-
1.发明授权Method of preparation of ex situ selectivated zeolite catalysts for enhanced shape selective applications and methods to increase the activity thereof 失效用于增强形状选择性应用的非原位选择性沸石催化剂的制备方法和增加其活性的方法
公开(公告)号：US5726114A
公开(公告)日：1998-03-10
申请号：US516435
申请日：1995-08-17
CPC分类号： C07C6/123 , B01J29/40 , B01J37/086 , B01J2229/12 , B01J2229/32 , B01J2229/42 , C07C2529/00
摘要： A method of preparing a modified catalytic molecular sieve for enhanced shape selective hydrocarbon conversions in which a catalytic molecular sieve is modified by being exposed to at least one ex situ selectivation sequence, each sequence including an impregnation of the molecular sieve with a selectivating agent in an aqueous emulsion and a subsequent calcination of the impregnated molecular sieve. The selectivating agent compositions for the ex situ selectivation method are also described, including the selectivating agents, the surfactants, and the aqueous components. Also, a method for moderate steaming of the ex situ selectivated molecular sieve. Also a method for in situ trim-selectivating the ex situ selectivated catalytic molecular sieve. Also described is the modified catalytic molecular sieve modified by this method. Also described is a process for shape selective hydrocarbon conversion comprising contacting a hydrocarbon feedstream under conversion conditions with the modified catalytic molecular sieve.
摘要翻译： 一种制备用于增强形状选择性烃转化的改性催化分子筛的方法，其中催化分子筛通过暴露于至少一种非原位选择活性序列来修饰，每个序列包括用选择性试剂浸渍分子筛 水性乳液，随后煅烧浸渍的分子筛。 还描述了用于异位选择方法的选择性试剂组合物，包括选择性试剂，表面活性剂和水性组分。 另外，用于非原位选择性分子筛的中等蒸度的方法。 还有一种用于原位选择活化的催化分子筛的原位选择方法。 还描述了通过该方法改性的改性催化分子筛。 还描述了一种用于形状选择性烃转化的方法，其包括在转化条件下使烃进料流与改性的催化分子筛接触。
-
公开(公告)号：US5541146A
公开(公告)日：1996-07-30
申请号：US285475
申请日：1994-08-03
CPC分类号： B01J31/124 , B01J29/06 , B01J29/40 , B01J31/0274 , C07C6/123 , B01J2229/12 , B01J2229/32 , B01J2229/42 , Y02P20/52
摘要： A catalytic molecular sieve which has been preselectivated by agglomerating with an organosilicon compound. The invention also includes a method for agglomeration-preselectivation and the shape selective catalyst which results from the agglomeration preselectivation.
摘要翻译： 已经通过与有机硅化合物凝聚而预先使用的催化分子筛。 本发明还包括聚集预选的方法和由聚集预选导致的形状选择性催化剂。
-
3.发明授权Shape selective conversion of hydrocarbons over extrusion-modified molecular sieve 失效通过挤出改性分子筛形成碳氢化合物的选择性转化
公开(公告)号：US5365003A
公开(公告)日：1994-11-15
申请号：US22220
申请日：1993-02-25
IPC分类号： B01J29/06 , B01J29/40 , B01J31/02 , B01J31/12 , C07C6/12 , C07C5/22 , C07C2/02 , C07C2/64 , C10G73/00
CPC分类号： B01J31/124 , B01J29/06 , B01J29/40 , B01J31/0274 , C07C6/123 , B01J2229/12 , B01J2229/32 , B01J2229/42 , Y02P20/52
摘要： A process for a shape selective hydrocarbon conversion such as toluene disproportionation, involves contacting a reaction stream under conversion conditions with a catalytic molecular sieve which has been preselectivated by agglomerating with an organosilicon compound. The invention also includes a method for agglomeration-preselectivation and the shape selective catalyst which results from the agglomeration preselectivation.
摘要翻译： 形成选择性烃转化如甲苯歧化的方法包括使转化条件下的反应物流与已经通过与有机硅化合物凝聚而预选的催化分子筛接触。 本发明还包括聚集预选的方法和由聚集预选导致的形状选择性催化剂。
-
公开(公告)号：US4849568A
公开(公告)日：1989-07-18
申请号：US140275
申请日：1987-12-31
IPC分类号： B01J29/65 , B01J29/40 , B01J29/70 , C07B61/00 , C07C1/00 , C07C2/84 , C07C15/02 , C07C67/00 , C10G35/095
CPC分类号： B01J29/405 , B01J29/40 , C10G35/095 , B01J2229/26 , B01J2229/42 , B01J29/65 , B01J29/70 , B01J29/7007
摘要： A process for converting a C.sub.1 -C.sub.12 non-aromatic hydrocarbon feed to aromatics by contacting the feed with a zinc-containing medium pore size zeolite catalyst in a conversion zone, comprising adding at least one non-metal oxide or sulfide to the feed in an amount effective to prevent elution of zinc from the zinc-containing zeolite catalyst.
