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公开(公告)号：US06310240B1
公开(公告)日：2001-10-30
申请号：US09219944
申请日：1998-12-23
申请人： Rashmikant Maganlal Contractor , Mark William Andersen , Daniel Campos , Gerard Hecquet , Charlotte Pham , Michel Simon , Mireille Stojanovic , Roland Kotwica , Jean-Pierre Schirmann
发明人： Rashmikant Maganlal Contractor , Mark William Andersen , Daniel Campos , Gerard Hecquet , Charlotte Pham , Michel Simon , Mireille Stojanovic , Roland Kotwica , Jean-Pierre Schirmann
IPC分类号： C07C51235
摘要： An improved method for the selective vapor phase oxidation of acrolein to acrylic acid in a recirculating solids reactor system using a particulate molybdenum vanadate multimetal oxide as oxidant involving specific reactant concentrations (preferably 5 mol % to 30 mol % propylene, 0 to 20 mol % oxygen, 0 to 70 mol % water, and the remainder inert gas), solids particle size (20 to 300 micrometers), temperature (250 to 450° C.) and gas (1 to 15 seconds) and solids (2 to 60 seconds) residence times. Such a process leads to improved selectivity, conversion and solids conversion ratio.
摘要翻译： 在循环固体反应器系统中使用钼酸钒钼多金属氧化物作为氧化剂的丙烯醛选择性气相氧化的改进方法，其涉及特定的反应物浓度（优选5mol％至30mol％的丙烯，0至20mol％的氧气 ，0至70mol％的水，剩余的惰性气体），固体颗粒尺寸（20-300微米），温度（250-450℃）和气体（1至15秒）和固体（2至60秒） 停留时间 这种方法导致提高的选择性，转化率和固体转化率。
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2.发明授权Process for the manufacture of acrylic acid from acrolein by a redox reaction and use of a solid mixed oxide composition as redox system in the said reaction 失效通过氧化还原反应从丙烯醛制造丙烯酸的方法和在所述反应中使用固体混合氧化物组合物作为氧化还原体系
公开(公告)号：US6025523A
公开(公告)日：2000-02-15
申请号：US31700
申请日：1998-02-27
IPC分类号： B01J23/88 , C07B61/00 , C07C51/16 , C07C51/235 , C07C57/055
CPC分类号： C07C51/16 , B01J2523/00
摘要： Solid mixed oxides composition of formula (I):Mo.sub.12 V.sub.a Sr.sub.b W.sub.c Cu.sub.d Si.sub.e O.sub.x(I)2.ltoreq.a.ltoreq.14, 0.1.ltoreq.B.ltoreq.6, 0.ltoreq.c.ltoreq.12, 0.ltoreq.d.ltoreq.6, 0.ltoreq.e.ltoreq.15; x is the quantity of oxygen bonded to the other elements and depends on their oxidation states, are used in the manufacture of acrylic acid by oxidation of acrolein, the said solid composition reacting with acrolein according to the redox reaction (1):SOLID.sub.oxidized +ACROLEIN.fwdarw.SOLID.sub.reduced +ACRYLIC ACID(1).To manufacture acrylic acid, a gaseous mixture of acrolein and of water vapor and, if appropriate, of an inert gas is passed over a solid composition of formula (I), to conduct the redox reaction (1) by operating at a temperature of 200 to 500.degree. C., at a pressure of 1.01.times.10.sup.4 to 1.01.times.10.sup.6 Pa (0.1 to 10 atmospheres), and with a residence time of 0.01 second to 90 seconds, in the absence of molecular oxygen.
