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    METHOD FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUORO-1-PROPENE
    71.
    发明申请
    METHOD FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUORO-1-PROPENE 审中-公开

    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.

    METHOD FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUOROPROPENE
    72.
    发明申请
    METHOD FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUOROPROPENE 审中-公开

    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).

    METHOD FOR PURIFYING AND DRYING A HYDROFLUOROOLEFIN STREAM
    73.
    发明申请
    METHOD FOR PURIFYING AND DRYING A HYDROFLUOROOLEFIN STREAM 审中-公开

    公开(公告)号：US20180346396A1

    公开(公告)日：2018-12-06

    申请号：US15761543

    申请日：2016-09-19

    Applicant: Arkema France

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

    IPC: C07C17/389

    CPC classification number: C07C17/389 ,  C07C21/18

    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.

    METHOD OF FLUORINATION IN THE GASEOUS PHASE
    77.
    发明申请
    METHOD OF FLUORINATION IN THE GASEOUS PHASE 有权
    气相中氟化的方法

    公开(公告)号：US20160207855A1

    公开(公告)日：2016-07-21

    申请号：US15023475

    申请日：2014-09-17

    Applicant: ARKEMA FRANCE

    Inventor： Laurent WENDLINGER

    IPC: C07C17/20

    CPC classification number: C07C17/20 ,  C07C17/206 ,  C07C17/25 ,  C07C21/18

    Abstract: The present invention concerns a method of producing at least one compound of formula (II): CF3—CX(Z)n—CHX(Z)n in which X represents, independently, a hydrogen, fluorine or chlorine atom, Z represents, independently, a hydrogen or fluorine atom, and n =0 or 1, from at least one compound of formula (I): CX(Y)2—CX(Y)m—CHmXY in which X and Y represent, independently, a hydrogen, fluorine or chlorine atom and m =0 or 1. The method comprises at least one step during which at least one compound of formula (I) reacts with HF in the gaseous phase in the presence of a fluorination catalyst in order to give at least one compound of formula (II), characterised in that the catalyst is made from chromium oxyfluoride containing at least nickel as the co-metal and at least one rare earth metal.

    Abstract translation: 本发明涉及一种制备式（II）的至少一种化合物的方法：其中X独立地表示氢，氟或氯原子，Z独立地表示：CF3-CX（Z）n-CHX（Z）n （I）的化合物：CX（Y）2-CX（Y）m-CHmXY，其中X和Y独立地表示氢，氢或氟原子，n = 0或1， 氟或氯原子，m = 0或1.该方法包括至少一个步骤，在此步骤中，在氟化催化剂存在下，至少一种式（I）化合物与HF在气相中反应，以产生至少一种 式（II）化合物，其特征在于催化剂由至少含有镍作为共金属和至少一种稀土金属的氟氧化铬制成。

    COMPOSITION CONTAINING 2,3,3,3-TETRAFLUOROPROPENE AND 1,2-DIFLUOROETHYLENE
    80.
    发明申请
    COMPOSITION CONTAINING 2,3,3,3-TETRAFLUOROPROPENE AND 1,2-DIFLUOROETHYLENE 有权
    包含2,3,3,3-四氢呋喃和1,2-二氟乙烯的组合物

    公开(公告)号：US20150322321A1

    公开(公告)日：2015-11-12

    申请号：US14651925

    申请日：2013-12-06

    Applicant: ARKEMA FRANCE

    Inventor： Dominique DEUR-BERT ,  Laurent WENDLINGER

    IPC: C09K5/04 ,  C09K3/30 ,  B01F17/00 ,  H01B3/56 ,  C09K3/00

    CPC classification number: C09K5/045 ,  B01F17/0035 ,  B01F17/0085 ,  C09K3/00 ,  C09K3/1472 ,  C09K3/30 ,  C09K2205/126 ,  C09K2205/13 ,  C09K2205/22 ,  C09K2205/32 ,  H01B3/56

    Abstract: Compositions containing 2,3,3,3-tetrafluoropropene and 1,2-difluoroethylene, that can be used in multiple fields of application. The composition can include from 45 to 90 mol % of 2,3,3,3-tetrafluoropropene and from 55 to 10 mol % of, 1,2-difluoroethylene. The composition can include from 55 to 80 mol % of 2,3,3,3-tetrafluoropropene and from 45 to 20 mol % of 1,2-difluoroethylene. The composition can include from 62 to 69 mol % of 2,3,3,3-tetrafluoropropene and from 38 to 31 mol % of 1,2-difluoroethylene at a temperature of between −30° C. and 56° C. and a pressure of between 1 and 15 bar.

    Abstract translation: 含有2,3,3,3-四氟丙烯和1,2-二氟乙烯的组合物，可用于多种应用领域。 该组合物可以包含45至90mol％的2,3,3,3-四氟丙烯和55至10mol％的1,2-二氟乙烯。 该组合物可以包含55至80mol％的2,3,3,3-四氟丙烯和45至20mol％的1,2-二氟乙烯。 在-30℃至56℃的温度下，该组合物可包含62至69摩尔％的2,3,3,3-四氟丙烯和38至31摩尔％的1,2-二氟乙烯， 压力在1至15巴之间。

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