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公开(公告)号：US3956376A
公开(公告)日：1976-05-11
申请号：US420344
申请日：1973-11-29
IPC分类号： C07C57/05 , B01J23/84 , B01J23/88 , B01J27/057 , C07C27/00 , C07C27/14 , C07C45/00 , C07C45/35 , C07C47/22 , C07C51/00 , C07C51/25 , C07C57/055 , C07C67/00 , C07C51/26
CPC分类号： C07C45/35 , B01J23/84 , B01J23/88 , B01J27/0576 , C07C51/252 , B01J2523/00
摘要： An improved process for the production of acrolein from propylene and of acrylic acid from propylene or acrolein or mixtures of propylene and acrolein which essentially comprises catalytic oxidation of propylene and/or acrolein with oxygen or a gas containing molecular oxygen in the presence of an oxidation catalyst and of methanol in a quantity of from 0.01 to 1% by volume with respect to the total gaseous mixture of the reactants. Acrolein and acrylic acid are formed in the process at high conversion rates and selectivities.
摘要翻译： 用于由丙烯和丙烯酸从丙烯或丙烯醛或丙烯和丙烯醛的混合物制备丙烯醛的改进方法，其基本上包括丙烯和/或丙烯醛与氧或含有分子氧的气体在氧化催化剂存在下的催化氧化 和相对于反应物的总气体混合物的体积的0.01至1体积％的甲醇。 在高转化率和选择性的过程中形成丙烯醛和丙烯酸。
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2.发明授权
公开(公告)号：US3933686A
公开(公告)日：1976-01-20
申请号：US420351
申请日：1973-11-29
IPC分类号： C07C27/14 , B01J23/66 , B01J23/68 , C07B61/00 , C07C27/00 , C07C45/00 , C07C45/34 , C07C45/35 , C07C47/22 , C07C51/25 , C07C57/055 , C07C67/00 , C07C253/00 , C07C255/08 , B01J23/16 , B01J23/64
CPC分类号： C07C253/26 , B01J23/686 , C07C45/35 , C07C51/252 , Y02P20/52
摘要： A catalyst suitable for the production ofAcrylonitrile from propylene or acrolein,Acrylic acid from propylene or acrolein, andAcrolein from propyleneComprising silver oxide and molybdenum oxide in a molar ratio of from about 0.1 to about 2.0.The catalytic reactions using this new catalyst are directed towards the desired end product by variation of the molar ratio of silver oxide to molybdenum oxide.
摘要翻译： 一种适用于从丙烯或丙烯酸，丙烯酸或丙烯酸生产丙烯酸的催化剂，以及从包含氧化银和氧化钼的丙烯中提取丙烯腈，摩尔比为0.1至2.0左右。
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3.发明授权
公开(公告)号：US4025549A
公开(公告)日：1977-05-24
申请号：US521101
申请日：1974-11-05
IPC分类号： B01J23/28 , B01J23/30 , B01J23/31 , B01J23/34 , B01J23/88 , B01J23/887 , B01J23/888 , B01J27/186 , B01J35/08 , C07C51/25 , C07C57/05 , C07C57/055 , C07C67/39 , C07C69/54
CPC分类号： C07C51/252 , B01J23/28 , B01J23/30 , B01J23/31 , B01J23/34 , B01J23/8877 , B01J23/8878 , B01J23/8885 , B01J27/186 , B01J35/08 , C07C67/39 , B01J2523/00
摘要： Methyl acrylate alone or in mixture with acrylic acid is prepared by passing a gaseous stream containing methanol, acrolein and oxygen at a velocity of 5 to 50 cm/sec through a fluidized catalytic bed formed of spherical particles 15 to 100 .mu. in size, said particles comprising from 10 to 80 wt.% silica support, the remainder consisting of an active catalytic component defined by one of the general formulae:Mo.sub.a V.sub.b Me.sub.c O.sub.xMo.sub.a W.sub.d Me.sub.c O.sub.yMo.sub.a V.sub.b W.sub.d Me.sub.c O.sub.zwherein Me is Cr, Mn, Fe, Co, Ni, Cu, Zn, Ag, Cd, Au, Hg, Na, Ba, Ca, Ce, Bi, Th, U, Pb, Sb, Sn, P or B; and wherein a is a number from 6 to 12, b from 1 to 6, c from 0 to 5, d from 1 to 6, x from 20.5 to 58.5, y from 21 to 61.5 and z from 23.5 to 76.5.
