-
1.发明授权Process for the preparation of catalytic systems for the oxidative dehydrogenation of alkylaromatics or paraffins 失效用于制备烷基芳族化合物或链烷烃的氧化脱氢催化体系的方法公开(公告)号：US06531638B2
公开(公告)日：2003-03-11
申请号：US09870655
申请日：2001-06-01
IPC分类号： B01J2110
CPC分类号： C07C5/48 , B01J21/10 , B01J23/18 , B01J23/22 , B01J37/0236 , B01J37/08 , C07C2521/10 , C07C2523/18 , C07C2523/22 , C07C11/02 , C07C15/40
摘要： Process for preparing catalytic systems consisting of: a vanadium oxide; a bismuth oxide; and a carrier consisting of magnesium oxide, comprising: preparing of solutions based on derivatives of the components of the catalytic system; mixing the solutions and optional aging; drying the solution; first heating, in the presence of air, of the solid obtained from the drying at a temperature ranging from room value to a temperature of between 290 and 310° C., for a time ranging from 1 to 3 hours; additional heating, in the presence of air, of the solid for a time ranging from 2 to 4 hours at the calcination temperature ranging from 600 to 850° C.; calcination, in the presence of air, of the solid at a constant temperature, ranging from 600 to 850° C., reached in the additional heating, for a time ranging from 8 to 16 hours.
摘要翻译： 制备催化体系的方法，包括：氧化钒;氧化铋;和由氧化镁组成的载体，包括：基于催化体系组分的衍生物制备溶液;混合溶液和任选的时效;干燥溶液 ;在空气存在下，首先在室温下从室温至290-310℃的温度下干燥所得固体1至3小时;另外加热， 在600至850℃的煅烧温度下将固体存在空气2至4小时;在空气存在下，在恒定温度下煅烧固体，范围为600至 850℃，在额外的加热中达到8至16小时。
-
公开(公告)号：US06696614B2
公开(公告)日：2004-02-24
申请号：US10309145
申请日：2002-12-04
IPC分类号： C07C600
CPC分类号： C10G11/04 , B01J23/002 , B01J23/02 , B01J2523/00 , C01F7/164 , C01P2002/70 , B01J2523/23 , B01J2523/31
摘要： Catalyst for steam cracking reactions consisting of pure mayenite having the general formula: 12CaO.7Al2O3 having an X-ray diffraction spectrum as indicated in Table I, obtained with a preparation process comprising the following steps: dissolution of salts containing calcium and aluminum with water; complexing of the dissolved salts by means of polyfunctional organic hydroxyacids; drying of the solution resulting from the completing in order to obtain a solid precursor product; calcination of the solid precursor product at a temperature ranging from 1300 to 1400° C. for at least two hours.
摘要翻译： 用于蒸汽裂解反应的催化剂，其由具有以下通式的纯钙铝石组成：具有表I所示的X射线衍射光谱，其制备方法包括以下步骤：用水溶解含钙和铝的盐; 通过多官能有机羟基酸溶解的盐;干燥由完成得到的溶液以获得固体前体产物;在1300-1400℃的温度下煅烧固体前体产物至少2小时。
-
公开(公告)号：US6005152A
公开(公告)日：1999-12-21
申请号：US285752
申请日：1999-04-05
IPC分类号： B01J29/04 , C07C2/66 , C07C6/12 , C07C15/00 , C07C15/02 , C07C1/00 , C07C2/64 , C07C2/68 , C07C5/22
CPC分类号： C07C15/02 , C07C2/66 , C07C6/126 , C07C2521/04 , C07C2529/70
摘要： A process is described for preparing monoalkylated aromatic compounds which comprises subjecting an aromatic hydrocarbon to alkylation with an olefin containing from 2 to 4 carbon atoms, or to transalkylation with a polyalkylaromatic hydrocarbon, in the presence of ERS-10 zeolite.
摘要翻译： 描述了制备单烷基化芳族化合物的方法，其包括在ERS-10沸石存在下，使芳族烃与含有2至4个碳原子的烯烃进行烷基化，或与聚烷基芳烃的烷基转移反应。
-
公开(公告)号：US07241931B2
公开(公告)日：2007-07-10
申请号：US11333201
申请日：2006-01-18
CPC分类号： B01J29/7034 , B01J29/90 , B01J38/56 , B01J2229/186 , B01J2229/26 , B01J2229/42 , C07C2/864 , C07C5/2737 , C07C6/126 , C07C15/24 , C07C2529/70 , C07C2602/10 , Y02P20/584
摘要： A highly selective process is described for preparing 2,6-dimethylnaphthalene which comprises reacting a naphthalene hydrocarbon selected from naphthalene, methylnaphthalenes, dimethylnaphthalenes, trimethylnaphthalenes, polymethylnaphthalenes, and/or their mixtures with one or more benzene hydrocarbons selected from benzene, toluene, xylenes, trimethylbenzenes, tetramethylbenzenes, pentamethylbenzene and/or hexamethylbenzene, under at least partially liquid phase conditions and in the presence of a catalytic composition comprising a zeolite belonging to the MTW structural type and at least one element selected from P, B and Si. The process is preferably carried out in the presence of a methylating agent.
