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1. 发明授权

US5689027A Selective ethylbenzene conversion 失效
标题翻译：选择性乙苯转化
公开(公告)号：US5689027A
公开(公告)日：1997-11-18
申请号：US557251
申请日：1995-11-14
申请人： Jeevan S. Abichandani , Jeffrey S. Beck , David H. Olson , P. Thomas Reischman , David L. Stern , Chaya R. Venkat
发明人： Jeevan S. Abichandani , Jeffrey S. Beck , David H. Olson , P. Thomas Reischman , David L. Stern , Chaya R. Venkat
IPC分类号： B01J29/40 , B01J29/44 , B01J29/65 , B01J29/70 , B01J31/02 , C07C2/12 , C07C2/66 , C07C4/18 , C07C5/27 , C07C6/12 , C07C15/08 , C07C5/22
CPC分类号： B01J29/40 , B01J29/44 , B01J29/80 , C07C15/00 , C07C15/067 , C07C15/08 , C07C2/12 , C07C2/66 , C07C4/18 , C07C5/2708 , C07C5/2724 , C07C6/123 , B01J2229/12 , B01J2229/32 , B01J2229/34 , B01J2229/42 , B01J29/65 , B01J29/70 , C07C2521/08 , C07C2529/06 , C07C2529/08 , C07C2529/18 , C07C2529/40 , C07C2529/65 , C07C2529/70 , Y02P20/52
摘要： A mixture of aromatic hydrocarbons, comprising ethylbenzene and at least one xylene, is treated to convert the ethylbenzene to compounds that may be removed from the aromatic hydrocarbon stream and to isomerize any xylenes present. The ethylbenzene conversion catalyst is one that is effective for ethylbenzene conversion with minimal xylene loss, e.g., a silica bound intermediate pore size zeolite that has been selectivated. The xylene isomerization catalyst is one which is effective to catalyze xylene isomerization. Each of the catalysts of this invention may contain one or more hydrogenation or dehydrogenation components.
摘要翻译：处理包含乙苯和至少一种二甲苯的芳族烃混合物，以将乙苯转化成可从芳族烃流中除去的化合物，并异构化存在的任何二甲苯。乙苯转化催化剂是对最少二甲苯损失的乙苯转化有效的催化剂，例如已选择的二氧化硅结合的中孔孔径沸石。二甲苯异构化催化剂是有效催化二甲苯异构化的催化剂。本发明的每种催化剂可以含有一种或多种氢化或脱氢组分。

2. 发明授权

US5382737A Selective ethylbenzene disproportionation process (SEBDP) with ex situ selectivated zeolite catalysts 失效
标题翻译：选择性乙苯歧化过程（SEBDP）与非原位选择性沸石催化剂
公开(公告)号：US5382737A
公开(公告)日：1995-01-17
申请号：US69257
申请日：1993-05-28
申请人： Jeffrey S. Beck , Sharon B. McCullen , David H. Olson , Chaya R. Venkat
发明人： Jeffrey S. Beck , Sharon B. McCullen , David H. Olson , Chaya R. Venkat
IPC分类号： B01J29/40 , B01J37/08 , C07C6/12 , C07C5/52
CPC分类号： B01J37/086 , B01J29/40 , C07C6/123 , B01J2229/12 , B01J2229/32 , B01J2229/42 , C07C2529/40
摘要： A process for shape selective hydrocarbon conversion that involves contacting a hydrocarbon feedsteam, including ethylbenzene, under conversion conditions with a catalytic molecular sieve which has been modified by being ex situ selectivated with a silicon compound. The ex situ selectivation involves exposing the molecular sieve to at least two silicon impregnation sequences, each sequence comprising an impregnation with a silicon compound followed by calcination. The modified catalyst used in the process may also be steamed. Optionally, the modified catalyst may be trim-selectivated.
摘要翻译：一种用于形状选择性烃转化的方法，其包括在转化条件下将烃类原料（包括乙苯）与通过用硅化合物进行非原位选择性修饰的催化分子筛接触。异位选择包括将分子筛暴露于至少两个硅浸渍序列，每个序列包含用硅化合物浸渍，然后煅烧。在该方法中使用的改性催化剂也可以蒸。任选地，修饰的催化剂可以是修剪选择的。

