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    A process for reduction of waste material during manufacture of acrylonitrile
    2.
    发明公开
    A process for reduction of waste material during manufacture of acrylonitrile 失效
    过程的废物在生产丙烯腈的降低。

    公开(公告)号：EP0638546A1

    公开(公告)日：1995-02-15

    申请号：EP94300858.1

    申请日：1994-02-04

    Applicant: THE STANDARD OIL COMPANY

    Inventor： Bigler, Kenneth L. ,  Bott, Paul E. ,  Friedrich, Maria S. ,  Keckler, Kenneth P. ,  Kocjancic, Frank J. ,  Miko, Steve J. ,  Reiling, Vincent G. ,  Rowe, Steven J. ,  Seely, Michael J. ,  Shaw, Wilfrid G. ,  Shuki, Albert R., Jr. ,  Sockell, Edward J. ,  Suresh, Dev D. ,  Trott, Louis R.

    IPC: C07C253/26 ,  C07C255/08

    CPC classification number: B01D53/58 ,  C07C253/26 ,  Y02P20/52 ,  C07C255/08

    Abstract: A process for the substantial reduction or complete elimination of ammonium sulfate generated during the production of acrylonitrile by the direct ammoxidation of propylene/propane, ammonia and an oxygen containing gas (e.g. air) over a fluid bed catalyst wherein the improvement comprises introducing methanol into said reactor in the upper portion of the reactor at a location where the methanol reacts with at least a portion if not substantially all of the excess ammonia without affecting the acrylonitrile yield. Preferably, methanol is introduced into the reactor at below its coking temperature. In particular, when an oxygen lean fluid bed catalyst is utilized, an additional oxygen containing gas is introduced into the reaction at a distance between about 8 to 14 inches from the methanol feed location.

    Abstract translation: 一种用于大量减少或丙烯/丙烷，氨的直接氨氧化和含氧气体（例如空气）在流化床催化剂worin改进之处包括引入甲醇到所述生产丙烯腈的过程中产生的硫酸铵的完全消除过程 反应器在反应器中的的位置处的上部分，其中甲醇的至少一部分如果不是基本上所有过量的氨发生反应而不影响丙烯腈收率。 优选地，将甲醇在低于其焦化温度引入到反应器中。 特别是，当一个贫氧流化床催化剂在额外含氧气体可利用的被引入到在距离约8至14英寸之间从甲醇进料位置的反应。

    Method for ammoxidation of olefins
    4.
    发明公开
    Method for ammoxidation of olefins 失效
    Verfahren zur Ammoxydierung von Olefine。

    公开(公告)号：EP0641771A1

    公开(公告)日：1995-03-08

    申请号：EP93307073.2

    申请日：1993-09-08

    Applicant: THE STANDARD OIL COMPANY

    Inventor： Friedrich, Maria S. ,  Seeley, Michael J. ,  Paparizos, Christos ,  Suresh, Dev D.

    IPC: C07C253/26

    CPC classification number: B01J23/22 ,  B01J23/18 ,  B01J23/8892 ,  C01C3/0216 ,  C07C253/26 ,  Y02P20/52 ,  C07C255/08

    Abstract: Disclosed is a method for ammoxidizing C₃ to C₅ mono-olefins to a,b-mono-unsaturated acyclic nitriles having 3 to 5 carbon atoms and HCN by introducing such mono-olefins molecular oxygen and ammonia into a reaction zone into vapor phase contact with a solid ammoxidation catalyst, wherein the mol ratio of introduced molecular oxygen and ammonia to said introduced mono-olefin is at least 1.5 and 1.0, respectively, wherein said catalyst contains the elements and proportions indicated by the empirical formula:



            V₁Sb a M m N n O x



    where

    a = 0.5 to 2
    M = one or more of: Sn, Ti, Fe, and Ga
    m = 0.05 to 3, usually at least 0.1 and at most 1
    N = one or more of: W, Bi, Mo, Li, Mg, P, Zn, Mn, Te, Ge, Nb, Zr, Cr, Al, Cu, Ce, B
    n = 0.0 to 0.5,
    and wherein the preparation of the catalyst includes contacting in an aqueous dispersion a vanadium compound and an antimony compound while said vanadium is in solution.

