-
公开(公告)号：US5523501A
公开(公告)日：1996-06-04
申请号：US362331
申请日：1994-12-22
CPC分类号： C07C17/23 , C07C17/278
摘要： A process is disclosed for the catalytic hydrogenolysis of at least one starting material selected from saturated acyclic halofluorocarbons and hydrohalofluorocarbons containing three or four carbon atoms, and from one to five non-fluorine halogens (each non-fluorine halogen being independently chlorine or bromine) wherein all non-fluorine halogen substituents are contained on end carbons. The process involves reacting the starting material with hydrogen at an elevated temperature of about 300.degree. C. or less in the presence of a catalyst containing a catalytically effective amount of palladium supported on carbon to produce a hydrogenolysis product wherein over 80 mole percent of the hydrogenolysis product is a saturated compound having the same distribution of fluorine substituents as the starting material. The carbon support has an ash content of less than about 0.5% by weight.
摘要翻译： 公开了用于催化氢解至少一种选自饱和的无环卤代烃和含有三或四个碳原子的氢卤氟烃的起始材料和一至五个非氟卤素（每个非氟卤素独立地是氯或溴）的催化氢解，其中 所有非氟卤素取代基都包含在末端碳上。 该方法包括在含有催化有效量的负载在碳上的钯的催化剂存在下，在约300℃或更低的升高温度下使起始材料与氢反应以产生氢解产物，其中超过80摩尔％的氢解 产物是具有与起始原料相同的氟取代基分布的饱和化合物。 碳载体的灰分含量小于约0.5重量％。
-
公开(公告)号：US5068473A
公开(公告)日：1991-11-26
申请号：US596551
申请日：1990-10-17
IPC分类号： C07C17/00 , C07C17/23 , C07D213/61
CPC分类号： C07D213/61 , C07C17/00 , C07C17/23
摘要： A process for the hydrogenolysis and/or dehydrohalogenation of fluorohalocarbons and/or fluorohalohydrocarbons by reacting the fluorohalocarbons and/or fluorohalohydrocarbons with a source of hydrogen in the presence of a catalyst, the improvement comprising utilizing a rhenium-containing catalyst, which may, optionally, contain at least one Group VIII metal and may, optionally, be supported.
摘要翻译： 通过在催化剂存在下使氟代卤代烃和/或氟代卤代烃与氢源反应来进行氟代卤代烃和/或氟代卤代烃的氢解和/或脱卤化氢的方法，该改进包括使用含铼的催化剂， 含有至少一种VIII族金属，并且可以任选地被支持。
-
公开(公告)号：US5146018A
公开(公告)日：1992-09-08
申请号：US721785
申请日：1991-06-26
IPC分类号： C07C17/00 , C07C17/23 , C07D213/61
CPC分类号： C07D213/61 , C07C17/00 , C07C17/23
摘要： A process for the hydrogenolysis and/or dehydrohalogenation of fluorohalocarbons and/or fluorohalohydrocarbons by reacting the fluorohalocarbons and/or fluorohalohydrocarbons with a source of hydrogen in the presence of a catalyst, the improvement comprising utilizing a rhenium-containing catalyst, which may, optionally, contain at least one Group VIII metal and may, optionally, be supported.
摘要翻译： 通过在催化剂存在下使氟代卤代烃和/或氟代卤代烃与氢源反应来进行氟代卤代烃和/或氟代卤代烃的氢解和/或脱卤化氢的方法，该改进包括使用含铼的催化剂， 含有至少一种VIII族金属，并且可以任选地被支持。
-
4.发明授权Activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons 失效使用氟代卤代烃或氟代卤代烃活化贵金属催化剂
公开(公告)号：US5094988A
公开(公告)日：1992-03-10
申请号：US585464
申请日：1990-09-20
摘要： This invention provides a process for the regeneration and/or activation of a noble catalyst comprising contacting said catalyst with an atmosphere comprising a fluorohalocarbon and/or a fluorohydrocarbon of the formula, C.sub.n H.sub.m F.sub.p X.sub.q, wherein X is chlorine and/or bromine; n is an integer from 1 to 6; m is an integer from 0 to 6, provided that m can be no more than the total n in the compound; p and q are integers from 1-13 when the compound is acyclic and integers from 1-11 when the compound is cyclic, provided that the fluorohalocarbon and/or fluorohalohydrocarbon always contains at least one chlorine or bromine atom and provided that m+p+q=2n+2 when the compound is acyclic and that m+p+q=2n when the compound is cyclic, at a temperature in excess of 200.degree. C.
