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21.发明授权High temperature calcination of selectivated molecular sieve catalysts for activity and diffusional modification 失效用于活性和扩散修饰的选择性分子筛催化剂的高温煅烧公开(公告)号：US07238636B2
公开(公告)日：2007-07-03
申请号：US10625322
申请日：2003-07-23
IPC分类号： B01J20/04
CPC分类号： C10G11/05 , B01J29/04 , B01J29/06 , B01J29/40 , B01J29/44 , B01J37/08 , B01J2229/12 , B01J2229/32 , B01J2229/40 , C07C5/2708 , C07C6/123 , C07C2529/40 , C07C2529/44 , C10G2300/1044 , C10G2300/1096 , C10G2400/30 , Y02P20/52 , C07C15/08
摘要： A method is disclosed for modifying a catalytic molecular sieve for shape-selective hydrocarbon conversions comprises: a) selectivating said catalytic molecular sieve by contacting with a silicon-containing selectivating agent; and b) calcining the selectivated catalytic molecular sieve at high temperature calcination conditions comprising temperatures greater than 700° C., which conditions are sufficient to reduce acid activity as measured by alpha value and increase diffusion barrier of said catalytic molecular sieve as measured by the rate of 2,3-dimethylbutane uptake, as compared to the selectivated catalyst. Catalytic molecular sieves thus prepared, such as silica-bound ZSM-5, and their use in hydrocarbon conversion processes such as aromatics isomerization, e.g., xylene isomerization, ethylbenzene conversion and aromatics disproportionation, e.g., toluene disproportionation are also disclosed.
摘要翻译： 公开了一种修饰用于形状选择性烃转化的催化分子筛的方法，包括：a）通过与含硅选择性剂接触来选择所述催化分子筛; 和b）在包括温度大于700℃的高温煅烧条件下煅烧所选择的催化分子筛，该条件足以降低由α值测量的酸活性，并增加所述催化分子筛的扩散阻挡，通过速率 与选择的催化剂相比，2,3-二甲基丁烷的吸收。 由此制备的催化分子筛，例如二氧化硅结合的ZSM-5，以及它们在烃转化方法中的用途，例如芳族化合物异构化，例如二甲苯异构化，乙苯转化和芳烃歧化，例如甲苯歧化。
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公开(公告)号：US06576582B1
公开(公告)日：2003-06-10
申请号：US08558309
申请日：1995-11-15
IPC分类号： B01J2906
CPC分类号： C07C6/123 , B01J29/40 , B01J37/086 , B01J2229/12 , B01J2229/32 , B01J2229/42 , C07C2/66 , C07C2/864 , C07C2529/06 , C07C2529/40 , C07C2529/65 , C07C2529/70 , Y02P20/52 , C07C15/02 , C07C15/00
摘要： There is provided a substantially binder-free 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 catalyst may be used in a hydrocarbon conversion process, such as toluene disproportionation.
摘要翻译： 提供了基本上不含粘合剂的催化分子筛，其通过用硅化合物进行异地选择而被改性。 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。 催化剂可用于烃转化过程中，例如甲苯歧化。
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公开(公告)号：US06504075B2
公开(公告)日：2003-01-07
申请号：US09767183
申请日：2001-01-22
IPC分类号： C07C552
CPC分类号： C01B39/38 , B01J29/04 , B01J29/40 , C01B39/40 , C07C5/2702 , C07C6/123 , C07C2529/40 , C07C15/067
摘要： A synthetic porous crystalline material has the structure of ZSM-5 and a composition involving the molar relationship: X2O3:(n)YO2, wherein X is a trivalent element; Y is a tetravalent element; and n is less than 25, and wherein the slope of the nitrogen sorption isotherm of the material at a partial pressure of nitrogen of 0.4 to 0.7 and a temperature 77° K is greater than 30. The material has a mesoporous surface area (MSA) greater than 45 m2/g and is useful as a catalyst in the liquid phase isomerization of xylene.