3. 发明授权

US5705726A Xylene isomerization on separate reactors 失效
标题翻译：在单独的反应器上进行二甲苯异构化
公开(公告)号：US5705726A
公开(公告)日：1998-01-06
申请号：US555693
申请日：1995-11-14
申请人： Jeeven S. Abichandani , Jeffrey S. Beck , Robert G. Bundens , Lloyd L. Breckenridge , David L. Stern , Chaya R. Venkat
发明人： Jeeven S. Abichandani , Jeffrey S. Beck , Robert G. Bundens , Lloyd L. Breckenridge , David L. Stern , Chaya R. Venkat
IPC分类号： B01J29/40 , B01J29/44 , B01J29/65 , B01J29/70 , B01J31/02 , C07C2/12 , C07C2/66 , C07C4/18 , C07C5/27 , C07C6/12 , C07C15/08 , C07C5/22
CPC分类号： C07C15/08 , B01J29/40 , B01J29/44 , B01J29/80 , C07C2/12 , C07C2/66 , C07C4/18 , C07C5/2708 , C07C5/2724 , C07C6/123 , B01J2229/12 , B01J2229/32 , B01J2229/34 , B01J2229/42 , B01J29/65 , B01J29/70 , C07C2521/08 , C07C2529/08 , C07C2529/18 , C07C2529/40 , C07C2529/65 , C07C2529/70 , Y02P20/52
摘要： A mixture of aromatic hydrocarbons, comprising ethylbenzene and at least one xylene, is isomerized using a two reactor system to convert the ethylbenzene to compounds that may be removed from the aromatic hydrocarbon stream and to produce a product stream wherein the para-xylene concentration is approximately equal to the equilibrium ratio of the para-isomer. The catalyst present in the first reactor is one that is effective for ethylbenzene conversion with minimal xylene loss when operated under suitable conversion conditions, e.g., a catalyst comprising silica bound ZSM-5 that has been selectivated by one or more silicon impregnations or that has been coke selectivated. The catalyst present in the second reactor is one which is effective to catalyze xylene isomerization when operated under suitable conditions. Each of the catalysts of this invention may contain one or more hydrogenation or dehydrogenation components.
摘要翻译：包含乙苯和至少一个二甲苯的芳族烃混合物使用两个反应器系统进行异构化，以将乙苯转化成可从芳烃流中除去的化合物，并产生产物流，其中对二甲苯浓度约为等于对位异构体的平衡比。存在于第一反应器中的催化剂是在合适的转化条件下操作时对于乙苯转化有效的最小二甲苯损失的催化剂，例如包含二氧化硅结合的ZSM-5的催化剂，其已被一种或多种硅浸渍选择或已被焦炭选择。存在于第二反应器中的催化剂是在合适条件下操作时有效催化二甲苯异构化的催化剂。本发明的每种催化剂可以含有一种或多种氢化或脱氢组分。

4. 发明授权

US5406015A Selective ethylbenzene disproportionation processes (SEBDP) with ex situ selectivated zeolite catalyst 失效
标题翻译：选择性乙苯歧化过程（SEBDP）与非原位选择性沸石催化剂
公开(公告)号：US5406015A
公开(公告)日：1995-04-11
申请号：US69260
申请日：1993-05-28
申请人： Jeffrey S. Beck , Sharon B. McCullen , David H. Olson , Chaya R. Venkat
发明人： Jeffrey S. Beck , Sharon B. McCullen , David H. Olson , Chaya R. Venkat
IPC分类号： B01J29/40 , B01J37/08 , C07C6/12 , C07C5/52
CPC分类号： C07C6/123 , B01J29/40 , B01J37/086 , B01J2229/12 , B01J2229/32 , B01J2229/36 , B01J2229/42 , C07C2529/40
摘要： A process for shape selective hydrocarbon conversion that involves contacting a hydrocarbon feedsteam, including ethylbenzene, under conversion conditions with a catalytic molecular sieve which has been modified by being ex situ selectivated with a silicon compound. The ex situ selectivation involves exposing the molecular sieve to at least two silicon impregnation sequences, each sequence comprising an impregnation with a silicon compound followed by calcination. The modified catalyst used in the process may also be steamed. Optionally, the modified catalyst may be trim-selectivated.
摘要翻译：一种用于形状选择性烃转化的方法，其包括在转化条件下将烃类原料（包括乙苯）与通过用硅化合物进行非原位选择性修饰的催化分子筛接触。异位选择包括将分子筛暴露于至少两个硅浸渍序列，每个序列包含用硅化合物浸渍，随后煅烧。在该方法中使用的改性催化剂也可以蒸。任选地，修饰的催化剂可以是修剪选择的。

