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    Catalyst for the manufacture of acrylonitrile
    1.
    发明授权
    Catalyst for the manufacture of acrylonitrile 有权
    用于制造丙烯腈的催化剂

    公开(公告)号：US07071140B2

    公开(公告)日：2006-07-04

    申请号：US10717130

    申请日：2003-11-18

    申请人： Christos Paparizos ,  Stephen C. Jevne ,  Michael J. Seely

    发明人： Christos Paparizos ,  Stephen C. Jevne ,  Michael J. Seely

    IPC分类号： B01J27/057 ,  C07C253/24

    CPC分类号： C07C253/26 ,  B01J23/002 ,  B01J23/8876 ,  B01J23/8878 ,  B01J27/1853 ,  B01J27/192 ,  B01J35/023 ,  B01J37/0045 ,  B01J37/0081 ,  B01J2523/00 ,  Y02P20/52 ,  B01J2523/11 ,  B01J2523/14 ,  B01J2523/22 ,  B01J2523/3712 ,  B01J2523/54 ,  B01J2523/67 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847 ,  B01J2523/12 ,  B01J2523/51 ,  C07C255/08

    摘要： A catalyst comprising a complex of catalytic oxides comprising rubidium, cerium, chromium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt, optionally magnesium, and optionally one of phosphorus, antimony, tellurium, sodium, lithium, potassium, cesium, thallium, boron, germanium, tungsten calcium, wherein the relative ratios of these elements are represented by the following general formula: RbaCebCrcMgdAeFefBigYhMo12Ox wherein A is Ni or the combination of Ni and Co, Y is at least one of P, Sb, Te, Li, Na, K, Cs, Tl, B, Ge, W, Ca, Zn, a rare earth element, or mixtures thereof, a is about 0.01 to about 1, b is about 0.01 to about 3, c is about 0.01 to about 2, d is 0 to about 7, e is about 0.01 to about 10, f is about 0.01 to about 4, g is about 0.05 to about 4, h is 0 to about 3, x is a number determined by the valence requirements of the other elements present, wherein “b”+“c” is greater than “g” and wherein the catalyst is substantially free of manganese, a noble metal and vanadium. The catalyst is useful in processes for the ammoxidation of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile and mixtures thereof, respectively.

    摘要翻译： 一种催化剂，其包含包含铷，铈，铬，铁，铋，钼以及镍或镍和钴，任选的镁中的至少一种的催化氧化物的复合物，以及任选的磷，锑，碲，钠，锂，钾 ，铯，铊，硼，锗，钨钙，其中这些元素的相对比例由以下通式表示：<？in-line-formula description =“In-line formula”end =“lead”？> Rb 另一方面，C C C ＆lt;＆lt;＆lt;＆lt;＆lt;＆lt;＆lt;＆lt;＆lt;＆lt; 其中A为Ni或Ni和Co的组合，Y为P，Sb，Te，Li，Na，K，Cs，Tl，B，Ge，W中的至少一种 ，Ca，Zn，稀土元素或其混合物，a为约0.01至约1，b为约0.01至约3，c为约0.01至约2，d为0至约7，e为约0.01至 约10，f约为0.01 4，g为约0.05至约4，h为0至约3，x为由其它存在的元素的化合价要求确定的数，其中“b”+“c”大于“g”，其中 催化剂基本上不含锰，贵金属和钒。 该催化剂可用于分别选自丙烯，异丁烯或其混合物的烯烃与丙烯腈，甲基丙烯腈及其混合物的氨氧化反应的方法。

    Molybdenum promoted vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation
    3.
    发明授权
    Molybdenum promoted vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation 失效
    钼促进钒 - 锑氧化物基催化剂用于选择性石蜡氨氧化

    公开(公告)号：US6156920A

    公开(公告)日：2000-12-05

    申请号：US48648

    申请日：1998-03-26

    申请人： James Frank Brazdil, Jr. ,  Mark Anthony Toft

    发明人： James Frank Brazdil, Jr. ,  Mark Anthony Toft

    IPC分类号： B01J23/88 ,  B01J23/00 ,  B01J23/28 ,  B01J23/887 ,  B01J37/08 ,  C07B61/00 ,  C07C253/24 ,  C07C255/07 ,  C07C255/08 ,  C07C253/00

    CPC分类号： C07C253/24 ,  B01J23/002 ,  B01J23/28 ,  B01J23/8876 ,  B01J37/08 ,  B01J2523/00 ,  Y02P20/52

    摘要： A process of manufacturing acrylonitrile or methacrylonitrile by the catalytic reaction in the vapor phase of a paraffin selected from propane and isobutane with molecular oxygen and ammonia by catalytic contact of the reactants in a reaction zone with a catalyst, the feed composition having a mole ratio of the paraffin to ammonia in the range of from about 2.5 to 16 and a mole ratio of paraffin to oxygen in the range of from about 1.0 to 10, wherein said catalyst has the elements in the proportions indicated by the empirical formula:VSb.sub.m A.sub.a Mo.sub.b D.sub.d O.sub.xwhereA is one or more of Ti, Sn, Fe, Cr and Ga;D is one or more of Li, Mg, Ca, Sr, Ba, Co, Ni, Zn, Ge, Nb, Zr, W, Cu, Te, Ta, Se, Bi, Ce, In, As, B and Mn;m equals 0.8 to 4;a equals 0.01 to 2;0