摘要翻译： 单独或与丙烯酸混合的丙烯酸甲酯通过使含有甲醇，丙烯醛和氧气的气流以5至50cm / sec的速度通过由15至100μm尺寸的球形颗粒形成的流化催化床而制备，所述颗粒 包含10至80重量％的二氧化硅载体，其余由由以下通式之一限定的活性催化组分组成：
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4.发明授权Process for preparing methyl acrylate or mixtures of methyl acrylate and acrylic acid 失效制备丙烯酸甲酯或丙烯酸甲酯和丙烯酸的混合物的方法
公开(公告)号：US4014925A
公开(公告)日：1977-03-29
申请号：US521016
申请日：1974-11-05
IPC分类号： B01J23/28 , B01J23/30 , B01J23/88 , C07C45/35 , C07C51/25 , C07C57/055 , C07C67/39 , C07C69/54
CPC分类号： C07C51/252 , B01J23/28 , B01J23/30 , B01J23/887 , B01J23/8876 , B01J23/8877 , C07C45/35 , C07C67/39 , B01J2523/00
摘要： Methyl acrylate or a mixture of methyl acrylate with acrylic acid are prepared by passing through a fluidized bed of catalyst a gaseous mixture comprising acrolein, methanol and oxygen fed at the bottom of the catalytic bed. A further amount of methanol is fed at one intermediate point at least, between the top and bottom of the catalytic bed. The catalyst is defined by one of the general formulae:Mo.sub.a V.sub.b Me.sub.c O.sub.xMo.sub.a W.sub.d Me.sub.c O.sub.yMo.sub.a V.sub.b W.sub.d Me.sub.c O.sub.zWherein Me is Cr, Mn, Fe, Co, Ni, Cu, Zn, Ag, Cd, Au, Hg, Na, Ba, Ca, Ce, Bi, Th, U, Pb, Sb, Sn, P or B; and wherein a is a value from 6 to 12, b from 1 to 6, c from 0 to 5, d from 1 to 6, x from 20.5 to 58.5, y from 21 to 61.5 and z from 23.5 to 76.5.
摘要翻译： 丙烯酸甲酯或丙烯酸甲酯与丙烯酸的混合物是通过催化剂流化床将催化剂底部进料的丙烯醛，甲醇和氧气的气态混合物进行制备的。 至少在催化床的顶部和底部之间的一个中间点进料另外量的甲醇。 催化剂由以下通式之一定义：
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公开(公告)号：US3997600A
公开(公告)日：1976-12-14
申请号：US524834
申请日：1974-11-18
IPC分类号： B01J23/00 , B01J23/28 , B01J23/30 , B01J23/34 , B01J23/68 , B01J23/88 , B01J27/00 , B01J27/186 , C07B61/00 , C07C51/00 , C07C51/25 , C07C57/055 , C07C67/00 , C07C51/32
CPC分类号： B01J23/887 , B01J23/28 , B01J23/30 , B01J23/34 , B01J23/683 , B01J27/186 , C07C51/252 , B01J2523/00
摘要： Acrylic acid is prepared by contacting an oxidation catalyst with a gaseous mixture containing acrolein, oxygen and methanol. A proportion by volume from 0.05 to 0.5% methanol and a molar ratio of acrolein to methanol from 10:1 to 100:1 are maintained in the said mixture the catalyst is defined by one of the general formulae:Mo.sub.a V.sub.b Me.sub.c O.sub.xMo.sub.a W.sub.d Me.sub.c O.sub.yMo.sub.a V.sub.b W.sub.d Me.sub.c O.sub.zWherein Me is Cr, Mn, Fe, Co, Ni, Cu, Zn, Ag, Cd, Au, Hg, Na, Ba, Ca, Ce, Bi, Th, U, Pb, Sn, Sb, P or B; and wherein a is a value from 6 to 12, b from 1 to 6, c from 0 to 5, d from 1 to 6, x from 20.5 to 58.5, y from 21 to 61.5 and z from 23.5 to 76.5. The reaction is carried out at a temperature not exceeding 320.degree. C.
