Integrated process for the co-production of trans-1-chloro-3,3,3-trifluoropropene, trans-1,3,3,3-tetrafluoropropene, and 1,1,1,3,3-pentafluoropropane
    94.
    发明授权
    Integrated process for the co-production of trans-1-chloro-3,3,3-trifluoropropene, trans-1,3,3,3-tetrafluoropropene, and 1,1,1,3,3-pentafluoropropane 有权
    共同生产反式-1-氯-3,3,3-三氟丙烯,反式-1,3,3,3-四氟丙烯和1,1,1,3,3-五氟丙烷的综合方法

    公开(公告)号:US08664456B2

    公开(公告)日:2014-03-04

    申请号:US13432152

    申请日:2012-03-28

    IPC分类号: C07C17/25 C07C17/38

    摘要: Disclosed is an integrated process to co-produce trans-1-chloro-3,3,3-trifluoro-propene (1233zd (E)), trans-1,3,3,3-tetrafluoropropene (1234ze (E)), and 1,1,1,3,3-pentafluoropropane (245fa). Overall the co-production is a three-step process. The chemistry involves the steps of: (1) the reaction of 1,1,1,3-tetrachloropropene and/or 1,1,3,3-tetrachloropropene with anhydrous HF in excess in a liquid-phase catalyzed reactor in such a way as to co-produce primarily 1233zd (E) and 244fa (plus by-product HCl); an optionally (2) the 244fa stream can then be used to directly produce any (or all) of the following desired products; (a) the 244fa stream can be dehydrochlorinated to produce the desired second product 1234ze (E); and/or (b) the 244fa stream can be dehydrofluorinated to produce 1233zd (E) if more of that product is desired; and/or (c) the 244fa stream can be further fluorinated to form 245fa.

    摘要翻译: 公开了共同生产反式-1-氯-3,3,3-三氟丙烯(1233zd(E)),反式-1,3,3,3-四氟丙烯(1234ze(E))和 1,1,1,3,3-五氟丙烷(245fa)。 总的来说,联合制作是一个三步骤的过程。 该化学方法包括以下步骤:(1)在液相催化的反应器中1,1,1,3-四氯丙烯和/或1,1,3,3-四氯丙烯与无水HF在液相催化反应器中的反应 主要共同生产1233zd(E)和244fa(加副产物HCl); 然后,任选地(2)244fa流可以用于直接生产任何(或全部)以下所需产物; (a)244fa流可以脱氯化氢以产生所需的第二产物1234ze(E); 和/或(b)如果需要更多的该产物,则244fa流可以被脱氟化氢以产生1233zd(E); 和/或(c)244fa流可进一步氟化以形成245fa。

    CONTINUOUS LOW-TEMPERATURE PROCESS TO PRODUCE TRANS-1-CHLORO-3,3,3-TRIFLUOROPROPENE
    95.
    发明申请
    CONTINUOUS LOW-TEMPERATURE PROCESS TO PRODUCE TRANS-1-CHLORO-3,3,3-TRIFLUOROPROPENE 有权
    连续低温生产反式-1-氯代-3,3,3-三氟丙烯的方法

    公开(公告)号:US20120059199A1

    公开(公告)日:2012-03-08

    申请号:US13220212

    申请日:2011-08-29

    IPC分类号: C07C17/20 B01J19/00 C07C17/25

    摘要: Disclosed is process for the production of (E) 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(E)) by conducting a continuous reaction without the use of a catalyst. Also disclosed is an integrated system for producing hydrofluoro olefins, particularly 1233zd(E). The manufacturing process includes six major unit operations: (1) a fluorination reaction of HCC-240fa (in continuous or semi-batch mode) using HF with simultaneous removal of by-product HCl and the product 1233zd(E); (2) recycle of unreacted HCC-240fa and HF together with under-fluorinated by-products back to (1); (3) separation and purification of by-product HCl; (4) separation of excess HF back to (1); (5) purification of final product, 1233zd(E); and (6) isomerization of by-product 1233zd(Z) to 1233zd(E) to maximize the process yield.

    摘要翻译: 公开了通过在不使用催化剂的情况下进行连续反应来制备(E)1-氯-3,3,3-三氟丙烯(HCFO-1233zd(E))的方法。 还公开了用于制备氢氟烯烃的综合系统,特别是1233zd(E)。 制造过程包括六个主要单元操作:(1)使用HF同时除去副产物HCl和产物1233zd(E)的HCC-240fa(连续或半间歇模式)的氟化反应; (2)将未反应的HCC-240fa和HF与未氟化的副产物一起回收至(1); (3)副产物HCl的分离和纯化; (4)将过量的HF分离回(1); (5)最终产物的纯化,1233zd(E); 和(6)副产物1233zd(Z)异构化为1233zd(E)以使工艺产率最大化。

