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公开(公告)号：US4155920A
公开(公告)日：1979-05-22
申请号：US784003
申请日：1977-04-04
IPC分类号： C07D307/60 , B01J23/00 , B01J23/28 , B01J23/30 , B01J23/88 , B01J31/00 , C07B61/00 , C07C51/25 , C07C51/31
CPC分类号： B01J23/8876 , B01J23/28 , B01J23/30 , B01J23/887 , B01J23/8877 , C07C51/25 , C07C51/252 , C07C51/313 , B01J2523/00
摘要： Maleic anhydride is produced by the oxidation of 1,3-butadiene, n-butylenes, crotonaldehyde and furan with molecular oxygen in the vapor phase in the presence of catalytic oxides of antimony, molybdenum, at least one element selected from the group consisting of niobium, zirconium, titanium and tantalum and optionally a reducing agent capable of reducing at least part of the molybdenum in the catalyst to a valence state below +6 selected from the group consisting of hydrazine hydrate, molybdenum, tungsten, magnesium, aluminum, and nickel. This catalyst may optionally contain one or more elements selected from the group consisting of Li, Ag, Ce, Cd, Co, As, Si, Zn, Ge, Bi, Ru, Pt, U, Al and Ni. Especially desirable yields of maleic anhydride are obtained from 1,3-butadiene in the presence of a catalyst wherein molybdenum metal is used as a reducing agent.
摘要翻译： 马来酸酐通过在催化氧化锑，钼，至少一种选自铌的元素的存在下，在汽相中用分子氧氧化1,3-丁二烯，正丁烯，巴豆醛和呋喃来生产。 ，锆，钛和钽以及任选的能够将催化剂中的至少一部分钼还原成低于+6的价态的还原剂，其选自水合肼，钼，钨，镁，铝和镍。 该催化剂可任选地含有选自Li，Ag，Ce，Cd，Co，As，Si，Zn，Ge，Bi，Ru，Pt，U，Al和Ni中的一种或多种元素。 在其中使用钼金属作为还原剂的催化剂存在下，从1,3-丁二烯获得马来酸酐的特别理想的产率。
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2.发明授权Preparation of maleic anhydride from four-carbon hydrocarbons using Ti, P, O, containing catalyst 失效使用含有催化剂的Ti，P，O从四碳烃制备马来酸酐
公开(公告)号：US4085121A
公开(公告)日：1978-04-18
申请号：US784190
申请日：1977-04-04
IPC分类号： C07D307/60 , B01J21/06 , B01J27/00 , B01J27/18 , C07B61/00 , C07C51/215 , C07C51/25
CPC分类号： B01J21/063 , B01J27/1802 , C07C51/215 , C07C51/25 , C07C51/252
摘要： Vanadium-free catalysts consisting essentially of oxides of titanium and phosphorus have been found to be especially effective in the oxidation of n-butane, n-butenes and 1,3-butadiene with molecular oxygen in the vapor phase to yield maleic anhydride. The reaction with n-butane gives an especially pure product in good yield and selectivity.
摘要翻译： 已经发现基本上由钛和磷的氧化物组成的无钒催化剂在气相中用分子氧氧化正丁烷，正丁烯和1,3-丁二烯以产生马来酸酐特别有效。 与正丁烷的反应以良好的产率和选择性得到特别纯的产物。
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公开(公告)号：US4599430A
公开(公告)日：1986-07-08
申请号：US576294
申请日：1984-02-02
IPC分类号： C07D207/44 , C07D207/448 , C07D207/24
CPC分类号： C07D207/448 , C07C253/26 , C07C255/00 , C07C255/08 , Y02P20/582
摘要： A process is provided for the nitrogenation of hydrocarbons, resulting in the production of cyclic imides and nitriles from hydrocarbons contacted with molecular oxygen and a nitrogenating agent, including ammonia or primary amines, in the presence of an oxidation catalyst containing variable valency metal oxides, in the vapor phase at elevated temperature.
