Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst
    1.
    发明授权
    Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst 有权
    用于合成不饱和醛的催化剂,所述催化剂的制备方法和使用所述催化剂的不饱和醛的制备方法

    公开(公告)号:US07414008B2

    公开(公告)日:2008-08-19

    申请号:US11251526

    申请日:2005-10-14

    申请人: Hiromi Yunoki

    发明人: Hiromi Yunoki

    IPC分类号: C07C23/00

    摘要: The present invention provides: a production process for a catalyst for synthesis of an unsaturated aldehyde and/or an unsaturated carboxylic acid, which production process is suitable for producing the catalyst with good reproducibility, wherein the catalyst is excellent in activity, selectivity, and physical strength; this catalyst; and a production process for the unsaturated aldehyde and/or the unsaturated carboxylic acid by using this catalyst. The production process for the catalyst comprises the steps of: carrying out heat treatment of an aqueous solution or slurry of a starting material to thus prepare a catalyst precursor P1, wherein the starting material includes molybdenum, bismuth, and iron as essential components; thereafter adding and mixing a binder into the P1 to thus prepare a catalyst precursor P2; and molding and then calcining the P2, thereby producing the catalyst for synthesis of the unsaturated aldehyde and/or the unsaturated carboxylic acid; with the production process being characterized by involving an ignition loss ratio of the catalyst precursor P1 in the range of 10 to 40 mass % (excluding 40 mass %).

    摘要翻译: 本发明提供了一种用于合成不饱和醛和/或不饱和羧酸的催化剂的制备方法,该方法适用于制备具有良好重复性的催化剂,其中催化剂具有优异的活性,选择性和物理性质 强度; 该催化剂; 以及使用该催化剂的不饱和醛和/或不饱和羧酸的制备方法。 催化剂的制造方法包括以下步骤:对起始原料的水溶液或浆料进行热处理,从而制备催化剂前体P1,其中原料包括钼,铋和铁作为必要组分; 然后将粘合剂加入并混合到P1中,从而制备催化剂前体P2; 然后成型,然后煅烧P2,由此制备用于合成不饱和醛和/或不饱和羧酸的催化剂; 其制造方法的特征在于催化剂前体P1的灼烧损失率在10〜40质量%(不包括40质量%)的范围内。

    Catalyst and process for production of acrylic acid
    4.
    发明申请
    Catalyst and process for production of acrylic acid 有权
    用于生产丙烯酸的催化剂和方法

    公开(公告)号:US20090043128A1

    公开(公告)日:2009-02-12

    申请号:US12287082

    申请日:2008-10-06

    摘要: An object of the present invention is to provide: a catalyst for production of acrylic acid which is a catalyst usable for production of acrylic acid and is excellent in the catalytic performances such as catalytic activity and in the physical properties such as physical strength of the catalyst itself; and a process for production of acrylic acid using this catalyst. As a means of achieving this object, a catalyst for production of acrylic acid according to the present invention is a catalyst obtained by drying a mixed liquid of starting materials including molybdenum and vanadium as essential components to give a dried material, molding the dried material with a liquid binder, and calcining the resultant molding, with the catalyst being characterized in that an ignition loss ratio of the dried material is from 5 to 40% by mass. A process for production of acrylic acid according to the present invention comprises the step of: subjecting acrolein to a catalytic gas phase oxidation in the presence of a molecular oxygen, with the process being characterized in that the above catalyst for production of acrylic acid according to the present invention is used.

    摘要翻译: 本发明的目的在于提供:丙烯酸的制造用催化剂,其为可用于生产丙烯酸的催化剂,催化性能如催化活性以及催化剂的物理性能如催化剂的物理性能优异 本身; 以及使用该催化剂生产丙烯酸的方法。 作为实现该目的的手段,本发明的丙烯酸的制造用催化剂是通过干燥含有钼和钒的起始材料的混合液作为必要成分而得到的催化剂,得到干燥后的材料, 液体粘合剂,并煅烧所得到的模制品,催化剂的特征在于,干燥材料的灼烧损失率为5〜40质量%。 根据本发明的制备丙烯酸的方法包括以下步骤:在分子氧存在下使丙烯醛进行催化气相氧化,其特征在于上述用于生产丙烯酸的催化剂根据 使用本发明。

    Catalytic gas phase oxidation process

    公开(公告)号:US07045657B2

    公开(公告)日:2006-05-16

    申请号:US10387244

    申请日:2003-03-12

    IPC分类号: C07C51/235 C07C51/16

    摘要: The object of the present invention is to provide a process in which, when the unsaturated carboxylic acid is produced, or when the unsaturated aldehyde and/or the unsaturated carboxylic acid are produced by carrying out the catalytic gas phase oxidation reaction by using the fixed-bed multitubular reactor which is packed with the molybdenum-containing catalyst, the reaction can be continued for a long time while a high yield is maintained, regardless of where the hot spot portion occurs and also even if the concentration of the raw gas is high. To solve this object, the present invention production process for an unsaturated carboxylic acid is characterized in: a particulate catalysts including, as catalytic components, an oxide and/or a complex oxide including Mo and V, or Mo, Fe and Bi as essential components, and having a hole are used; and a catalyst-packed layer of each reaction tube of the fixed-bed multitubular reactor is divided into at least two reaction zones in a tubular axial direction, wherein the packing of the catalysts is such that the diameters of the holes of the catalysts differ between at least two of the reaction zones.