摘要翻译： 描述了用于制备2,6-二甲基萘的高选择性方法，其包括将选自萘，甲基萘，二甲基萘，三甲基萘，聚甲基萘和/或其混合物的萘烃与一种或多种选自苯，甲苯，二甲苯， 三甲基苯，四甲基苯，五甲基苯和/或六甲基苯，在至少部分液相条件下和在包含属于MTW结构类型的沸石和选自P，B和Si中的至少一种元素的催化组合物存在下进行。 该方法优选在甲基化剂的存在下进行。
-
5.发明授权Catalytic composition and process for the alkylation and/or transalkylation of aromatic compounds 失效用于芳族化合物的烷基化和/或烷基转移的催化组合物和方法
公开(公告)号：US6034291A
公开(公告)日：2000-03-07
申请号：US988379
申请日：1997-12-10
CPC分类号： C07C6/126 , B01J29/04 , C07C2/66 , C07C2521/04 , C07C2521/08 , C07C2521/10 , C07C2521/16 , C07C2529/70
摘要： A catalytic composition is described for the alkylation and/or transalkylation of aromatic hydrocarbons consisting of beta zeolite, as such or modified by the isomorphous substitution of aluminum with boron, iron or gallium or by the introduction of alkaline and/or earth alkaline metals following an ion-exchange process, and an inorganic ligand, wherein the extrazeolite porosity, i.e. the porosity obtained by adding the mesoporosity and macroporosity fractions present in the catalytic composition itself, is such that a fraction of at least 25% is composed of pores with a radius higher than 100 .ANG., said composition being characterized by a total volume of extrazeolitic pores greater than or equal to 0.80 ml/g.
摘要翻译： 描述了一种催化组合物，用于烷基化和/或烷基转移由β沸石组成的芳族烃，如本文所述，或通过铝与硼，铁或镓的同晶取代或通过引入碱金属和/或碱土金属 离子交换过程和无机配体，其中超沸石孔隙率，即通过加入存在于催化剂组合物本身中的介孔度和大孔度组分获得的孔隙，使得至少25％的分数由具有半径的孔组成 所述组合物的特征在于大于或等于0.80ml / g的流出孔的总体积。
-
6.发明授权
公开(公告)号：US5977424A
公开(公告)日：1999-11-02
申请号：US64775
申请日：1998-04-23
申请人： Giovanni Colombo , Stefano Amarilli , Imre Kiricsi , Carlo Perego
发明人： Giovanni Colombo , Stefano Amarilli , Imre Kiricsi , Carlo Perego
CPC分类号： B01J29/049 , C07C2/66 , C07C2529/04 , C07C2529/05
摘要： A catalyst is disclosed which comprises a clay belonging to the family of smectites, containing multi-metal pillars, together with a process which uses such a catalyst for the alkylation of aromatic hydrocarbons by means of long chain linear olefins. The resulting alkyl-aromatic compounds are useful for preparing biodegradable synthetic detergents.
摘要翻译： 公开了一种催化剂，其包含属于蒙皂石族的粘土，其包含多金属柱，以及使用这种催化剂通过长链线性烯烃烷基化芳族烃的方法。 所得的烷基 - 芳族化合物可用于制备可生物降解的合成洗涤剂。
-
公开(公告)号：US5942613A
公开(公告)日：1999-08-24
申请号：US890677
申请日：1997-07-09
IPC分类号： B01J21/12 , B01J35/10 , C07B43/06 , C07B61/00 , C07D201/04
CPC分类号： B01J35/10 , B01J21/12 , C07D201/04 , B01J35/1023 , B01J35/1061
摘要： Process for the preparation of amides via the catalytic rearrangement of oximes which comprises putting an oxime in vapor phase in contact with a catalyst selected from a mesoporous silica-alumina having a molar ratio SiO/Al.sub.2 O.sub.2 of between 20 and 1000, an average pore diameter of between 20 and 100 .ANG. and an X-ray diffraction pattern (XRD) from powders which, after calcination, has the deepest reflection at d-spacing of more than 18 .ANG. (2.theta.
