-
1.发明授权
公开(公告)号：US4816243A
公开(公告)日：1989-03-28
申请号：US113957
申请日：1987-10-29
IPC分类号： B01J23/22 , B01J23/847 , C01G31/00 , C01G37/00 , C01G45/00 , C01G49/00 , C01G51/00 , C01G53/00 , C07C5/333 , C01F1/00
CPC分类号： C07C5/3332 , B01J23/22 , B01J23/8472 , C01G31/00 , C01G33/006 , C01G35/006 , C01G37/006 , C01G49/009 , C01P2002/32 , C01P2002/34 , C01P2002/82 , C01P2006/60 , C01P2006/80 , Y02P20/52 , Y10S502/524 , Y10S502/525
摘要： Disclosed is making a particular inorganic crystalline vanadium III oxidic compound from a pentavalent vanadium compound and at least one other or more metal cations, which process comprises (1) reducing a pentavalent vanadium oxidic compound to the V.sup.III state by heating at 100.degree. C. or less an aqueous medium slurry or solution of said pentavalent compound containing a reducing agent selected from hydrazine and hydrocarbylhydrazine, (2) providing in said aqueous medium, either before, during or after said reducing step, said other metal cation(s) in solution in the ratio called for by said particular crystalline compound, (3) removing the liquid aqueous medium, and (4) calcining the resulting dry solid at a temperature in the range from 400.degree. to 800.degree. C. in an inert atmosphere.Also disclosed is the vapor phase catalytic dehydrogenation of paraffins using certain spinels and perovskites as catalysts.
摘要翻译： 公开了从五价钒化合物和至少一种其它或多种金属阳离子制备特定的无机结晶钒III氧化物，该方法包括（1）通过在100℃下加热将五价钒氧化化合物还原成VIII态，或 少量含有选自肼和烃基肼的还原剂的所述五价化合物的水性介质浆液或溶液，（2）在所述还原步骤之前，期间或之后在所述水性介质中提供溶液中的所述其它金属阳离子 所述特定结晶化合物所要求的比例，（3）除去液体水性介质，和（4）在惰性气氛中在400-800℃的温度下煅烧所得干燥固体。 还公开了使用某些尖晶石和钙钛矿作为催化剂的石蜡的气相催化脱氢。
-
公开(公告)号：US4788317A
公开(公告)日：1988-11-29
申请号：US47949
申请日：1987-05-08
IPC分类号： B01J23/30 , B01J23/88 , B01J23/888 , B01J27/057 , C07C120/14
CPC分类号： B01J23/8898 , B01J23/30 , B01J23/888 , B01J27/057 , C07C253/24 , B01J2523/00 , Y02P20/52
摘要： Disclosed is a process for ammoxidation of paraffins containing 3-5 C atoms using a complex metal oxide catalyst which is essentially free of bismuth, and has the elements and the proportions which are represented by the following empirical formula:VSb.sub.m P.sub.n A.sub.a D.sub.b C.sub.c O.sub.xwhereA is one of more of W, Sn, B, Mo and As;D is one or more of Fe, Co, Ni, Cr, Mn, Cu, Pb, Zn, Se, Te and As;C is one or more of an alkali metal, Ca, Sr, Ba, T1 and where m is greater than 1 and up to 20; n is 0-10; a is 0.2-10; b is 0-5; c is 0-1; a is equal to or less than m; b is equal to or less than m; wherein x is determined by oxidation state of the other elements present, and wherein the antimony has an average valency higher than +3 and the vanadium has an average valency lower than +5, wherein A includes at least 0.2 atoms of W, crystalline Sb.sub.2 O.sub.4 is present in said catalyst, and wherein the foregoing catalyst is on a specified inorganic oxide support material.
摘要翻译： 公开了使用基本上不含铋的复合金属氧化物催化剂使含有3-5个C原子的链烷烃进行氨氧化的方法，并且具有由以下经验式表示的元素和比例：VSbmPnAaDbCcOx其中A是更多的一种 的W，Sn，B，Mo和As; D是Fe，Co，Ni，Cr，Mn，Cu，Pb，Zn，Se，Te和As中的一种或多种; C是碱金属，Ca，Sr，Ba，T1中的一种或多种，其中m大于1且高达20; n为0-10; a为0.2-10; b为0-5; c为0-1; a等于或小于m; b等于或小于m; 其中x由存在的其它元素的氧化态决定，其中锑的平均价高于+3，钒的平均价低于+5，其中A包含至少0.2个W原子，结晶Sb 2 O 4为 存在于所述催化剂中，并且其中上述催化剂在特定的无机氧化物载体材料上。
-
公开(公告)号：US4743706A
公开(公告)日：1988-05-10
申请号：US663822
申请日：1984-10-22
IPC分类号： C07C67/317
CPC分类号： C07C67/317
摘要： This invention relates to a novel vapor phase process for the production of unsaturated acids and esters, such as acrylic acid and methyl acrylate, by reacting a primary alcohol with a saturated monocarboxylic acid, ester, or anhydride in the presence of oxygen over a solid catalyst.