摘要翻译： 通过使氧化催化剂与含有丙烯醛，氧气和甲醇的气体混合物接触来制备丙烯酸。 在所述混合物中维持0.05至0.5％甲醇的体积比例和丙烯醛与甲醇的摩尔比为10:1至100:1，所述催化剂由以下通式之一限定：
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6.发明授权
公开(公告)号：US4388223A
公开(公告)日：1983-06-14
申请号：US251434
申请日：1981-04-06
IPC分类号： C07C57/05 , B01J23/28 , B01J23/34 , B01J23/88 , B01J27/057 , B01J27/19 , B01J27/195 , B01J27/198 , B01J27/199 , C07B35/04 , C07B61/00 , C07C1/00 , C07C5/333 , C07C5/48 , C07C11/00 , C07C11/12 , C07C45/00 , C07C45/34 , C07C45/35 , C07C47/21 , C07C47/22 , C07C51/00 , C07C57/07 , C07C67/00 , C07C253/00 , C07C255/08 , C07C255/51 , B01J23/10 , B01J23/86
CPC分类号： B01J23/8872 , B01J23/28 , B01J23/887 , B01J23/8871 , B01J23/8876 , B01J23/8878 , C07C253/26 , C07C253/28 , Y02P20/52
摘要： The catalyst comprises one or more molybdates of trivalent metals chosen from Fe, Al, Ce and Cr and/or molybdates of bivalent metals chosen from alpha manganese molybdate, beta cobalt molybdate, beta nickel molybdate and the molybdates of Zn, Mg and Ca, and one or more promoter elements chosen from Se, Te, As, Sb, V, Nb, Sn, Pb and Tl homogeneously distributed within the crystalline structure of said molybdates with distortion thereof without creating new crystalline phases.
摘要翻译： 催化剂包含一种或多种选自Fe，Al，Ce和Cr的三价金属钼酸盐和/或选自钼酸锰钼，钼酸钼钴，β钼酸镍和Zn，Mg和Ca的钼酸盐的二价金属钼酸盐，和 选自Se，Te，As，Sb，V，Nb，Sn，Pb和Tl的一种或多种助催化剂元素均匀地分布在所述钼酸盐的晶体结构中，同时具有变形，而不产生新的结晶相。
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7.发明授权Novel composition for use in agriculture as soil improvers and fertilizers and process for their production 失效用于农业的新型组合物，作为土壤改良剂和肥料及其生产过程
公开(公告)号：US4071347A
公开(公告)日：1978-01-31
申请号：US631275
申请日：1975-11-12
摘要： Novel compositions for use in agriculture as soil improvers and fertilizers comprising as essential components ammonium sulfate and ferric oxide hydrate. By-products obtained in the production of titanium dioxide from ilmenite or ilmenite slag in the sulfate process and substantially consisting of ferrous sulfate heptahydrate are reacted with ammonia and that the reaction product obtained, consisting substantially of ammonium sulfate and ferrous hydrate, is subsequently oxidized until a composition is obtained which substantially consists of ammonium sulfate and ferric oxide hydrate.
