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    Process for production of acrylonitrile
    4.
    发明授权
    Process for production of acrylonitrile 失效

    公开(公告)号：US4370279A

    公开(公告)日：1983-01-25

    申请号：US941351

    申请日：1978-09-11

    申请人： Yutaka Sasaki ,  Tomio Nakamura ,  Yoshimi Nakamura ,  Kiyoshi Moriya ,  Hiroshi Utsumi ,  Shigeru Saito

    发明人： Yutaka Sasaki ,  Tomio Nakamura ,  Yoshimi Nakamura ,  Kiyoshi Moriya ,  Hiroshi Utsumi ,  Shigeru Saito

    IPC分类号： C07B61/00 ,  B01J23/00 ,  B01J23/88 ,  B01J27/00 ,  B01J27/057 ,  C07C67/00 ,  C07C253/00 ,  C07C255/08 ,  C07C120/14

    CPC分类号： B01J23/8873 ,  B01J23/8872 ,  B01J23/8876 ,  B01J23/8877 ,  B01J27/0576 ,  C07C253/26 ,  B01J2523/00 ,  Y02P20/52

    摘要： A process for producing acrylonitrile by the vapor-phase catalytic ammoxidation of propylene, which comprises(I) reacting propylene, a molecular oxygen-containing gas and ammonia in the presence of a catalyst expressed by the following empirical formulaFe.sub.a Sb.sub.b Mo.sub.c Me.sub.d Te.sub.e Q.sub.f Na.sub.g O.sub.h. (SIO).sub.iwherein Me is at least one element selected from the group consisting of V and W,Q is at least one element selected from the group consisting of Cu, Mg, Zn and Ni, andthe subscripts a, b, c, d, e, f, g, h and i each represents atomic ratios such that when a=10; b=13 to 28; c=0.1 to 2.5; d=0.05 to 1; e=0.2 to 5; f=0 to 4 (in which case b=13 to 20), or f=2 to 6 (in which case b=20 to 28); g=0 to 3; h=the number of oxygens corresponding to the oxide formed by the combination of the components, and i=25 to 200;in a fluidized bed catalytic reaction zone at a temperature of about 380 to about 500.degree. C. and a pressure of about 0.2 to about 3 kg/cm.sup.2 -G while adjusting the propylene/oxygen/ammonia molar ratio to about 1:about 1:about 0.8 to about 1:about 4:about 3;(II) the catalyst being prepared by(1) intimately mixing starting materials for the Fe, Mo, Me, Te and Q components in a form soluble in water or nitric acid, a starting material for the Sb component, and silica sol which may or may not contain an Na component, thereby to form a slurry containing these components and having a non-volatile solids content of about 10 to about 50% by weight;(2) so that the composition of the final catalyst is within the range expressed by the empirical formula above;(3) spray-drying the resulting slurry, and(4) calcining the resulting spray-dried particles at a temperature of about 600 to about 950.degree. C. thereby to form a catalyst with a composition within the above empirical formula and with all of the Mo, Me, and Te components substantially dissolved in an iron/antimony oxide compound (FeSbO.sub.4) in the form of a solid solution.

    Process for preparing carbocyclic or heterocyclic nitriles by vapor phase ammoxidation
    9.
    发明授权
    Process for preparing carbocyclic or heterocyclic nitriles by vapor phase ammoxidation 有权
    通过气相氨氧化制备碳环或杂环腈的方法

    公开(公告)号：US06392048B1

    公开(公告)日：2002-05-21

    申请号：US09629418

    申请日：2000-07-31

    申请人： Yutaka Sasaki ,  Hiroshi Utsumi ,  Akimitsu Morii ,  Kazuo Morishita

    发明人： Yutaka Sasaki ,  Hiroshi Utsumi ,  Akimitsu Morii ,  Kazuo Morishita

    IPC分类号： C07D21500

    CPC分类号： B01J23/002 ,  B01J23/8435 ,  B01J27/199 ,  B01J2523/00 ,  C07C253/28 ,  C07D213/85 ,  C07D215/48 ,  C07D241/24 ,  C07D333/38 ,  B01J2523/15 ,  B01J2523/41 ,  B01J2523/51 ,  B01J2523/53 ,  B01J2523/55 ,  B01J2523/67 ,  B01J2523/842 ,  B01J2523/68 ,  B01J2523/69 ,  B01J2523/847 ,  B01J2523/17 ,  B01J2523/27 ,  B01J2523/31 ,  B01J2523/3706 ,  B01J2523/13 ,  B01J2523/845 ,  B01J2523/22 ,  B01J2523/64 ,  C07C255/51 ,  C07C255/50

    摘要： The present invention provides a process for preparing carbocyclic or heterocyclic nitrites by the vapor phase contact ammoxidation of carbocyclic compounds or heterocyclic compounds, in which the reaction is carried out effectively without the increase of the amount of ammonia or oxygen used or the introduction of steam to give the nitrites as the objective products stably with the passage of time in a high yield with a high selectivity. A process for preparing carbocyclic or heterocyclic nitrites comprising subjecting the corresponding starting carbocyclic or heterocyclic compounds to ammoxidation via the vapor phase catalytic reaction in a fluidized bed reactor, in which the reaction is carried out in the presence of a metal oxide fluidized bed catalyst containing vanadium and/or molybdenum as the catalyst, oxygen-containing gas being supplied through an oxygen-containing gas inlet provided at the bottom of the fluidized bed reactor, the starting cyclic compound and ammonia being supplied at a level higher than the oxygen-containing gas inlet, a fluidized bed being formed so that the ratio of the amount of catalyst (Wb) fluidized at a level higher than the inlet of the starting cyclic compound to the amount of catalyst (Wa) fluidized at a level higher than the oxygen-containing gas inlet in the reaction zone is in the range of Wb/Wa=0.01-0.95 by weight.