摘要翻译： 本发明涉及通过在氧气存在下使伯醇与饱和一元羧酸，酯或酸酐在固体催化剂上反应来生产不饱和酸和酯如丙烯酸和丙烯酸甲酯的新型气相方法 。
-
4.发明授权Process for the oxidation of olefins using catalysts containing various promoter elements 失效使用含有各种启动子元素的催化剂进行烯烃氧化的方法
公开(公告)号：US4556731A
公开(公告)日：1985-12-03
申请号：US369371
申请日：1982-04-19
CPC分类号： B01J23/888 , B01J23/88 , B01J23/8993 , B01J27/186 , C07C45/35 , C07C51/252 , B01J2523/00
摘要： Iron-bismuth-molybdate catalysts further containing specific promoter elements have been found to exhibit excellent redox stability even under high stress conditions in the catalytic oxidation of olefins to unsaturated aldehydes and acids.
摘要翻译： 进一步含有特定促进剂元素的钼酸铋催化剂，即使在烯烃催化氧化成不饱和醛和酸的高应力条件下也表现出优异的氧化还原稳定性。
-
公开(公告)号：US4322368A
公开(公告)日：1982-03-30
申请号：US107941
申请日：1979-12-28
IPC分类号： B01J27/18 , C07C120/14 , C07C120/00 , C07C121/32
CPC分类号： B01J27/1817 , C07C253/26 , Y02P20/52
摘要： Oxide complexes comprising copper-promoted antimony phosphates have been found to exhibit significant catalytic activity in various oxidation-type reactions such as the ammoxidation of propylene to produce acrylonitrile.
摘要翻译： 已经发现包含铜促进的锑磷酸盐的氧化物络合物在各种氧化型反应中表现出显着的催化活性，例如丙烯的氨氧化以产生丙烯腈。
-
6.发明授权
公开(公告)号：US4762961A
公开(公告)日：1988-08-09
申请号：US88918
申请日：1987-08-21
IPC分类号： B01J23/22 , B01J23/847 , C01G31/00 , C01G37/00 , C01G45/00 , C01G49/00 , C01G51/00 , C01G53/00 , C07C5/333
CPC分类号： C07C5/3332 , B01J23/22 , B01J23/8472 , C01G31/00 , C01G37/006 , C01G45/006 , C01G49/009 , C01G51/006 , C01G53/006 , C01P2002/32 , C01P2002/34 , C01P2006/60 , C01P2006/82 , Y02P20/52
摘要： The vapor phase dehydrogenation of hydrocarbons is achieved with a spinel of the formula AV.sub.2-x C.sub.x O.sub.4 where A is a bivalent metal, V is vanadium substantially in +3 oxidation state, C is a trivalent metal, or with a crystalline perovskite DV.sub.1-y C.sub.y O.sub.3 where D is one or more of Y, the rare earths and Bi, and V is again vanadium in +3 oxidation state.
摘要翻译： 烃的气相脱氢用式AV2-xCxO4的尖晶石实现，其中A是二价金属，V是基本上是+3氧化态的钒，C是三价金属，或者是结晶钙钛矿型DV1-yCyO3，其中D 是Y中的一种或多种，稀土和Bi，V再次为+3氧化态的钒。
-
公开(公告)号：US4746641A
公开(公告)日：1988-05-24
申请号：US724226
申请日：1985-04-17
IPC分类号： B01J23/22 , B01J23/30 , B01J23/88 , B01J23/888 , B01J27/057 , B01J21/02 , B01J21/08 , B01J27/198
CPC分类号： B01J23/8898 , B01J23/30 , B01J23/888 , B01J27/057 , C07C253/24 , B01J2523/00 , Y02P20/52
摘要： Disclosed is a process for ammoxidation of paraffins containing 2-5 C atoms over a vanadium-antimony oxide catalyst, the catalyst, and a precursor slurry for making such catalyst.
