07C17/383 ,  F25J1/0022 ,  F25J3/04412 ,  C07C21/18

    Abstract: The invention concerns a method for producing 2,3,3,3-tetrafluoropropene comprising: a fluoridation reaction of a halopropane and/or halopropene into 2,3,3,3-tetrafluoropropene by means of hydrogen fluoride; the recovery of a gas stream resulting from the reaction; the cooling and partial condensation of the gas stream resulting from the reaction into a partially condensed stream; the separation of the partially condensed stream into a gas fraction and a liquid fraction; the compression of the gas fraction into a compressed gas fraction; the compression of the liquid fraction into a compressed liquid fraction; the distillation of the compressed gas fraction and compressed liquid fraction in order to provide a stream of 2,3,3,3-tetrafluoropropene, a stream of hydrochloric acid, and a stream of unreacted hydrogen fluoride. The invention also concerns an installation suitable for implementing said method.

    Abstract translation: 本发明涉及一种生产2,3,3,3-四氟丙烯的方法，包括：通过氟化氢将卤代丙烷和/或卤代丙烯氟化反应成2,3,3,3-四氟丙烯; 回收由反应产生的气流; 将由反应产生的气流冷却和部分冷凝成部分冷凝的流; 将部分冷凝的流分离成气体馏分和液体馏分; 将气体馏分压缩成压缩气体馏分; 将液体馏分压缩成压缩液体馏分; 蒸馏压缩气体馏分和压缩液体馏分以提供2,3,3,3-四氟丙烯的流，盐酸流和未反应的氟化氢气流。 本发明还涉及适于实现所述方法的安装。

    Vaporization of solutions of hydrazine hydrate
    8.
    发明授权
    Vaporization of solutions of hydrazine hydrate 失效
    水合肼溶液的蒸发

    公开(公告)号：US5393508A

    公开(公告)日：1995-02-28

    申请号：US118775

    申请日：1993-09-10

    Applicant: Gerard Krempf ,  Bertrand Collier ,  Pierre Tellier ,  Jean-Pierre Pleuvry

    Inventor： Gerard Krempf ,  Bertrand Collier ,  Pierre Tellier ,  Jean-Pierre Pleuvry

    IPC: C01B21/16 ,  F28F21/08

    CPC classification number: F28F21/082 ,  C01B21/16 ,  Y10S203/06

    Abstract: Solutions of hydrazine hydrate are vaporized, without any concomitant decomposition thereof, by heating such solutions, in the liquid phase, under conditions as to effect the decompression or volatilization thereof; this process is particularly applicable for the vaporization of that hydrazine hydrate solution contained in the reboiler of a column wherein the hydrolysis of an azine R.sub.1 R.sub.2 C.dbd.N-N.dbd.CR.sub.1 R.sub.2 is carried out, with recovery of hydrazine hydrate at the base of the column and of a ketone, R.sub.1 R.sub.2 C.dbd.O, at the column head.

    Abstract translation: 通过在液相中加热这些溶液，在其减压或挥发的条件下，将水合肼溶液蒸发而不伴随其分解; 该方法特别适用于在塔的再沸器中蒸发含水合肼的水合物溶液，其中进行吖嗪R1R2C = NN = CR1R2is的水解，同时回收塔底部的水合肼和酮， R1R2C = O，在柱头。

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