摘要翻译： 本发明提供了一种用于再生和/或活化贵金属催化剂的方法，包括使所述催化剂与包含氟卤烃和/或下式的氟代烃的气氛CnHmFpXq接触，其中X是氯和/或溴; n是1至6的整数; m是0至6的整数，条件是m不能超过化合物中的总数n; 当化合物为环状时，p和q为1-13的整数，当化合物为环状时，化合物为1-11的整数，条件是氟代卤代烃和/或氟代卤代烃总是含有至少一个氯或溴原子，条件是m + p + 当化合物为环状时，q = 2n + 2，当化合物为环状时，m + p + q = 2n，温度超过200℃。
-
5.发明授权
公开(公告)号：US4873381A
公开(公告)日：1989-10-10
申请号：US199811
申请日：1988-05-20
IPC分类号： B01J27/12 , B01J27/13 , C07B61/00 , C07C17/00 , C07C17/10 , C07C17/23 , C07C19/08 , C07C67/00
CPC分类号： C07C17/23
摘要： Process for the manufacture of 1,1,1,2-tetrafluoroethane by the vapor phase hydrodehalogenation of 1,1,1,2-tetrafluorochloroethane in the presence of a catalyst consisting essentially of palladium on an aluminum fluoride or fluorinated alumina support.
-
6.发明授权Regeneration of noble metal catalysts used in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen 失效在含有氟化物和至少一种其他卤素的氢取代的烃类的氢化反应中使用的贵金属催化剂的再生
公开(公告)号：US5057470A
公开(公告)日：1991-10-15
申请号：US526720
申请日：1990-05-22
申请人： Carl S. Kellner
发明人： Carl S. Kellner
IPC分类号： B01J23/40 , B01J23/96 , B01J27/28 , B01J27/32 , B01J37/22 , B01J38/42 , C07B61/00 , C07C17/00 , C07C17/23 , C07C19/08 , C07C51/377
CPC分类号： C07C51/377 , B01J23/96 , B01J27/32 , B01J38/42 , C07C17/23 , Y02P20/584
摘要： A process is disclosed for the treatment of a new or deactivated supported metal catalyst containing noble metal to prepare said catalyst for use in the hydrodehalogenation of a compound having the formula C.sub.n H.sub.m F.sub.p X.sub.q, where each X is independently selected from Cl and Br, wherein n is an integer from 1 to 6, m is an integer from 0 to 12, p is an integer from 1 to 13, and q is an integer from 1 to 13, and wherein m+p+q equals 2n+2 for saturated compounds which are acyclic, m+p+q equals 2n for saturated compounds which are cyclic and for olefinic compounds which are acyclic, and m+p+q equals 2n-2 for olefinic compounds which are cyclic, comprising the step of contacting said catalyst with an atmosphere comprising chlorine gas at a temperature from about 100.degree. C. to 400.degree. C. for a time sufficient to improve the catalytic activity thereof for said hydrodehalogenation. A process is also disclosed for catalytic hydrodehalogenation characterized by using a supported metal catalyst containing noble metal which has been so contacted with an atmosphere comprising chlorine.