摘要翻译： 公开了一种在钒 - 锑氧化物催化剂，催化剂和用于制备这种催化剂的前体浆料上含有2-5个C原子的链烷烃的氨氧化方法。
-
8.发明授权
公开(公告)号：US4737355A
公开(公告)日：1988-04-12
申请号：US941881
申请日：1986-12-15
IPC分类号： B01J23/22 , B01J23/847 , C01G31/00 , C01G37/00 , C01G45/00 , C01G49/00 , C01G51/00 , C01G53/00 , C07C5/333 , C01F1/00
CPC分类号： C01G53/006 , B01J23/22 , B01J23/8472 , C01G31/00 , C01G31/006 , C01G37/006 , C01G45/006 , C01G49/009 , C01G51/006 , C07C5/3332 , C01P2002/32 , C01P2002/34 , C01P2006/60 , C01P2006/80 , Y02P20/52 , Y10S502/524 , Y10S502/525
摘要： Disclosed is making an inorganic crystalline vanadium III oxidic compound from a pentavalent vanadium compound, which process comprises (1) reducing a pentavalent vanadium oxidic compound to substantially the V.sup.III state by heating at 100.degree. C. or less an aqueous medium slurry or solution of said pentavalent compound containing a reducing agent selected from hydrazine and hydrocarbylhydrazine, (2) providing in said aqueous medium, either before, during or after said reducing step, other metal cations in solution in the ratio called for by the desired crystalline compound, (3) removing the liquid aqueous medium, and (4) calcining the resulting dry solid at a temperature in the range from 400.degree. to 800.degree. C. in an inert atmosphere.Also disclosed is the vapor phase catalytic dehydrogenation of paraffins using certain spinels and perovskites as catalysts.
摘要翻译： 公开了从五价钒化合物制备无机结晶钒III氧化物，该方法包括（1）通过在100℃或更低温度下将五价钒氧化化合物还原成基本上为VIII状态的水性介质浆液或所述 （2）在所述还原步骤之前，期间或之后在所述水性介质中提供所需结晶化合物所要求的比例的溶液中的其它金属阳离子，（3）在所述水性介质中， 除去液体水性介质，和（4）在惰性气氛中在400-800℃的温度下煅烧得到的干燥固体。 还公开了使用某些尖晶石和钙钛矿作为催化剂的石蜡的气相催化脱氢。
-
9.发明授权Molybdenum-promoted antimony phosphate oxide complex catalysts also containing at least one of bismuth and tellurium 失效还包含铋和碲中的至少一种的钼促进的磷酸锑复合催化剂
公开(公告)号：US4316856A
公开(公告)日：1982-02-23
申请号：US108327
申请日：1979-12-28
IPC分类号： B01J27/19 , C07C120/14 , C07C120/00
CPC分类号： C07C253/26 , B01J27/19 , Y02P20/52
摘要： Molybdenum-promoted antimony phosphates also containing at least one of tellurium and bismuth have been found to exhibit significant catalytic activity in various oxidation-type reactions.
摘要翻译： 已经发现还含有碲和铋中的至少一种的钼促进的锑磷酸盐在各种氧化型反应中表现出显着的催化活性。
-
10.发明授权Preparation of unsaturated acids and esters from saturated carboxylic acid derivatives and carbonyl compounds over catalysts containing V and Sb 失效由饱和羧酸衍生物和羰基化合物在含有V和Sb的催化剂上制备不饱和酸和酯
公开(公告)号：US4339598A
公开(公告)日：1982-07-13
申请号：US221588
申请日：1980-12-31
IPC分类号： C07C69/52 , B01J23/00 , B01J23/22 , C07B61/00 , C07C51/00 , C07C51/353 , C07C57/04 , C07C67/00 , C07C69/00 , C07C69/54 , C07C67/343
CPC分类号： B01J23/22 , C07C51/353
摘要： Vanadium-antimony catalysts have been found to be effective for the vapor phase condensation of saturated monocarboxylic acids or esters with formaldehyde, to produce unsaturated carboxylic acids or esters.
摘要翻译： 已经发现钒 - 锑催化剂对饱和一元羧酸或酯与甲醛的气相缩合有效，以产生不饱和羧酸或酯。
-
-
-
-
-
-
-
-
-
搜索结果
129 条记录 (耗时 0.032 秒)