摘要翻译： 提供了一种用于烃的氮化的方法，从而在含有可变价金属氧化物的氧化催化剂的存在下，从与分子氧接触的烃和含氮化剂（包括氨或伯胺）生产环状酰亚胺和腈， 气相在高温下。
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公开(公告)号：US4292203A
公开(公告)日：1981-09-29
申请号：US130958
申请日：1980-03-17
IPC分类号： B01J23/28 , B01J23/30 , B01J23/88 , C07C51/25 , C07C51/31 , B01J27/24 , B01J23/10 , B01J23/14 , B01J29/06
CPC分类号： B01J23/8873 , B01J23/28 , B01J23/30 , B01J23/8876 , B01J23/8877 , C07C51/25 , C07C51/252 , C07C51/313 , B01J2523/00
摘要： Maleic anhydride is produced by the oxidation of 1,3-butadiene, n-butylenes, crotonaldehyde and furan with molecular oxygen in the vapor phase in the presence of catalytic oxides of antimony, molybdenum, at least one element selected from the group consisting of niobium, zirconium, titanium and tantalum and optionally a reducing agent capable of reducing at least part of the molybdenum in the catalyst to a valence state below +6 selected from the group consisting of hydrazine hydrate, molybdenum, tungsten, magnesium, aluminum, and nickel. This catalyst may optionally contain one or more elements selected from the group consisting of Li, Ag, Ce, Cd, Co, As, Si, Zn, Ge, Bi, Ru, Pt, U, Al and Ni. Preferred catalysts contain Nb, Zr, Ta or Ti in combination with Nb, Zr, or Ta. Especially desirable yields of maleic anhydride are obtained from 1,3-butadiene in the presence of a catalyst wherein molybdenum metal is used as a reducing agent.
摘要翻译： 马来酸酐通过在催化氧化锑，钼，至少一种选自铌的元素的存在下，在汽相中用分子氧氧化1,3-丁二烯，正丁烯，巴豆醛和呋喃来生产。 ，锆，钛和钽以及任选的能够将催化剂中的至少一部分钼还原成低于+6的价态的还原剂，其选自水合肼，钼，钨，镁，铝和镍。 该催化剂可任选地含有选自Li，Ag，Ce，Cd，Co，As，Si，Zn，Ge，Bi，Ru，Pt，U，Al和Ni中的一种或多种元素。 优选的催化剂含有Nb，Zr，Ta或Ti与Nb，Zr或Ta的组合。 在其中使用钼金属作为还原剂的催化剂存在下，从1,3-丁二烯获得马来酸酐的特别理想的产率。
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公开(公告)号：US4240931A
公开(公告)日：1980-12-23
申请号：US901888
申请日：1978-05-01
CPC分类号： B01J23/8876 , B01J23/28 , B01J23/30 , B01J23/887 , B01J23/8877
摘要： Maleic anhydride is produced by the oxidation of 1,3-butadiene, n-butylenes, crotonaldehyde and furan with molecular oxygen in the vapor phase in the presence of catalytic oxides of antimony, molybdenum, at least one element selected from the group consisting of niobium, zirconium, titanium and tantalum and optionally a reducing agent capable of reducing at least part of the molybdenum in the catalyst to a valence state below +6 selected from the group consisting of hydrazine hydrate, molybdenum, tungsten, magnesium, aluminum, and nickel. This catalyst may optionally contain one or more elements selected from the group consisting of Li, Ag, Ce, Cd, Co, As, Si, Zn, Ge, Bi, Ru, Pt, U, Al and Ni. Preferred catalysts contain Nb, Zr, Ta or Ti in combination with Nb, Zr, or Ta. Especially desirable yields of maleic anhydride are obtained from 1,3-butadiene in the presence of a catalyst wherein molybdenum metal is used as a reducing agent.