摘要翻译： 通过肟催化重排制备酰胺的方法，其包括将肟与气相中的肟与选自摩尔比SiO / Al 2 O 2的介孔二氧化硅 - 氧化铝的催化剂接触20至1000，平均孔径为 在20和100之间的ANGSTROM和来自粉末的X射线衍射图（XRD），其在煅烧之后在d间距处具有超过18个ANGSTROM（2θ<4.9°，CuKα辐射）的最深反射。
-
公开(公告)号：US5659105A
公开(公告)日：1997-08-19
申请号：US448252
申请日：1995-05-23
IPC分类号： C01B33/18 , B01J21/08 , B01J31/02 , B01J31/40 , B01J37/04 , B01J38/02 , B01J38/48 , C07B61/00 , C07C2/58 , C07C2/62 , C07F7/02
CPC分类号： B01J31/0274 , B01J31/0227 , B01J31/40 , C07C2/58 , C07C2/62 , B01J21/08 , B01J2231/323 , C07C2521/08 , C07C2531/025 , Y02P20/584
摘要： A process for the alkylation of aliphatic hydrocarbons with olefins catalyzed by a silica-based material, characterised in that the surface Si--OH groups of said silica are esterified with a fluoroalkylsulphonic acid of formula CF.sub.3 (CF.sub.2).sub.n SO.sub.3 H, where n is a whole number between 0 and 11, said material having a Hammett acidity Ho.ltoreq.-11.4.
摘要翻译： 一种用二氧化硅基材料催化的用烯烃烷基化脂族烃的方法，其特征在于所述二氧化硅的表面Si-OH基团用式CF 3（CF 2）n SO 3 H的氟代烷基磺酸酯化，其中n是整数 在0和11之间，所述材料具有哈米特酸度H H 11-14。
-
9.发明授权
公开(公告)号：US5444032A
公开(公告)日：1995-08-22
申请号：US124203
申请日：1993-09-21
IPC分类号： B01J21/12 , B01J23/40 , B01J35/10 , B01J37/03 , C07B37/08 , C07B61/00 , C07C5/27 , C07C9/22 , C10G45/62 , C10G45/64
CPC分类号： C10G45/62 , B01J21/12 , B01J23/40 , B01J35/1019 , B01J35/1023 , B01J35/1028 , B01J35/1038 , B01J37/033 , B01J37/036
摘要： An improved process for preparing a difunctional catalyst active, in the hydroisomerization of long-chain normal paraffins is disclosed, which is constituted by an amorphous silica-alumina gel and one or more metals belonging to Group VIIIIA.
摘要翻译： 公开了一种制备在长链正构链烷烃的加氢异构化中活性的双官能催化剂的改进方法，其由无定形二氧化硅 - 氧化铝凝胶和属于第VIIIIA族的一种或多种金属构成。
-
公开(公告)号：US5324878A
公开(公告)日：1994-06-28
申请号：US955472
申请日：1992-10-02
CPC分类号： C07C2/10 , B01J21/12 , B01J35/10 , B01J37/033 , C07C2521/12
摘要： Disclosed is a process for carrying out the selective dimerization of isobutene in order to produce alpha- and beta-di-isobutene dimer.sub.3, according to which process an isobutene stream is brought into contact, under dimerization conditions, with a solid silica gel/alumina catalyst which is amorphous when analyzed by X-ray diffraction, displays a molar ratio of SiO.sub.2 /Al.sub.2 O.sub.3 comprised within the range of from 30:1 to 500:1, has a surface-area comprised within the range of from 500 to 1000 m.sup.2 /g, a porosity of from 0.3 to 0.6 ml/g and an average pore diameter of approximately 10 .ANG. (.ANG.ngstrom), and is free from pores with a larger diameter than 30 .ANG..
摘要翻译： 公开了用于进行异丁烯的选择性二聚以产生α-和β-二异丁烯二聚体3的方法，根据该方法，使异丁烯料流在二聚条件下与固体硅胶/氧化铝催化剂接触 当通过X射线衍射分析时其是非晶的，显示出包含在30:1至500:1范围内的SiO 2 / Al 2 O的摩尔比，其表面积在500至1000m 2 / g的范围内 ，孔隙率为0.3至0.6ml / g，平均孔径约为10安培（ANGSTROM ngstrom），并且没有直径大于30安培的孔。
-
-
-
-
-
-
-
-
-
搜索结果
56 条记录 (耗时 0.025 秒)