摘要翻译： 合成多孔结晶材料具有ZSM-5的结构和涉及摩尔关系的组成：其中X是三价元素; Y是四价元素; 并且n小于25，并且其中在氮分压为0.4至0.7且温度为77°K的材料的氮吸附等温线的斜率大于30.该材料具有介孔表面积（MSA） 大于45m 2 / g，可用作二甲苯液相异构化中的催化剂。
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公开(公告)号：US06180550B2
公开(公告)日：2001-01-30
申请号：US09218191
申请日：1998-12-22
IPC分类号： B01J2900
CPC分类号： C01B39/38 , B01J29/04 , B01J29/40 , C01B39/40 , C07C5/2702 , C07C6/123 , C07C2529/40 , C07C15/067
摘要： A synthetic porous crystalline material has the structure of ZSM-5 and a composition involving the molar relationship: X2O3:(n)YO2, wherein X is a trivalent element; Y is a tetravalent element; and n is less than 25, and wherein the slope of the nitrogen sorption isotherm of the material at a partial pressure of nitrogen of 0.4 to 0.7 and a temperature 77° K is greater than 30. The material has a mesoporous surface area (MSA) greater than 45 m2/g and is useful as a catalyst in the liquid phase isomerization of xylene.
摘要翻译： 合成多孔结晶材料具有ZSM-5的结构和涉及摩尔关系的组成：其中X是三价元素; Y是四价元素; 并且n小于25，并且其中在氮分压为0.4至0.7且温度为77°K的材料的氮吸附等温线的斜率大于30.该材料具有介孔表面积（MSA） 大于45m 2 / g，可用作二甲苯液相异构化中的催化剂。
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公开(公告)号：US5612270A
公开(公告)日：1997-03-18
申请号：US441517
申请日：1995-05-15
申请人： Jeffrey S. Beck , David L. Stern
发明人： Jeffrey S. Beck , David L. Stern
CPC分类号： B01J37/086 , B01J29/40 , B01J2229/42
摘要： There is provided zeolite catalyst, which is first selectivated with a siliceous material and then treated with an aqueous solution comprising ammonium or organoammonium ions under ion exchange conditions.
摘要翻译： 提供沸石催化剂，其首先用硅质材料选择，然后在离子交换条件下用包含铵或有机铵离子的水溶液处理。
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公开(公告)号：US07553790B2
公开(公告)日：2009-06-30
申请号：US11258440
申请日：2005-10-25
申请人： Jean W. Beeckman , Glenn R. Sweeten , Daria N. Lissy , David L. Stern , Stephen J. McCarthy , Dominick N. Mazzone , Christine N. Elia
发明人： Jean W. Beeckman , Glenn R. Sweeten , Daria N. Lissy , David L. Stern , Stephen J. McCarthy , Dominick N. Mazzone , Christine N. Elia
IPC分类号： B01J29/06
CPC分类号： B01J29/40 , B01J2229/42
摘要： The present invention describes a method to increase the activity of a catalyst by first performing an ion exchange step with a potassium ion, followed by performing an ion-exchange step with an ammonium ion. Specifically, the present invention describes a method to increase the acidity of a zeolite by incorporating a potassium salt ion-exchange prior to an ammonium salt ion-exchange step. Even more specifically, the present invention is drawn to a method of increasing the activity of a zeolite by employing more than one potassium ion exchanges followed by at least one ammonium ion exchange. The present invention also describes a method to reduce the amount of sodium normally found in commercially produced zeolite by employing any of these methods. The present invention is also drawn to the catalysts produced by any of these methods.
摘要翻译： 本发明描述了通过首先用钾离子进行离子交换步骤，然后用铵离子进行离子交换步骤来提高催化剂活性的方法。 具体地，本发明描述了通过在铵盐离子交换步骤之前引入钾盐离子交换来提高沸石的酸度的方法。 更具体地说，本发明涉及通过使用多于一种的钾离子交换，然后进行至少一种铵离子交换来提高沸石的活性的方法。 本发明还描述了一种通过使用任何这些方法来减少通常在商业生产的沸石中发现的钠的量的方法。 本发明还涉及通过任何这些方法制备的催化剂。
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公开(公告)号：US08114195B2
公开(公告)日：2012-02-14
申请号：US12455732
申请日：2009-06-05
申请人： Zheng Ni , John Zengel , David L. Stern
发明人： Zheng Ni , John Zengel , David L. Stern
CPC分类号： C07F5/022
摘要： A porous crystalline material has a tetrahedral framework comprising a general structure, M1-IM-M2, wherein M1 comprises a metal having a first valency, wherein M2 comprises a metal having a second valency different from said first valency, and wherein IM is imidazolate or a substituted imidazolate linking moiety.