5. 发明授权

US5516956A Dual bed xylene isomerization 失效
标题翻译：双床二甲苯异构化
公开(公告)号：US5516956A
公开(公告)日：1996-05-14
申请号：US342322
申请日：1994-11-18
申请人： Jeevan S. Abichandani , Chaya R. Venkat
发明人： Jeevan S. Abichandani , Chaya R. Venkat
IPC分类号： B01J29/04 , B01J29/44 , B01J29/65 , B01J29/70 , B01J31/02 , C07C4/18 , C07C5/27 , C07C15/00 , C07C15/067 , C07C15/08 , C07C5/22
CPC分类号： C07C15/08 , B01J29/44 , C07C15/00 , C07C15/067 , C07C4/18 , C07C5/2708 , B01J2229/12 , B01J2229/42 , B01J29/65 , B01J29/70 , C07C2529/06 , C07C2529/40 , C07C2529/65 , C07C2529/70 , Y02P20/52
摘要： A mixture of aromatic hydrocarbons, comprising ethylbenzene and at least one xylene, is isomerized using a two component catalyst system to convert the ethylbenzene to compounds that may be removed from the aromatic hydrocarbon stream and to produce a product stream wherein the para-xylene concentration is approximately equal to the equilibrium ratio of the para-isomer. The first catalyst comprises an intermediate pore size zeolite that is effective for ethylbenzene conversion. The first catalyst is preferably silica-bound. The second catalyst comprises an intermediate pore size zeolite, which further has a small crystal size and which is effective to catalyze xylene isomerization. Each of the catalysts of this invention may contain one or more hydrogenation/dehydrogenation component.
摘要翻译：使用双组分催化剂体系将包含乙苯和至少一种二甲苯的芳族烃混合物转化成可将乙苯转化成可从芳烃流中除去的化合物，并产生产物流，其中对二甲苯浓度为大约等于对位异构体的平衡比。第一种催化剂包括对乙苯转化有效的中等孔径的沸石。第一催化剂优选是二氧化硅结合的。第二种催化剂包括中等孔径的沸石，其进一步具有小的晶体尺寸并且有效催化二甲苯异构化。本发明的每种催化剂可以含有一种或多种氢化/脱氢组分。

6. 发明授权

US5569805A Catalytic conversion of aromatic compounds 失效
标题翻译：芳香族化合物的催化转化
公开(公告)号：US5569805A
公开(公告)日：1996-10-29
申请号：US441502
申请日：1995-05-15
申请人： Jeffrey S. Beck , Ernest W. Valyocsik , Chaya R. Venkat
发明人： Jeffrey S. Beck , Ernest W. Valyocsik , Chaya R. Venkat
IPC分类号： B01J29/04 , B01J29/70 , C01B39/12 , C01B39/46 , C01B39/48 , C07C2/58 , C07C2/66 , C07C5/22
CPC分类号： C01B39/12 , B01J29/04 , C01B39/48 , C07C2/58 , C07C2529/70
摘要： A process is provided for catalytic conversion of feedstock comprising aromatic compounds to product comprising aromatic compounds which differs from said feedstock. The catalyst required in the process comprises a crystalline material having the structure of MCM-58. Said crystalline material may have been treated with one or more monomeric or polymeric siloxane compounds which decompose to oxide or non-oxide ceramic or solid-state carbon species.
摘要翻译：提供了一种用于将包含芳族化合物的原料催化转化成包含与所述原料不同的芳族化合物的产物的方法。该方法中所需的催化剂包含具有MCM-58结构的结晶材料。所述结晶材料可以用分解为氧化物或非氧化物陶瓷或固态碳物质的一种或多种单体或聚合硅氧烷化合物进行处理。