    Catalyst and process for production of acrylic acid

    公开(公告)号:US20060063951A1

    公开(公告)日:2006-03-23

    申请号:US11212474

    申请日:2005-08-26

    IPC分类号: B01J23/28 C07C51/16

    摘要: An object of the present invention is to provide: a catalyst for production of acrylic acid which is a catalyst usable for production of acrylic acid and is excellent in the catalytic performances such as catalytic activity and in the physical properties such as physical strength of the catalyst itself; and a process for production of acrylic acid using this catalyst. As a means of achieving this object, a catalyst for production of acrylic acid according to the present invention is a catalyst obtained by drying a mixed liquid of starting materials including molybdenum and vanadium as essential components to give a dried material, molding the dried material with a liquid binder, and calcining the resultant molding, with the catalyst being characterized in that an ignition loss ratio of the dried material is from 5 to 40% by mass. A process for production of acrylic acid according to the present invention comprises the step of: subjecting acrolein to a catalytic gas phase oxidation in the presence of a molecular oxygen, with the process being characterized in that the above catalyst for production of acrylic acid according to the present invention is used.

    Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst
    8.
    发明授权
    Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst 有权
    用于合成不饱和醛的催化剂,所述催化剂的制备方法和使用所述催化剂的不饱和醛的制备方法

    公开(公告)号:US07005542B2

    公开(公告)日:2006-02-28

    申请号:US10358796

    申请日:2003-02-05

    申请人: Hiromi Yunoki

    发明人: Hiromi Yunoki

    IPC分类号: C07C51/16

    摘要: The present invention provides: a production process for a catalyst for synthesis of an unsaturated aldehyde and/or an unsaturated carboxylic acid, which production process is suitable for producing the catalyst with good reproducibility, wherein the catalyst is excellent in activity, selectivity, and physical strength; this catalyst; and a production process for the unsaturated aldehyde and/or the unsaturated carboxylic acid by using this catalyst. The production process for the catalyst comprises the steps of: carrying out heat treatment of an aqueous solution or slurry of a starting material to thus prepare a catalyst precursor P1, wherein the starting material includes molybdenum, bismuth, and iron as essential components; thereafter adding and mixing a binder into the P1 to thus prepare a catalyst precursor P2; and molding and then calcining the P2, thereby producing the catalyst for synthesis of the unsaturated aldehyde and/or the unsaturated carboxylic acid; with the production process being characterized by involving an ignition loss ratio of the catalyst precursor P1 in the range of 10 to 40 mass % (excluding 40 mass %).

    摘要翻译: 本发明提供了一种用于合成不饱和醛和/或不饱和羧酸的催化剂的制备方法,该方法适用于制备具有良好重复性的催化剂,其中催化剂具有优异的活性,选择性和物理性质 强度; 该催化剂; 以及使用该催化剂的不饱和醛和/或不饱和羧酸的制备方法。 催化剂的制备方法包括以下步骤:对原料的水溶液或浆料进行热处理,从而制备催化剂前体P 1,其中原料包括钼,铋和铁作为必要成分; 然后将粘合剂加入并混合到P 1中,从而制备催化剂前体P 2; 然后成型,然后煅烧P 2,从而制备不饱和醛和/或不饱和羧酸的合成催化剂; 其生产方法的特征在于催化剂前体P 1的灼烧损失比在10〜40质量%(不包括40质量%)的范围内。

    Process for producing acrylic acid
    10.
    发明授权
    Process for producing acrylic acid 有权
    丙烯酸生产工艺

    公开(公告)号:US06949675B2

    公开(公告)日:2005-09-27

    申请号:US10228089

    申请日:2002-08-27

    申请人: Hiromi Yunoki

    发明人: Hiromi Yunoki

    摘要: The present invention provides a process for producing acrylic acid, by which process the problem, such that the catalyst placed on the gas inlet side deteriorates faster than that placed on the gas outlet side, is solved, so that the catalyst can be used stably for a long time. The process for producing acrylic acid, according to the present invention, comprises the step of carrying out catalytic gas phase oxidation with a fixed-bed shell-and-tube reactor as packed with a catalyst, wherein: used as the catalyst is an oxide shown by the following general formula (1): MOaVbAcBdCeOf (1) (wherein: A shows at least one member selected from the group consisting of niobium and tungsten; B shows at least one member selected from the group consisting of chromium, manganese, iron, cobalt, nickel, copper, zinc, and bismuth; C shows at least one member selected from the group consisting of phosphorus, tin, antimony, and tellurium); and at least two reaction zones as provided by dividing the inside of each reaction tube in a direction of an axis of the tube in the reactor are packed with the catalyst such that there are regulated the kind and/or amount of the A component and/or the kind and/or amount of the B component.

    摘要翻译: 本发明提供一种制备丙烯酸的方法,通过该方法解决了放置在气体入口侧的催化剂比放置在气体出口侧的催化剂更快的问题,从而能够稳定地使用催化剂 很长时间。 根据本发明的制备丙烯酸的方法包括用填充有催化剂的固定床管壳反应器进行催化气相氧化的步骤,其中:用作催化剂是所示的氧化物 通过以下通式(1)表示:其中C a为C a C b (1)(其中:A表示选自铌和钨中的至少一种; B表示选自铬,锰中的至少一种) ,铁,钴,镍,铜,锌和铋; C表示选自磷,锡,锑和碲中的至少一种; 并且通过在反应器中沿着管的轴线方向分割每个反应管的内部提供的至少两个反应区填充有催化剂,使得调节A成分的种类和/或量和/ 或B组分的种类和/或量。