-
公开(公告)号：US5516736A
公开(公告)日：1996-05-14
申请号：US306566
申请日：1994-09-15
IPC分类号： B01J29/40 , B01J29/44 , B01J31/02 , B01J31/12 , B01J31/40 , C07C1/20 , C07C2/12 , C07C2/66 , C07C5/27 , C07C5/41 , C07C6/12 , C07C45/54 , C10G45/64 , C10G50/00 , B01J29/06
CPC分类号： B01J31/124 , B01J29/40 , B01J29/44 , B01J31/0274 , B01J31/125 , B01J31/40 , C07C1/20 , C07C2/12 , C07C2/66 , C07C45/54 , C07C5/2708 , C07C5/41 , C07C6/123 , C07C6/126 , C10G45/64 , C10G50/00 , B01J2229/12 , B01J2229/32 , B01J2229/42 , C07C2529/40 , Y02P20/584
摘要： There is provided a method for selectivating a zeolite, such as ZSM-5 which may result in functionalization of the zeolite with at least one organosiliceous group of the formula, SiR.sub.n (OX).sub.4-n, where R is at least one hydrocarbyl group, n is 1 or 2 and X is Si or H. This selectivation method involves vapor phase treatment of a zeolite with an organosilicon compound having at least 2 silicon atoms. This organosilicon compound may be a silicone compound, such as hexamethyldisiloxane, or a silane compound such as hexamethyldisilane. This contacting may take place in the presence of hydrogen and an organic carrier. The functionalized zeolites may provide a catalyst which is both highly active and highly selective for converting aromatic hydrocarbons, especially alkylbenzene compounds, to products comprising the para-isomer of dialkylbenzenes. The disproportionation of toluene is an example of such a reaction.
摘要翻译： 提供了选择沸石的方法，例如ZSM-5，其可以导致沸石与至少一种下式的有机硅基团SiRn（OX）4-n官能化，其中R是至少一个烃基， n为1或2，X为Si或H.该选择方法包括用具有至少2个硅原子的有机硅化合物气相处理沸石。 该有机硅化合物可以是六甲基二硅氧烷等硅酮化合物，六甲基二硅烷等硅烷化合物。 该接触可以在氢和有机载体的存在下进行。 官能化沸石可以提供对于将芳族烃，特别是烷基苯化合物转化成包含二烷基苯的对位异构体的产物，其具有高活性和高度选择性的催化剂。 甲苯的歧化是这种反应的一个例子。
-
公开(公告)号：US5498814A
公开(公告)日：1996-03-12
申请号：US223383
申请日：1994-04-05
IPC分类号： B01J29/40 , B01J29/44 , B01J31/02 , B01J31/12 , B01J35/02 , C07C1/20 , C07C2/12 , C07C2/66 , C07C5/27 , C07C5/41 , C07C6/12 , C07C45/54 , C10G45/64 , C10G50/00 , C07C5/52
CPC分类号： C10G50/00 , B01J29/40 , B01J29/44 , B01J31/0274 , B01J31/124 , B01J31/125 , C07C1/20 , C07C2/12 , C07C2/66 , C07C45/54 , C07C5/2708 , C07C5/41 , C07C6/123 , C07C6/126 , C10G45/64 , B01J2229/12 , B01J2229/42 , B01J35/023 , C07C2529/40 , Y02P20/52
摘要： A process and catalyst for Shape Selective Hydrocarbon Conversions such as the regioselective disproportionation of toluene to para-xylene wherein hydrocarbon to be converted is passed over a catalytic molecular sieve which is trim selectivated with a reaction stream comprising toluene and a silicon-containing high efficiency p-xylene selectivating agent under toluene conversion conditions. The toluene disproportionation process attains a single-pass para-xylene product over 95% coupled with a toluene conversion of at least 15%. The present invention also includes the highly para-selective catalyst which results from the treatment of a catalytic molecular sieve with a high efficiency p-xylene selectivating agent under the recited conditions.