7. 发明授权

US06909026B2 Process for liquid phase aromatics alkylation comprising in-situ catalyst reactivation with polar compounds 有权
标题翻译：液相芳烃烷基化方法，包括用极性化合物原位催化剂再活化
公开(公告)号：US06909026B2
公开(公告)日：2005-06-21
申请号：US10318882
申请日：2002-12-13
申请人： Ajit B. Dandekar , Thomas Francis Degnan , John P. McWilliams , Chaya R. Venkat
发明人： Ajit B. Dandekar , Thomas Francis Degnan , John P. McWilliams , Chaya R. Venkat
IPC分类号： C07C2/66 , C07C2/68
CPC分类号： C07C2/66 , C07C2529/08 , C07C2529/18 , C07C2529/40 , C07C2529/50 , C07C2529/65 , C07C2529/70 , Y02P20/584 , C07C15/073
摘要： The catalyst becomes at least partially deactivated by sorbing catalyst poisons present in the feed during a process for alkylating aromatics by contacting a feed containing benzene, toluene, xylenes, alkylbenzenes, naphthalene or substituted naphthalenes under liquid phase alkylating conditions with C2-C16 olefins in the presence of MCM-22, MCM-36, MCM-49, MCM-56, ZSM-5, ZSM-11, ZSM-12, ZSM-23, ZSM-35, ZSM-48, ZSM-50, ZSM-4, ZSM-18, ZSM-20, Zeolite X, Zeolite Y, USY, mordenite or offretite to provide an alkylated aromatic product. The at least partially deactivated catalyst can be treated in situ by contacting with at least one polar compound having a dipole moment of at least 0.05 Debyes and selected from the group consisting of acetic acid, formic acid, water, and carbon monoxide, under conditions of temperature and pressure employed in the liquid phase alkylating conditions which are sufficient to at least partially desorb the catalyst poison from the catalyst.
摘要翻译：在芳族化合物的烷基化方法中，通过在液相烷基化条件下将含有苯，甲苯，二甲苯，烷基苯，萘或取代萘的进料与C 2 H 2化合物接触，使催化剂至少部分失活，在MCM-22，MCM-36，MCM-49，MCM-56，ZSM-5，ZSM-11，ZSM-12，ZSM-23等的存在下， ZSM-35，ZSM-48，ZSM-50，ZSM-4，ZSM-18，ZSM-20，沸石X，沸石Y，USY，丝光沸石或黑斑，提供烷基化芳族产物。所述至少部分失活的催化剂可以通过与至少一种偶极矩至少为0.05德拜的极性化合物接触而原位处理，并选自乙酸，甲酸，水和一氧化碳，条件是在液相烷基化条件下使用的足以使催化剂毒物至少部分解吸的催化剂的温度和压力。

8. 发明授权

US5600048A Continuous process for preparing ethylbenzene using liquid phase alkylation and vapor phase transalkylation 失效
标题翻译：使用液相烷基化和气相烷基转移制备乙苯的连续方法
公开(公告)号：US5600048A
公开(公告)日：1997-02-04
申请号：US364145
申请日：1994-12-27
申请人： Jane C. Cheng , C. Morris Smith , Chaya R. Venkat , Dennis E. Walsh
发明人： Jane C. Cheng , C. Morris Smith , Chaya R. Venkat , Dennis E. Walsh
IPC分类号： B01J29/70 , C07C2/66 , C07C6/12 , C07C15/073
CPC分类号： C07C15/073 , C07C6/126 , C07C2529/40 , C07C2529/65 , C07C2529/70 , Y02P20/582
摘要： There is provided a process for preparing ethylbenzene using liquid phase alkylation and vapor phase transalkylation. The liquid phase alkylation reaction may be catalyzed by an acidic solid oxide, such as MCM-22, MCM-49 and MCM-56. The vapor phase transalkylation may be catalyzed by a medium-pore size zeolite such as ZSM-5. The process may be run continuously with the continuous introduction of fresh benzene feed containing at least 500 ppm of nonbenzene hydrocarbon impurities. The combined ethylbenzene product of these alkylation and transalkylation reactions has very low levels of impurities including xylene, hydrocarbons having 7 or less carbon atoms and hydrocarbons having 9 or more carbon atoms.
摘要翻译：提供了使用液相烷基化和气相烷基转移制备乙苯的方法。液相烷基化反应可以由酸性固体氧化物如MCM-22，MCM-49和MCM-56催化。气相烷基转移可以通过中等孔径的沸石催化，例如ZSM-5。该方法可以连续引入含有至少500ppm非苯烃杂质的新鲜苯进料而连续进行。这些烷基化和烷基转移反应的组合乙苯产物具有非常低的杂质含量，包括二甲苯，具有7个或更少碳原子的烃和具有9个或更多个碳原子的烃。