    INTEGRATED PROCESS TO PRODUCE 2,3,3,3-TETRAFLUOROPROPENE
    96.
    发明申请
    INTEGRATED PROCESS TO PRODUCE 2,3,3,3-TETRAFLUOROPROPENE 有权
    综合方法生产2,3,3,3-四氯丙烯

    公开(公告)号:US20110207975A9

    公开(公告)日:2011-08-25

    申请号:US12404130

    申请日:2009-03-13

    IPC分类号: C07C17/20

    摘要: A method for preparing 2,3,3,3-tetrafluoroprop-1-ene comprising (a) providing a starting composition comprising at least one compound having a structure selected from Formulae I, II and III: CX2═CCl—CH2X  (Formula I) CX3—CCl═CH2  (Formula II) CX3—CHCl—CH2X  (Formula III) wherein X is independently selected from F, Cl, Br, and I, provided that at least one X is not fluorine; (b) contacting said starting composition with a first fluorinating agent to produce a first intermediate composition comprising 2-chloro-3,3,3-trifluoropropene and a first chlorine-containing byproduct; (c) contacting said first intermediate composition with a second fluorinating agent to produce a second intermediate composition comprising 2-chloro-1,1,1,2-tetrafluoropropane and a second chlorine-containing byproduct; and (d) catalytically dehydrochlorinating at least a portion of said 2-chloro-1,1,1,2-tetrafluoropropane to produce a reaction product comprising 2,3,3,3-tetrafluoroprop-1-ene.

    摘要翻译: 一种制备2,3,3,3-四氟丙-1-烯的方法,包括(a)提供起始组合物,其包含至少一种具有选自式I,II和III的结构的化合物:CX2 = CCl-CH2X(式I )CX3-CCl = CH2(式II)CX3-CHCl-CH2X(式III)其中X独立地选自F,Cl,Br和I,条件是至少一个X不是氟; (b)使所述起始组合物与第一氟化剂接触以产生包含2-氯-3,3,3-三氟丙烯和第一含氯副产物的第一中间体组合物; (c)使所述第一中间体组合物与第二氟化剂接触以产生包含2-氯-1,1,1,2-四氟丙烷和第二含氯副产物的第二中间体组合物; 和(d)将至少一部分所述2-氯-1,1,1,2-四氟丙烷催化脱氯化氢以产生包含2,3,3,3-四氟丙-1-烯的反应产物。

    METHOD FOR SEPARATING HALOCARBONS
    99.
    发明申请
    METHOD FOR SEPARATING HALOCARBONS 有权
    分离HALOCARBONS的方法

    公开(公告)号:US20100048961A1

    公开(公告)日:2010-02-25

    申请号:US12540252

    申请日:2009-08-12

    IPC分类号: C07C17/20 C07C17/38

    摘要: The invention provides a method for separating halocarbons. In particular, a method for separating 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) from 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) based on differences in melting points of these compounds. More particularly the invention pertains to a method for separating HCFC-244bb from HCFO-1233xf which are useful as intermediates in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf).

    摘要翻译: 本发明提供一种分离卤代烃的方法。 特别地,基于这些的熔点的差异,从2-氯-3,3,3-三氟丙烯(HCFO-1233xf)中分离出2-氯-1,1,1,2-四氟丙烷(HCFC-244bb)的方法 化合物。 更具体地说,本发明涉及从HCFO-1233xf中分离HCFC-244bb的方法,其可用作生产2,3,3,3-四氟丙烯(HFO-1234yf)中的中间体。

    Method of making 1,1,1-trifluoroethane
    100.
    发明授权
    Method of making 1,1,1-trifluoroethane 有权
    制备1,1,1-三氟乙烷的方法

    公开(公告)号:US07071368B1

    公开(公告)日:2006-07-04

    申请号:US11054029

    申请日:2005-02-09

    摘要: A process for producing 1,1,1-trifluoroethane (HFC-143a) which process comprises reacting hydrogen fluoride with vinylidene chloride along with one or more of 1,1,-dichloro-1-fluoroethane (HCFC-141b), 1-chloro-1,1-difluoroethane (HCFC-142b) and 1,1,1-trichloroethane (HCC-140a) in the presence of pentavalent antimony as a fluorination catalyst under conditions to produce 1,1,1-trifluoroethane (HFC-143a), generally in yields of 90% or more.

    摘要翻译: 一种制备1,1,1-三氟乙烷(HFC-143a)的方法,该方法包括使氟化氢与偏二氯乙烯与一种或多种1,1,1-二氯-1-氟乙烷(HCFC-141b),1-氯 -1,1-二氟乙烷(HCFC-142b)和1,1,1-三氯乙烷(HCC-140a)在五价锑作为氟化催化剂存在下,生成1,1,1-三氟乙烷(HFC-143a) ,通常为90%以上的收率。