    Abstract translation: 公开了一种通过将这样的单烯烃分子氧和氨引入到反应区与气相接触的方法，将C3至C5单烯烃氧化为具有3至5个碳原子的α-单不饱和非环状腈和HCN 固体氨氧化催化剂，其中引入的分子氧和氨与所述引入的单烯烃的摩尔比分别为至少1.5和1.0，其中所述催化剂含有元素和由经验式表示的比例：V1SbaMmNnOx其中a = 0.5至2 M = Sn，Ti，Fe和Ga中的一种或多种：m = 0.05〜3，通常为0.1以上且1N以下= W，Bi，Mo，Li，Mg，P，Zn， Mn，Te，Ge，Nb，Zr，Cr，Al，Cu，Ce，B n = 0.0〜0.5，其中催化剂的制备包括在水分散体中使钒化合物与锑化合物接触， 解。

    Method for ammoxidation of paraffins
    6.
    发明公开
    Method for ammoxidation of paraffins 失效
    Verfahren zur Ammoxidation von Paraffinen。

    公开(公告)号：EP0420455A2

    公开(公告)日：1991-04-03

    申请号：EP90310039.4

    申请日：1990-09-13

    Applicant: THE STANDARD OIL COMPANY

    Inventor： Friedrich, Maria S. ,  Suresh, Dev D. ,  Seely, Michael J.

    IPC: C07C253/24 ,  C07C255/08

    CPC classification number: C07C253/24 ,  B01J23/002 ,  B01J23/8878 ,  B01J23/8885 ,  B01J23/8898 ,  B01J35/0006 ,  B01J37/0045 ,  B01J37/0236 ,  B01J37/08 ,  B01J2523/00 ,  Y02P20/52 ,  C07C255/08 ,  B01J2523/13 ,  B01J2523/15 ,  B01J2523/41 ,  B01J2523/54 ,  B01J2523/67 ,  B01J2523/68 ,  B01J2523/72 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847 ,  B01J2523/31 ,  B01J2523/22 ,  B01J2523/69 ,  B01J2523/53

    Abstract: Disclosed is a process for making an α, β-unsaturated mononitrile by the catalytic reaction of a paraffin containing 3-5 carbon atoms with molecular oxygen and ammonia by catalytic contact of the foregoing reactants in a reaction zone with a metal oxide catalyst composition that has 10-90 weight percent of a diluent/support and 90-10 weight percent of a catalyst containing the elements indicated by the empirical formula.
    A a D d Bi c Fe f Mo₁₂O x
    in the proportions indicated by the said formula. said diluent/support containing 10 to 100 weight percent Al₂O₃ and zero to 90 weight percent SiO₂
    wherein
    A is one or more of Li, Na, K, Rb, Cs, Tl B, W , Sn and La:
    D is one or more of Cr, Sb, Pb, P, Cu, Ni, Co, Mn and Mg;
    a is zero to 10;
    c is 0.1 to 10;
    d is zero to 10; and
    f is 0.2 to 10; and
    wherein the reactants fed to the reaction zone contain a mole ratio of said paraffin:NH₃ in the range from 2 to 16 and a mole ratio of said paraffin to O₂ in the range from 1 to 10.

    Abstract translation: 公开了一种通过使含有3-5个碳原子的链烷烃与分子氧和氨的催化反应来制备α，β-不饱和单腈的方法，所述方法通过在反应区中与上述反应物与金属氧化物催化剂组合物进行催化接触，所述金属氧化物催化剂组合物具有 10-90重量％的稀释剂/载体和90-10重量％的含有经验式所示元素的催化剂。 AaDdBicFefMo12Ox以所述公式表示的比例。 所述稀释剂/载体含有10至100重量％的Al 2 O 3和0至90重量％的SiO 2，其中A是Li，Na，K，Rb，Cs，Tl B，W，Sn和La中的一种或多种：D是一种或多种 Cr，Sb，Pb，P，Cu，Ni，Co，Mn和Mg; a是零到10; c为0.1〜10; d为0〜10; f为0.2〜10; 并且其中进料到反应区的反应物含有所述链烷烃：NH 3的摩尔比在2至16的范围内，所述链烷烃与O 2的摩尔比在1至10的范围内。

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