摘要翻译： 公开了一种用于处理含有贵金属的新的或失活的负载金属催化剂以制备用于具有式C n H m F p X q的化合物的加氢脱卤的所述催化剂的方法，其中每个X独立地选自Cl和Br，其中n为 1〜6的整数，m为0〜12的整数，p为1〜13的整数，q为1〜13的整数，m + p + q等于2n + 2，饱和化合物为 对环状的饱和化合物和环状的烯属化合物，m + p + q等于2n，对于环状烯烃化合物，m + p + q等于2n-2，包括使所述催化剂与气氛接触的步骤 包括在约100℃至400℃的温度下的氯气持续足以改善其对所述加氢脱卤的催化活性的时间。 还公开了一种用于催化加氢脱卤的方法，其特征在于使用含有贵金属的负载金属催化剂，其已经与包含氯的气氛接触。
-
7.发明授权Activation of noble metal catalysts for use in hydrodehalogenation of halogen-substituted hydrocarbons containing fluorine and at least one other halogen 失效用于含氟和至少一种其它卤素的卤素取代的烃的加氢脱卤的贵金属催化剂的活化
公开(公告)号：US5202510A
公开(公告)日：1993-04-13
申请号：US728378
申请日：1991-07-11
申请人： Carl S. Kellner
发明人： Carl S. Kellner
IPC分类号： B01J23/96 , B01J27/32 , B01J38/42 , C07C17/23 , C07C51/377
CPC分类号： B01J23/96 , B01J27/32 , B01J38/42 , C07C17/23 , C07C51/377 , Y02P20/584
摘要： A process is disclosed for the treatment of a new or deactivated supported metal catalyst containing noble metal to prepare said catalyst for use in the hydrodehalogenation of a compound having the formula C.sub.n H.sub.m F.sub.p X.sub.q, where each X is independently selected from Cl and Br, wherein n is an integer from 1 to 6, m is an integer from 0 to 12, p is an integer from 1 to 13, and q is an integer from 1 to 13, and wherein m+p+q equals 2n+2 for saturated compounds which are acyclic, m+p+q equals 2n for saturated compounds which are cyclic and for olefinic compounds which are acyclic, and m+p+q equals 2n-2 for olefinic compounds which are cyclic, comprising the step of contacting said catalyst with an atmosphere comprising chlorine gas at a temperature from about 100.degree. C. to 400.degree. C. for a time sufficient to improve the catalytic activity thereof for said hydrodehalogenation. A process is also disclosed for catalytic hydrodehalogenation characterized by using a supported metal catalyst containing noble metal which has been so contacted with an atmosphere comprising chlorine.
摘要翻译： 公开了一种用于处理含有贵金属的新的或失活的负载金属催化剂以制备用于具有式C n H m F p X q的化合物的加氢脱卤的所述催化剂的方法，其中每个X独立地选自Cl和Br，其中n为 1〜6的整数，m为0〜12的整数，p为1〜13的整数，q为1〜13的整数，m + p + q等于2n + 2，饱和化合物为 对环状的饱和化合物和环状的烯属化合物，m + p + q等于2n，对于环状烯烃化合物，m + p + q等于2n-2，包括使所述催化剂与气氛接触的步骤 包括在约100℃至400℃的温度下的氯气持续足以改善其对所述加氢脱卤的催化活性的时间。 还公开了一种用于催化加氢脱卤的方法，其特征在于使用含有贵金属的负载金属催化剂，其已经与包含氯的气氛接触。
-
8.发明授权Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons 失效使用氟代卤代烃或氟代卤代烃再生或活化贵金属催化剂
公开(公告)号：US4980324A
公开(公告)日：1990-12-25
申请号：US412326
申请日：1989-09-25
申请人： Carl S. Kellner , Jan J. Lerou , V. N. M. Rao , Klaws G. Wuttke
发明人： Carl S. Kellner , Jan J. Lerou , V. N. M. Rao , Klaws G. Wuttke
摘要： This invention provides a process for the regeneration and/or activation of a noble catalyst comprising contacting said catalyst with an atmosphere comprising a fluorohalocarbon and/or a fluorohydrocarbon of the formula, C.sub.n H.sub.m F.sub.p X.sub.q, wherein X is chlorine and/or bromine; n is an integer from 1 to 6; m is an integer from 0 to 6, provided that m can be no more than the total n in the compound; p and q are integers from 1-13 when the compound is acrylic and integers from 1-11 when the compound is cyclic, provided that the fluorohalocarbon and/or fluorohalohydrocarbon always contain at least one chlorine or bromine atom and provided that m+p+q=2n+2 when the compound is acrylic and that m+p+q=2n when the compound is cyclic, at a temperature in excess of 200.degree. C.
摘要翻译： 本发明提供了一种用于再生和/或活化贵金属催化剂的方法，包括使所述催化剂与包含氟卤烃和/或下式的氟代烃的气氛CnHmFpXq接触，其中X是氯和/或溴; n是1至6的整数; m是0至6的整数，条件是m不能超过化合物中的总数n; 当化合物为丙烯酸时，p和q为1-13的整数，当化合物为环状时，该化合物为1-11的整数，条件是氟代卤代烃和/或氟代卤代烃总是含有至少一个氯或溴原子，条件是m + p + 当化合物为丙烯酸时，q = 2n + 2，当化合物为环状时，m + p + q = 2n，温度超过200℃。
-
-
-
-
-
-
-
搜索结果
8 条记录 (耗时 0.028 秒)