摘要翻译： 式（I）的固体混合氧化物组合物：Mo12VaSrbWcCudSieOx（I）2 固体还原+丙烯酸（1）。为了制备丙烯酸，将丙烯醛和水蒸气的气体混合物以及适当的惰性气体的气体混合物通过式（I）的固体组合物，以进行氧化还原反应 （1）在200〜500℃的温度下，在1.01×10 4〜1.01×10 6 Pa（0.1〜10个大气压）的压力下进行，停留时间为0.01秒〜90秒，在不存在分子 氧。
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3.发明授权Process for the manufacture of acrolein from propylene by a redox reaction and use of a solid mixed oxide composition as redox system in the said reaction 失效通过氧化还原反应从丙烯制造丙烯醛的方法和在所述反应中使用固体混合氧化物组合物作为氧化还原体系
公开(公告)号：US6080893A
公开(公告)日：2000-06-27
申请号：US31665
申请日：1998-02-27
IPC分类号： B01J23/88 , C07B61/00 , C07C45/28 , C07C45/35 , C07C47/22 , B01J23/28 , B01J23/18 , B01J23/31 , B01J23/54
CPC分类号： C07C45/28
摘要： A mixed oxide solid composition of formula (I):Mo.sub.12 W.sub.a Bi.sub.b Fe.sub.c Co.sub.d Ni.sub.e Si.sub.f K.sub.g Sn.sub.h O.sub.x (I)where O.ltoreq.a.ltoreq.5, 0.5.ltoreq.b.ltoreq.5, 0.1.ltoreq.c.ltoreq.10, 0.5.ltoreq.d.ltoreq.10, 0.ltoreq.e.ltoreq.10, 0.ltoreq.f.ltoreq.15, 0.ltoreq.g.ltoreq.1, 0.ltoreq.h.ltoreq.2 and x is the quantity of oxygen bonded to the other elements and depends on their oxidation states, is used in the manufacture of acrolein by oxidizing propylene, the solid composition reacting with propylene according to the redox reaction (1):solid.sub.oxidized +propylene.fwdarw.solid.sub.reduced +acrolein(I)To manufacture acrolein, gaseous propylene is passed over a solid composition of formula (I), to conduct the redox reaction (1) by operating at a temperature of 200 to 600.degree. C., at a pressure of 1.01.times.10.sup.4 to 1.01 to 10.sup.6 Pa (0.1 to 10 atmospheres) and with a residence time of 0.01 second to 90 seconds, in the absence of molecular oxygen.
摘要翻译： 式（I）的混合氧化物固体组合物：Mo12WaBibFecCodNieSifKgSnhOx（I）其中O 固体还原+丙烯醛（I ）为了制备丙烯醛，气态丙烯通过式（I）的固体组合物，通过在200至600℃的温度下操作，在1.01×10 4至1.01至106的压力下进行氧化还原反应（1） Pa（0.1〜10个大气压），停留时间为0.01秒〜90秒，不存在分子氧。
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4.发明授权Solid mixed oxide composition containing molybdenum, cobalt and bismuth, which is suitable for the manufacture of acrolein from propylene by a redox reaction 失效含有钼，钴和铋的固体混合氧化物组合物，适用于通过氧化还原反应从丙烯制备丙烯醛公开(公告)号：US06251821B1
公开(公告)日：2001-06-26
申请号：US09459888
申请日：1999-12-14
IPC分类号： B01J2300
摘要： A mixed oxide solid composition of the formulas (I): (a) Mo12Co4.7Bi1Ni2.6Fe3.7W0.5Sn0.5Si1K0.08Ox; (b) Mo12Co3.5Bi1.1Fe0.8W0.5Si1.4K0.05Ox; and (c) Mo12Co3.8Bi1.2Fe0.9W1.1Si1.5K0.05Ox, wherein x is the quantity of oxygen bonded to the other elements and depends on their oxidation states, is suitable for the manufacture of acrolein by oxidizing propylene. The solid composition reacts with propylene according to the redox reaction (1): solidoxidized+propylene→solidreduced+acrolein (1) To manufacture acrolein, gaseous propylene is passed over the solid composition. Redox reaction (1) is conducted at a temperature of 200 to 600° C., at a pressure of 1.01×104 to 1.01 to 106 Pa (0.1 to 10 atmospheres) and with a residence time of 0.01 second to 90 seconds, in the absence of molecular oxygen.
摘要翻译： 式（I）:( a）Mo12Co4.7Bi1Ni2.6Fe3.7W0.5Sn0.5Si1K0.08Ox的混合氧化物固体组合物;（b）Mo12Co3.5Bi1.1Fe0.8W0.5Si1.4K0.05Ox; 和（c）Mo12Co3.8Bi1.2Fe0.9W1.1Si1.5K0.05Ox，其中x是与其他元素结合并依赖于其氧化态的氧的量，适用于通过氧化丙烯制备丙烯醛。 固体组合物根据氧化还原反应（1）与丙烯反应：为了制备丙烯醛，气态丙烯通过固体组合物。 氧化还原反应（1）在200〜600℃的温度下，在1.01×10 4〜1.01〜10 6 Pa（0.1〜10个大气压）的压力下进行，停留时间为0.01秒〜90秒， 的分子氧。
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公开(公告)号：US06482383B1
公开(公告)日：2002-11-19
申请号：US09674574
申请日：2000-10-31
IPC分类号： C01B2116
CPC分类号： C01B21/16
摘要： A method for preparing hydrazine hydrate comprising: (a) reacting ammonia, hydrogen peroxide and methyl ethyl ketone in a working solution to form an azine; (b) separating the working solution from a mixture comprising the azine, methyl ethyl ketone oxime and optionally the methyl ethyl ketone which had not reacted; (c) recycling the working solution to step (a) after an optional treatment; (d) hydrolyzing the azine to obtain hydrazine hydrate and regenerating the methyl ethyl ketone; (e) recycling to step (a) the methyl ethyl ketone. In step (d) the methyl ethyl ketone oxime is purged.