摘要翻译： 用于农业的新型组合物作为土壤改良剂和肥料，其包含作为必需组分的硫酸铵和氧化铁水合物。 在硫酸盐工艺中由钛铁矿或钛铁矿矿渣生产二氧化钛，并且基本上由七水硫酸亚铁组成的副产物与氨反应，并且基本上由硫酸铵和水合铁形成的反应产物随后被氧化直到 获得了基本上由硫酸铵和氧化铁水合物组成的组合物。
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8.发明授权Manufacture of titanium dioxide by the sulphate process using nuclei formed by steam hydrolysis of TiCl.sub.4 失效通过硫酸盐工艺制造二氧化钛，使用通过TiCl的蒸汽水解形成的核（hd 4
公开(公告)号：US4021533A
公开(公告)日：1977-05-03
申请号：US617954
申请日：1975-09-29
IPC分类号： C01G23/04 , C01G23/047 , C01G23/053 , C01G23/07
CPC分类号： C01G23/047 , C01G23/0534 , C01P2004/32 , C01P2004/50 , C01P2004/62 , C01P2006/22 , C01P2006/60
摘要： A solution of active nuclei for the hydrolysis of titanium sulphate and for the rutilisation of titanium dioxide in the manufacture of titanium dioxide in tutile form in the method via sulphate is prepared by transforming titanium tetrachloride into a compound of the formula Ti(OH).sub.x Cl.sub.y, wherein x ranges from 1 to 3, y from 3 to 1 and x + y is equal to 4 by contact with steam in the vapor phase, and contacting the reaction products with an aqueous solution of sodium hydroxide to form an aqueous suspension of titanium hydroxide having a TiO.sub.2 content of from 10 to 30 grams/liter and a pH value of from 3 to 4.
摘要翻译： 通过将四氯化钛转化为式Ti（OH）xCly的化合物，制备硫酸钛水解的活性核和二氧化钛在通过硫酸盐的方法中制备二氧化钛在金属络合物中的金红石化的溶液， 其中x为1至3，y为3至1，x + y等于4，通过与气相中的蒸汽接触，并使反应产物与氢氧化钠水溶液接触以形成氢氧化钛的水悬浮液 TiO 2含量为10至30克/升，pH值为3至4。
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公开(公告)号：US3946068A
公开(公告)日：1976-03-23
申请号：US862955
申请日：1969-10-01
IPC分类号： B01J27/06 , C07C67/055 , C07C69/15 , C07C67/04
CPC分类号： B01J27/06 , C07C67/055 , Y02P20/584
摘要： The palladium and copper ethylene-oxidation catalysts used in vinyl acetate production are regenerated by a process including a galvanic displacement of the metals from solution and their reconversion to halides.
摘要翻译： 用于乙酸乙烯酯生产中的钯和铜乙烯 - 氧化催化剂通过包括从溶液中电离位移金属及其再转化成卤化物的方法再生。
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公开(公告)号：US4343957A
公开(公告)日：1982-08-10
申请号：US218333
申请日：1980-12-19
CPC分类号： C07C2/70 , C07C2527/173
摘要： Production of cumene by alkylation of benzene with propylene on a solid phosphoric acid catalyst, using in a first step a plurality of catalyst beds in series and in a second step a single catalyst bed, using an overall benzene/propylene molar ratio of at least 5:1, continuously delivering the benzene to the first bed, continuously delivering a series of streams of liquid propylene respectively to the first bed and, in the form of a cold stream, between each pair of contiguous beds, and carrying out a partial recycle of reaction products of the second step as a cold stream between the first and the second step, and using a benzene/propylene molar ratio higher than 13:1 at the inlet of each bed of the first step, and higher than 25:1 at the inlet of the bed of the second step.
摘要翻译： 通过在固体磷酸催化剂上用丙烷烷基化苯来生产枯烯，在第一步中使用多个催化剂床串联，在第二步中使用单一催化剂床，使用总苯/丙烯摩尔比为至少5 ：1，连续地将苯输送到第一床，连续地将一系列液态丙烯流分别连续地输送到第一床，并以冷流的形式在每对连续的床之间进行，并进行部分循环 在第一步骤和第二步骤之间的第二步骤的反应产物作为冷流，并且在第一步骤的每个床的入口处使用高于13:1的苯/丙烯摩尔比，并且在第 第二步床的入口。
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