9. 发明授权

US5969143A Pyridine/picoline production process 失效
标题翻译：吡啶/甲基吡啶生产工艺
公开(公告)号：US5969143A
公开(公告)日：1999-10-19
申请号：US2363
申请日：1997-12-31
申请人： Arthur Chester , Scott Han , Dominick N. Mazzone , Chaya R. Venkat
发明人： Arthur Chester , Scott Han , Dominick N. Mazzone , Chaya R. Venkat
IPC分类号： C07D213/06 , C07B61/00 , C07C211/00 , C07D213/08 , C07D213/10 , C07D213/14 , C07G213/09
CPC分类号： C07C211/00 , C07D213/06 , C07D213/08 , C07D213/10 , C07D213/14 , C07B61/00
摘要： There is provided a high efficiency base synthesis process for shape selective production of pyridine and picoline products from ammonia and C.sub.1-5 carbonyl compounds. The process includes reacting ammonia and at least one C.sub.1-5 carbonyl reactant under suitable reaction conditions of temperature, pressure, and space velocity in the presence of a catalyst comprising a molecular sieve to produce a primary product comprising pyridine or picoline products and polyalkylpyridines or other higher molecular weight aromatic species, separating and collecting the pyridine or picoline products from the polyalkylpyridines or other higher molecular weight aromatic species, and circulating the polyalkylpyridines or other higher molecular weight aromatic species to the same or another catalyst under conversion conditions to yield additional pyridine or picoline products with substantially reduced amounts of polyalkylpyridines or other higher molecular weight aromatic species.
摘要翻译：提供了一种从氨和C 1-5羰基化合物形成选择性生产吡啶和甲基吡啶产物的高效碱基合成方法。该方法包括在包含分子筛的催化剂存在下，在温度，压力和空间速度的合适反应条件下使氨和至少一种C 1-5羰基反应物反应，以产生包含吡啶或甲基吡啶产物和聚烷基吡啶或其它较高分子量的芳族物质，从聚烷基吡啶或其它较高分子量的芳族物质中分离和收集吡啶或甲基吡啶产物，并将多烷基吡啶或其它较高分子量的芳族物质在转化条件下循环至相同或另一种催化剂，以产生额外的吡啶或具有大量减少量的聚烷基吡啶或其它较高分子量芳族物质的甲基吡啶产物。

10. 发明授权

US5902917A Alkylaromatics production 失效
标题翻译：烷基芳烃生产
公开(公告)号：US5902917A
公开(公告)日：1999-05-11
申请号：US980108
申请日：1997-11-26
申请人： Nick A. Collins , Dominick N. Mazzone , Chaya R. Venkat
发明人： Nick A. Collins , Dominick N. Mazzone , Chaya R. Venkat
IPC分类号： C07C6/12 , C07B61/00 , C07C2/64 , C07C15/073 , C07C15/085 , C07C1/00 , C07C2/68 , C07C5/22
CPC分类号： C07C15/073
摘要： There is provided a process for producing alkylaromatics, especially ethylbenzene and cumene, wherein a feedstock is first fed to a transalkylation zone and the entire effluent from the transalkylation zone is then cascaded directly into an alkylation zone along with an olefin alkylating agent, especially ethylene or propylene.
摘要翻译：提供了生产烷基芳族化合物，特别是乙苯和枯烯的方法，其中首先将原料进料到烷基转移区，然后将来自烷基转移区的整个流出物与烯烃烷基化试剂，特别是乙烯或其混合物直接级联到烷基化区丙烯。

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