摘要翻译： 一种制备水合肼的方法，包括：（a）在工作溶液中使氨，过氧化氢和甲基乙基酮反应形成吖嗪; （b）从包含吖嗪，甲基乙基酮肟和任选的未反应的甲基乙基酮的混合物中分离工作溶液; （c）在任选处理之后将工作溶液循环到步骤（a）; （d）水解吖嗪以获得水合肼并再生甲基乙基酮; （e）回收步骤（a）甲基乙基酮。 在步骤（d）中，清除甲基乙基酮肟。
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公开(公告)号：US5600039A
公开(公告)日：1997-02-04
申请号：US363553
申请日：1994-12-23
CPC分类号： C07C17/206 , Y02P20/582
摘要： The subject of the invention is a continuous process for the preparation of 1,1,1,2-tetrafluoroethane (134a) from 2-chloro-1,1,1-trifluoroethane (133a) and hydrofluoric acid in the gaseous phase in the presence of a chromium-based catalysts.According to the invention, the flow of gas leaving the reactor is subjected to a distillation in order to separate at the top a flow containing almost all the HC1 and at least 90% of the 134a produced by the reaction and at the bottom a flow containing at least 90% of the unconverted reactants (133a and HF), and the latter flow is recycled directly to the reactor, without any purifying operation.
摘要翻译： 本发明的主题是在2-氯-1,1,1-三氟乙烷（133a）中制备1,1,1,2-四氟乙烷（134a）和在气相中的氢氟酸的连续方法 的铬基催化剂。 根据本发明，离开反应器的气体流被进行蒸馏，以在顶部分离含有几乎所有的HC1和至少90％的通过反应产生的134a的流，并且在底部分离含有 至少90％的未转化的反应物（133a和HF），后者的流体直接再循环到反应器中，而无需任何净化操作。
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公开(公告)号：US4994583A
公开(公告)日：1991-02-19
申请号：US377806
申请日：1989-07-12
IPC分类号： C07D313/04 , B01J21/02 , C07B61/00 , C07D315/00
CPC分类号： C07D315/00 , Y02P20/582
摘要： Process for manufacturing .SIGMA.- caprolactone by oxidation of cyclohexanone by means of a crude C.sub.2 -C.sub.4 percarboxylic acid solution, resulting from the reaction of hydrogen peroxide on the corresponding carboxylic acid in the presence of a weak acid catalyst, with continuous elimination of water by azeotropic entrainment, characterized in that the molar ratio of cyclohexanone used to the percarboxylic acid is between about 0.50 to 0.99.
摘要翻译： 通过在弱酸催化剂存在下由过氧化氢在相应的羧酸上反应产生的粗C2-C4过羧酸溶液来环己酮的氧化制备SIGMA-己内酯的方法，通过共沸连续消除水 夹带，其特征在于使用的环己酮与过羧酸的摩尔比为约0.50至0.99。
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公开(公告)号：US4459240A
公开(公告)日：1984-07-10
申请号：US450002
申请日：1982-12-15
IPC分类号： C07C409/10 , B01J21/02 , B01J27/02 , C07B61/00 , C07C67/00 , C07C407/00 , C07C409/24 , C07C409/26 , C07C179/10
CPC分类号： C07C407/00 , C07C407/003
摘要： Process of preparing substantially anhydrous solutions of percarboxylic acids which comprises reacting hydrogen peroxide contained in an aqueous solution with a water miscible carboxylic acid in the presence of a catalyst and an azeotropic organic solvent, continuously removing the water added with the hydrogen peroxide and formed during the reaction by azeotropic distillation by way of a distillation column, and continuously injecting water into the top of the distillation column during at least the major portion of the reaction time, the quantity of the injected water being less than the quantity of the water removed by azeotrope distillation.