摘要翻译： 马来酸酐通过在催化氧化锑，钼，至少一种选自铌的元素的存在下，在汽相中用分子氧氧化1,3-丁二烯，正丁烯，巴豆醛和呋喃来生产。 ，锆，钛和钽以及任选的能够将催化剂中的至少一部分钼还原成低于+6的价态的还原剂，其选自水合肼，钼，钨，镁，铝和镍。 该催化剂可任选地含有选自Li，Ag，Ce，Cd，Co，As，Si，Zn，Ge，Bi，Ru，Pt，U，Al和Ni中的一种或多种元素。 优选的催化剂含有Nb，Zr，Ta或Ti与Nb，Zr或Ta的组合。 在其中使用钼金属作为还原剂的催化剂存在下，从1,3-丁二烯获得马来酸酐的特别理想的产率。
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公开(公告)号：US4350639A
公开(公告)日：1982-09-21
申请号：US258712
申请日：1981-04-29
IPC分类号： B01J23/22 , B01J27/198 , C07C51/215 , C07D307/60
CPC分类号： C07C51/215 , B01J23/002 , B01J23/22 , B01J27/198 , B01J2523/00
摘要： The present invention provides improved oxidation catalysts containing mixed oxides of vanadium and phosphorus and the method for the preparation thereof, which catalysts are particularly effective in the oxidation of n-butane, n-butenes, 1,3-butadiene or a mixture thereof with molecular oxygen or an oxygen-containing gas in the vapor phase to produce excellent yields of maleic anhydride with very good selectivity. At least one vanadium compound, a substantial portion of which is in the pentavalent state, and at least one phosphorus-containing compound is added to an organic liquid medium capable of reducing at least a portion of the vanadium to a +4 valence state, to form a reaction mixture. Partial reduction of the vanadium is effected in the presence of the phosphorus-containing compound and a highly ordered and uniform mixed vanadium phosphorus oxide-containing catalyst precursor is formed.
摘要翻译： 本发明提供了含有钒和磷的混合氧化物的改进的氧化催化剂及其制备方法，该催化剂在正丁烷，正丁烯，1,3-丁二烯或其与分子的混合物中的氧化中特别有效 氧气或含氧气体，以非常好的选择性产生优异的马来酸酐产率。 将至少一种钒化合物（其大部分为五价态）和至少一种含磷化合物加入到能够将至少一部分钒还原成+4价态的有机液体介质中，至 形成反应混合物。 在含磷化合物的存在下进行钒的部分还原，形成高度均匀的混合的含氧化钒的催化剂前体。
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公开(公告)号：US4250054A
公开(公告)日：1981-02-10
申请号：US691691
申请日：1976-06-01
IPC分类号： B01J23/28 , B01J23/30 , B01J23/32 , B01J23/34 , B01J23/36 , B01J23/68 , B01J23/88 , B01J23/887 , B01J23/888 , B01J23/89 , B01J27/199 , C07C51/25 , B01J23/10 , B01J23/22 , B01J27/18
CPC分类号： B01J23/8878 , B01J23/002 , B01J23/28 , B01J23/30 , B01J23/32 , B01J23/34 , B01J23/36 , B01J23/68 , B01J23/887 , B01J23/8885 , B01J23/8993 , B01J27/199 , C07C51/25 , C07C51/252 , B01J2523/00
摘要： The present invention relates to a process for the production of unsaturated aliphatic acids and the catalyst therefor, by the vapor phase oxidation of the corresponding unsaturated aliphatic aldehydes with molecular oxygen, optionally in the presence of steam, in the presence of an oxidation catalyst consisting of the oxides of the elements molybdenum, vanadium, tungsten and lanthanum, and optionally one or more of the oxides of the elements manganese, iron, copper, aluminum, cobalt, nickel, phosphorus, zinc, bismuth, silver, cadmium, niobium, arsenic, chromium, the alkali and the alkaline earth elements.
摘要翻译： 本发明涉及一种制备不饱和脂族酸及其催化剂的方法，通过相应的不饱和脂族醛与分子氧的气相氧化，任选地在蒸汽存在下，在氧化催化剂的存在下，在由 元素钼，钒，钨和镧的氧化物，以及锰，铁，铜，铝，钴，镍，磷，锌，铋，银，镉，铌，砷， 铬，碱和碱土元素。
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公开(公告)号：US4400522A
公开(公告)日：1983-08-23
申请号：US374219
申请日：1982-05-03
IPC分类号： B01J23/22 , B01J27/198 , C07C51/215 , C07C51/25 , C07D307/60
CPC分类号： B01J23/002 , B01J23/22 , B01J27/198 , C07C51/215 , C07C51/25 , C07C51/252 , B01J2523/00
摘要： The present invention provides a method for the preparation of oxidation catalysts containing mixed oxides of vanadium and phosphorus, which catalysts are particularly effective in the oxidation of n-butane, n-butenes, 1,3-butadiene or a mixture thereof with molecular oxygen or an oxygen-containing gas in the vapor phase to produce high yields of maleic anhydride with good selectivity. Vanadium phosphorus mixed oxide catalyst precursors prepared in solution in organic media are extracted from the organic media with water, with subsequent drying down to recover a precursor solid, or impregnation of a support with the aqueous solution.