摘要翻译： 用于形状选择性烃转化的方法和催化剂，例如甲苯对对二甲苯的区域选择性歧化，其中待转化的烃将通过催化分子筛，催化分子筛用包含甲苯和含硅高效p的反应流选择 甲苯转化条件下的二甲苯选择剂。 甲苯歧化过程达到95％以上的单程对二甲苯产物，甲苯转化率至少为15％。 本发明还包括在所述条件下用高效对二甲苯选择性催化剂处理催化分子筛的高度对位选择性催化剂。
-
公开(公告)号：US5475179A
公开(公告)日：1995-12-12
申请号：US233542
申请日：1994-05-05
IPC分类号： B01J29/40 , B01J29/44 , B01J31/02 , B01J31/12 , C07C1/20 , C07C2/12 , C07C2/66 , C07C5/27 , C07C5/41 , C07C6/12 , C07C45/54 , C10G45/64 , C10G50/00 , C07C5/52
CPC分类号： B01J31/124 , B01J29/40 , B01J29/44 , B01J31/0274 , C07C1/20 , C07C2/12 , C07C2/66 , C07C45/54 , C07C5/2708 , C07C5/41 , C07C6/123 , C07C6/126 , C10G45/64 , C10G50/00 , B01J2229/12 , B01J2229/42 , C07C2529/40 , Y02P20/52
摘要： A method for the selective disproportionation of a substituted aromatic compound wherein the aromatic compound is passed over a catalytic molecular sieve which has been pre-selectivated with a silicon deposit and then subsequently treated with a silicon-containing, high efficiency p-xylene selectivating agent at conversion conditions. The present invention attains para-xylene product over 95% at a toluene conversion of at least 20%. The present invention also includes the highly para-selective catalyst which results from the pre-selectivation and subsequent treatment of a catalytic molecular sieve with a high efficiency p-xylene selectivating agent under the recited conditions.
摘要翻译： 一种用于选择性歧化取代的芳族化合物的方法，其中芳族化合物通过已经用硅沉积物预选择的催化分子筛，然后随后用含硅的高效对二甲苯选择性剂处理 转换条件。 本发明在甲苯转化率达到至少20％时达到95％以上的对二甲苯产物。 本发明还包括高度对位选择性催化剂，其由所述条件下的预选择和随后处理具有高效对二甲苯选择性的催化分子筛产生。
-
公开(公告)号：US5457257A
公开(公告)日：1995-10-10
申请号：US243421
申请日：1994-05-13
IPC分类号： C07C2/62
CPC分类号： C07C2/62 , C07C2527/1206 , C07C2527/1213 , C07C2531/02 , C07C2531/04
摘要： A process for alkylating an isoparaffin with an olefin in the presence of a catalyst comprising HF, BF.sub.3, and a hydroxylic promoter wherein the total acid dosage as defined herein is less than about 1 weight percent of the total hydrocarbon reactants and the molar ratio of BF.sub.3 to the sum of the moles of HF and hydroxylic promoter is greater than zero and less than about 1.
摘要翻译： 在包含HF，BF 3和羟基促进剂的催化剂存在下，用烯烃烷基化异链烷烃的方法，其中如本文所定义的总酸量小于总烃反应物的约1重量％，并且BF 3 到HF和羟基促进剂的摩尔数的总和大于零且小于约1。
-
9.发明授权Shape selective hydrocarbon conversion over pre-selectivated, activated catalyst 失效形状选择性烃转化超过预选择的活化催化剂
公开(公告)号：US5455213A
公开(公告)日：1995-10-03
申请号：US272359
申请日：1994-07-08
CPC分类号： C07C6/123 , B01J29/40 , B01J2229/12 , B01J2229/123 , B01J2229/32 , B01J2229/42
摘要： A process for a shape selective hydrocarbon conversion such as toluene disproportionation involves contacting a reaction stream under conversion conditions with a catalytic molecular sieve which has been pre-selectivated and concurrently activated by contact with a substantially aqueous solution of an organosilicon compound. The invention also includes a method for concurrently preselectivating and activating a catalyst and the shape selectivated, activated catalyst which results from this method.
摘要翻译： 形成选择性碳氢化合物转化的方法如甲苯歧化过程包括使转化条件下的反应物流与催化分子筛接触，所述催化分子筛已经预选择并通过与基本上有机硅化合物的水溶液接触同时活化。 本发明还包括同时预选择和活化催化剂和由该方法产生的形状选择活化的催化剂的方法。
-
10.发明授权Shape selective hydrocarbon conversion over pre-selectivated, activated catalyst 失效形状选择性烃转化超过预选择的活化催化剂
公开(公告)号：US5349113A
公开(公告)日：1994-09-20
申请号：US22205
申请日：1993-02-25
CPC分类号： C07C6/123 , B01J29/40 , B01J2229/12 , B01J2229/123 , B01J2229/32 , B01J2229/42
摘要： A process for a shape selective hydrocarbon conversion such as toluene disproportionation involves contacting a reaction stream under conversion conditions with a catalytic molecular sieve which has been pre-selectivated and concurrently activated by contact with a substantially aqueous solution of an organosilicon compound. The invention also includes a method for concurrently preselectivating and activating a catalyst and the shape selectivated, activated catalyst which results from this method.
摘要翻译： 形成选择性碳氢化合物转化的方法如甲苯歧化过程包括使转化条件下的反应物流与催化分子筛接触，所述催化分子筛已经预选择并通过与基本上有机硅化合物的水溶液接触同时活化。 本发明还包括同时预选择和活化催化剂和由该方法产生的形状选择活化的催化剂的方法。
-
-
-
-
-
-
-
-
-
搜索结果
53 条记录 (耗时 0.028 秒)