摘要翻译： 制备基本上无水的过羧酸溶液的方法，其包括在催化剂和共沸有机溶剂的存在下使包含在水溶液中的过氧化氢与水混溶性羧酸反应，连续除去加入过氧化氢并在 通过蒸馏塔进行共沸蒸馏反应，并在反应时间的至少大部分期间将水连续注入蒸馏塔的顶部，注入的水的量小于通过共沸物除去的水量 蒸馏。
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公开(公告)号：US4330485A
公开(公告)日：1982-05-18
申请号：US162936
申请日：1980-06-25
IPC分类号： B01J23/18 , B01J21/00 , B01J21/02 , B01J23/00 , B01J27/00 , B01J27/02 , C07B61/00 , C07C67/00 , C07C407/00 , C07C409/24 , C07C409/26 , C07D301/14 , C07C179/10
CPC分类号： C07D301/14 , C07C407/00 , C07C407/003 , C07C409/24
摘要： Process for preparation of percarboxylic acids by the reaction of hydrogen peroxide and a water-miscible carboxylic acid, in the presence of a solvent capable of forming a heteroazeotrope with water, and in the presence of a metalloid oxide catalyst.
摘要翻译： 在能够与水形成杂共聚物的溶剂存在下，以及在准金属氧化物催化剂存在下，通过过氧化氢和水混溶性羧酸的反应制备过羧酸的方法。
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公开(公告)号：US3943132A
公开(公告)日：1976-03-09
申请号：US406467
申请日：1973-10-15
IPC分类号： C07D213/77 , C07B43/00 , C07C20060101 , C07C67/00 , C07C241/00 , C07C251/76 , C07C251/82 , C07C251/84 , C07C251/86 , C07D20060101 , C07C109/14 , C07C109/16 , C07C109/18
CPC分类号： C07C249/16 , C07C251/76 , C07C251/84
摘要： This invention relates to a method of preparing hydrazones of the formula ##EQU1## in which R.sub.1 and R.sub.2, which may be identical or different, represent a linear alkyl radical of from 1 to 12 carbon atoms, a branched alkyl or cycloalkyl radical of from 3 to 12 carbon atoms, an aromatic radical of from 6 to 12 carbon atoms having a benzene or naphthalene nucleus, or a radical of from 5 to 12 carbon atoms having a pyridine nucleus, or R.sub.1 and R.sub.2 together form a linear or branched alkylene radical of from 3 to 12 carbon atoms in which one of the carbon atoms of the chain may be replaced by an oxygen atom, all of the above radicals being unsubstituted or substituted by one or more atoms or groups such as chlorine, bromine, fluorine, or iodine atoms or hydroxy, ether, carboxylic acid, carboxylic amide or ester, nitrile, nitro, or sulphonic acid or amide groups, or one of the two radicals R.sub.1 and R.sub.2 may be a hydrogen atom, and in which R.sub.3 and R.sub.4, which may be identical or different, represent a hydrogen atom, a linear alkyl or cycloalkyl radical of from 3 to 12 carbon atoms, in which one of the carbon atoms of the cycloalkyl radical may be replaced by an oxygen atom, or an aromatic hydrocarbon radical of from 6 to 12 carbon atoms or R.sub.3 and R.sub.4 together represent a linear or branched alkylene radical of from 3 to 11 carbon atoms, the above radicals being unsubstituted or substituted by atoms or groups such as chlorine, bromine, fluorine, ethylenic groups, nitro, hydroxy, alkoxy, or carboxylic acid or ester radicals , which comprises reacting a primary or secondary amine of the formulaWherein R.sub.1 and R.sub.2 are as defined above, ammonia, and a carbonyl compound of the formulaWherein R.sub.3 and R.sub.4 are as defined above, with a peroxide compound.
摘要翻译： 本发明涉及制备式R 1 R 3 ANGLE NN = C ANGLE（I）R 2 R 4的腙的方法，其中可以相同或不同的R 1和R 2表示1至12个碳原子的直链烷基，支链 具有3至12个碳原子的烷基或环烷基，具有苯或萘核的6至12个碳原子的芳族基团或具有吡啶核的5至12个碳原子的基团，或者R 1和R 2一起形成 具有3至12个碳原子的直链或支链亚烷基，其中链中的一个碳原子可以被氧原子代替，所有上述基团都是未取代的或被一个或多个原子或基团取代，例如氯 ，溴，氟或碘原子或羟基，醚，羧酸，羧酰胺或酯，腈，硝基或磺酸或酰胺基，或两个基团R 1和R 2之一可以是氢原子，其中 R3和R4可以相同或相同 不同的是氢原子，具有3-12个碳原子的直链烷基或环烷基，其中环烷基的一个碳原子可以被氧原子取代，或6-12的芳族烃基 碳原子或R3和R4一起表示具有3至11个碳原子的直链或支链亚烷基，上述基团是未取代的或被诸如氯，溴，氟，烯基，硝基，羟基，烷氧基， 或羧酸或酯基，其包括使式WHEREIN R 1和R 2如上所定义的伯胺或仲胺与氨过氧化合物与式WHEREIN R 3和R 4如上定义的羰基化合物反应。
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