摘要翻译： 本发明提供一种制备含有钒和磷的混合氧化物的氧化催化剂的方法，该催化剂在正丁烷，正丁烯，1,3-丁二烯或其与分子氧或其混合物的氧化中是特别有效的 气相中的含氧气体，以产生高产率的马来酸酐，具有良好的选择性。 在有机介质溶液中制备的钒磷混合氧化物催化剂前体用水从有机介质中萃取，随后干燥以回收前体固体，或用水溶液浸渍载体。
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公开(公告)号：US4360453A
公开(公告)日：1982-11-23
申请号：US210885
申请日：1980-11-28
IPC分类号： B01J23/22 , B01J27/198 , C07C51/215 , C07C51/25 , B01J27/14
CPC分类号： C07C51/252 , B01J23/002 , B01J23/22 , B01J27/198 , C07C51/215 , C07C51/25 , B01J2523/00
摘要： The present invention provides a method for the preparation of oxidation catalysts containing mixed oxides of vanadium and phosphorus, which catalysts are particularly effective in the oxidation of n-butane, n-butenes, 1,3-butadiene or a mixture thereof with molecular oxygen or an oxygen-containing gas in the vapor phase to produce high yields of maleic anhydride with good selectivity. Vanadium phosphorus mixed oxide catalyst precursors prepared in solution in organic media are extracted from the organic media with water, with subsequent drying down to recover a precursor solid, or impregnation of a support with the aqueous solution.
摘要翻译： 本发明提供一种制备含有钒和磷的混合氧化物的氧化催化剂的方法，该催化剂在正丁烷，正丁烯，1,3-丁二烯或其与分子氧或其混合物的氧化中是特别有效的 气相中的含氧气体，以产生高产率的马来酸酐，具有良好的选择性。 在有机介质溶液中制备的钒磷混合氧化物催化剂前体用水从有机介质中萃取，随后干燥以回收前体固体，或用水溶液浸渍载体。
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10.发明授权Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by water reflux techniques 失效使用通过水回流技术制备的催化剂从四碳烃生产马来酸酐
公开(公告)号：US4219484A
公开(公告)日：1980-08-26
申请号：US953660
申请日：1978-10-23
IPC分类号： B01J27/198 , B01J27/199 , C07C51/215 , C07C51/25 , C07D307/60
CPC分类号： B01J23/002 , B01J27/198 , B01J27/199 , C07C51/215 , C07C51/25 , C07C51/252 , B01J2523/00
摘要： Exceptionally reproducible catalysts comprising vanadium and phosphorus are obtained when the catalysts are prepared in an aqueous oxide slurry comprising vanadium, phosphorus and a mineral acid-free, inorganic reducing agent, which is capable of reducing the vanadium in the catalyst to a valence state below +5. Additional promoters may be selected from the group of elements of Group IB through VIB, VIII, lanthanides, actinides, and IA through VIA, excluding the elements H, N, O, C, Fr, Ra, and Po. Catalysts of particular interest consist of the elements vanadium, phosphorus, oxygen, and optionally at least one of Ta, Ce, Cr, Mn, Co, S, Cu, Sb, Fe, Bi, W, Mo, Hf, Zr, Th, an alkali metal and an alkaline earth metal.
摘要翻译： 当催化剂在包含钒，磷和无机酸的无机还原剂的水性氧化物浆料中制备时，可获得包含钒和磷的特别重复的催化剂，其能够将催化剂中的钒还原成低于+ 5。 除了元素H，N，O，C，Fr，Ra和Po之外，额外的启动子可以通过VIB，VIII，镧系元素，锕系元素和IA通过VIA选自IB族的元素组。 特别感兴趣的催化剂由元素钒，磷，氧和任选的Ta，Ce，Cr，Mn，Co，S，Cu，Sb，Fe，Bi，W，Mo，Hf，Zr，Th， 碱金属和碱土金属。
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