    摘要翻译： 本发明提供了通过碳环化合物或杂环化合物的气相接触氨氧化制备碳环或杂环亚硝酸盐的方法，其中反应在没有增加使用的氨或氧气或引入蒸汽的情况下有效地进行 以高选择性，以高产率稳定地以亚硝酸盐为目标产物。一种制备碳环或杂环亚硝酸盐的方法，包括使相应的起始碳环或杂环化合物经过气相催化反应在流化床中进行氨氧化 其中反应在含有钒和/或钼作为催化剂的金属氧化物流化床催化剂存在下进行，含氧气体通过设置在流化床的底部的含氧气体入口提供 床反应器，起始循环化合物和氨为反应器 在高于含氧气体入口的水平面上形成流化床，使得流化的催化剂（Wb）的量比起始环状化合物的入口高到催化剂量（Wa ）在高于反应区中的含氧气体入口的水平上流动，其重量在Wb / Wa = 0.01-0.95的范围内。

    Process for preparing carbocyclic or heterocyclic nitriles by vapor phase ammoxidation
    10.
    发明授权
    Process for preparing carbocyclic or heterocyclic nitriles by vapor phase ammoxidation 失效
    通过气相氨氧化制备碳环或杂环腈的方法

    公开(公告)号：US06187943B1

    公开(公告)日：2001-02-13

    申请号：US08951463

    申请日：1997-10-16

    申请人： Yutaka Sasaki ,  Hiroshi Utsumi ,  Akimitsu Morii

    发明人： Yutaka Sasaki ,  Hiroshi Utsumi ,  Akimitsu Morii

    IPC分类号： C07C25300

    CPC分类号： B01J23/002 ,  B01J23/8435 ,  B01J27/199 ,  B01J2523/00 ,  C07C253/28 ,  C07D213/85 ,  C07D215/48 ,  C07D241/24 ,  C07D333/38 ,  B01J2523/15 ,  B01J2523/41 ,  B01J2523/51 ,  B01J2523/53 ,  B01J2523/55 ,  B01J2523/67 ,  B01J2523/842 ,  B01J2523/68 ,  B01J2523/69 ,  B01J2523/847 ,  B01J2523/17 ,  B01J2523/27 ,  B01J2523/31 ,  B01J2523/3706 ,  B01J2523/13 ,  B01J2523/845 ,  B01J2523/22 ,  B01J2523/64 ,  C07C255/51 ,  C07C255/50

    摘要： The present invention provides a process for preparing carbocyclic or heterocyclic nitrites by the vapor phase contact ammoxidation of carbocyclic compounds or heterocyclic compounds, in which the reaction is carried out effectively without the increase of the amount of ammonia or oxygen used or the introduction of steam to give the nitrites as the objective products stably with the passage of time in a high yield with a high selectivity. A process for preparing carbocyclic or heterocyclic nitriles comprising subjecting the corresponding starting carbocyclic or heterocyclic compounds to ammoxidation via the vapor phase catalytic reaction in a fluidized bed reactor, in which the reaction is carried out in the presence of a metal oxide fluidized bed catalyst containing vanadium and/or molybdenum as the catalyst, oxygen-containing gas being supplied through an oxygen-containing gas inlet provided at the bottom of the fluidized bed reactor, the starting cyclic compound and ammonia being supplied at a level higher than the oxygen-containing gas inlet, a fluidized bed being formed so that the ratio of the amount of catalyst (Wb) fluidized at a level higher than the inlet of the starting cyclic compound to the amount of catalyst (Wa) fluidized at a level higher than the oxygen-containing gas inlet in the reaction zone is in the range of Wb/Wa=0.05 to 0.9 by weight.

    摘要翻译： 本发明提供了通过碳环化合物或杂环化合物的气相接触氨氧化制备碳环或杂环亚硝酸盐的方法，其中反应在没有增加使用的氨或氧气或引入蒸汽的情况下有效地进行 以高产率高度选择性地使亚硝酸盐作为目标产物稳定地经过时间。 一种制备碳环或杂环腈的方法，包括在流化床反应器中经由气相催化反应使相应的起始碳环或杂环化合物进行氨氧化反应，其中反应在含有钒的金属氧化物流化床催化剂存在下进行 和/或钼作为催化剂，通过设置在流化床反应器底部的含氧气体入口供给含氧气体，起始循环化合物和氨以高于含氧气体入口的水平供应 形成流化床，使得以比起始环状化合物的入口高的流动态的催化剂（Wb）的量与以含氧气体为高的催化剂（Wa）的量流动的量的比例 反应区中的入口在Wb / Wa = 0.05-0.9的范围内。