摘要翻译： 多孔结晶材料具有包含一般结构M1-IM-M2的四面体骨架，其中M1包含具有第一价态的金属，其中M2包含具有不同于所述第一价态的第二价态的金属，并且其中IM为咪唑酸盐或 取代的咪唑酸酯连接部分。
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公开(公告)号：US20090007782A1
公开(公告)日：2009-01-08
申请号：US11795550
申请日：2006-01-23
申请人： David L. Stern , Bal K. Kaul , John Di-Yi Ou , Dana L. Pilliod
发明人： David L. Stern , Bal K. Kaul , John Di-Yi Ou , Dana L. Pilliod
IPC分类号： B01D53/047
CPC分类号： C10G49/007 , B01D53/0473 , C10G2300/1096 , C10G2400/30 , Y02P20/132
摘要： The management of hydrogen in hydrogen-containing streams associated with petrochemical process units wherein the hydrogen-containing stream is subjected rapid cycle pressure swing adsorption to increase the concentration of hydrogen therein.
摘要翻译： 与石化工艺单元相关的含氢气流中的氢的管理，其中含氢流经受快速循环变压吸附以增加其中的氢浓度。
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29.发明申请公开(公告)号：US20080282892A1
公开(公告)日：2008-11-20
申请号：US12080784
申请日：2008-04-04
IPC分类号： B01D53/047
CPC分类号： B01D53/0407 , B01D53/047 , B01D2253/102 , B01D2253/106 , B01D2253/31 , B01D2253/342 , B01D2256/24 , B01D2257/304 , B01D2257/404 , B01D2257/504 , C07C7/12 , C10L3/10 , C10L3/102 , Y02C10/08 , Y02P20/152 , C07C9/04
摘要： The present invention relates to engineered structured adsorbent contactors for use in pressure swing adsorption and thermal swing adsorption processes. Preferably, the contactors contain engineered and substantially parallel flow channels wherein 20 volume percent or less of the open pore volume of the contactor, excluding the flow channels, is in the mesopore and macropore range.
摘要翻译： 本发明涉及用于变压吸附和热变形吸附过程的工程化结构化吸附剂接触器。 优选地，接触器包含工程化和基本上平行的流动通道，其中不包括流动通道的接触器的开孔体积的20体积％或更少在中孔和大孔范围内。
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公开(公告)号：US07271118B2
公开(公告)日：2007-09-18
申请号：US10902322
申请日：2004-07-29
申请人： Brenda A. Raich , Robert A. Crane , Christine N. Elia , Teresa A. Jurgens-Kowal , Gary D. Mohr , David L. Stern
发明人： Brenda A. Raich , Robert A. Crane , Christine N. Elia , Teresa A. Jurgens-Kowal , Gary D. Mohr , David L. Stern
IPC分类号： B01J29/06 , B01J29/068
CPC分类号： C10G45/64 , B01J29/068 , B01J29/22 , B01J29/44 , B01J29/48 , B01J29/74 , B01J29/7415 , B01J29/7469 , B01J29/80 , B01J35/0006 , B01J2229/183 , B01J2229/32 , B01J2229/42 , C10G2300/1096 , C10G2300/4018 , C10G2400/30
摘要： A catalyst system that exhibits a ratio of ethylene saturation to aromatics ring saturation of greater than 3,500. The catalyst system comprises two components and each component comprises a crystalline molecular sieve having a Constraint Index of from about 1 to about 12 and an effective amount of Group VIII metal. The catalyst system finds particular application in ethylbenzene conversion/xylenes isomerization reactions. The catalyst system can be prepared by incorporating the Group VIII metal into the molecular sieves by competitive ion exchange.
摘要翻译： 表现出乙烯饱和度与芳烃环饱和度之比大于3,500的催化剂体系。 催化剂体系包含两种组分，每种组分包括具有约1至约12约束指数和有效量的第Ⅷ族金属的结晶分子筛。 催化剂体系特别适用于乙苯转化/二甲苯异构化反应。 可以通过竞争离子交换将VIII族金属掺入分子筛中来制备催化剂体系。
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