    摘要翻译： 通过催化反应制备丙烯腈或甲基丙烯腈的方法，所述催化反应在选自丙烷和异丁烷的分子氧和氨的气相中通过催化反应物在反应区与催化剂的接触而进行，所述进料组合物的摩尔比为 石蜡与氨在约2.5至16范围内，石蜡与氧的摩尔比在约1.0至10范围内，其中所述催化剂具有以下经验式所示比例的元素：VSbmAaMobDdOx其中A为 Ti，Sn，Fe，Cr和Ga中的一种或多种; D是Li，Mg，Ca，Sr，Ba，Co，Ni，Zn，Ge，Nb，Zr，W，Cu，Te，Ta，Se，Bi，Ce，In，As，B和Mn中的一种或多种; m等于0.8〜4; a等于0.01到2; 0

    Process of making high nitrile composite filaments
    5.
    发明授权
    Process of making high nitrile composite filaments 失效
    制造高腈复合长丝的工艺

    公开(公告)号：US6120896A

    公开(公告)日：2000-09-19

    申请号：US212493

    申请日：1998-12-17

    申请人： Richard J. Jorkasky ,  George S. Li ,  Elena Simona Percec

    发明人： Richard J. Jorkasky ,  George S. Li ,  Elena Simona Percec

    IPC分类号： D01D5/30 ,  D01F8/08 ,  D02G3/00

    CPC分类号： D01F8/08 ,  Y10T428/2929 ,  Y10T428/2931

    摘要： A novel composite high-nitrile fiber in which the polymers are arranged in a sheath core type configuration. One polymer of the composite filament comprises a solventless, waterless, melt-processable acrylonitrile olefinically unsaturated polymer and the other polymer of the composite filament comprises an organic polymer. Either polymer can be employed as the sheath or the core component of the composite filament.

    摘要翻译： 一种新型复合高腈纤维，其中聚合物以皮芯型配置。 复合长丝的一种聚合物包含无溶剂，无水，可熔融加工的丙烯腈烯属不饱和聚合物，复合长丝的其它聚合物包含有机聚合物。 可以使用任一种聚合物作为复合丝的鞘或芯组分。

    Gallium promoted molybdenum vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation
    6.
    发明授权
    Gallium promoted molybdenum vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation 失效
    镓促进钼钒 - 锑氧化物基催化剂用于选择性石蜡氨氧化

    公开(公告)号：US6043185A

    公开(公告)日：2000-03-28

    申请号：US285384

    申请日：1999-04-02

    申请人： Larry M. Cirjak ,  Anne Venturelli ,  Timothy J. Cassidy ,  Marc A. Pepera ,  Tama L. Drenski

    发明人： Larry M. Cirjak ,  Anne Venturelli ,  Timothy J. Cassidy ,  Marc A. Pepera ,  Tama L. Drenski

    IPC分类号： B01J23/08 ,  B01J23/18 ,  B01J23/28 ,  C07C253/24 ,  C07C255/08 ,  B01J23/00 ,  C07C253/00

    CPC分类号： B01J23/08 ,  B01J23/18 ,  B01J23/28 ,  C07C253/24 ,  Y02P20/52

    摘要： A catalyst useful in the manufacture of acrylonitrile or methacrylonitrile by the catalytic reaction in the vapor phase of a paraffin selected from propane and isobutane with molecular oxygen and ammonia by catalytic contact of the reactants in a reaction zone with a catalyst, the feed composition having a mole ratio of the paraffin to ammonia in the range of about 1.0 to 10 and a mole ratio of paraffin to oxygen in the range of about 1.0 to 10, wherein said catalyst has the elements in the proportions indicated by the empirical formula:MO.sub.a V.sub.b Sb.sub.c Ga.sub.d X.sub.e O.sub.xwhereX is one or more of As, Te, Se, Nb, Ta, W, Ti, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ni, Pd, Pt, B, In, Ce, Re, Ir, Ge, Sn, Bi, Y, Pr, an alkali metal, and an alkaline earth metal, preferably Nb, Ce, Fe, Ge, Sn, In, As, Se, and B, especially preferred being Nb,a equals 1,b equals 0.0 to 0.99, preferably 0.1 to 0.5,c equals 0.01 to 0.9, preferably 0.05 to 0.5,d equals 0.01 to 0.5, preferably 0.01 to 0.4,e equals 0.0 to 1.0, preferably 0.0 to 0.9,x is determined by the oxidation state of the cations present.

    摘要翻译： 一种可用于制备丙烯腈或甲基丙烯腈的催化剂，其通过催化反应在选自丙烷和异丁烷与分子氧和氨的气相中通过催化反应物在反应区与催化剂的接触而进行催化反应，所述进料组合物具有 石蜡与氨的摩尔比在约1.0至10范围内，石蜡与氧的摩尔比在约1.0至10的范围内，其中所述催化剂具有以经验式所示比例的元素：其中X 1 是As，Te，Se，Nb，Ta，W，Ti，Zr，Cr，Mn，Fe，Ru，Co，Rh，Ni，Pd，Pt，B，In，Ce，Re，Ir，Ge中的一种或多种 ，Sn，Bi，Y，Pr，碱金属和碱土金属，优选Nb，Ce，Fe，Ge，Sn，In，As，Se和B，特别优选Nb，a等于1，b等于 0.0〜0.99，优选为0.1〜0.5，c为0.01〜0.9，优选为0.05〜0.5，d为0.01〜0.5，优选为0.01〜0.4，e为0.0〜1.0，优选为0 0至0.9，x由存在的阳离子的氧化态决定。

    Reduced pressure drop in acrylonitrile absorber via direct contact spray heat exchange
    8.
    发明授权
    Reduced pressure drop in acrylonitrile absorber via direct contact spray heat exchange 失效
    通过直接接触喷雾热交换降低丙烯腈吸收剂的压降

    公开(公告)号：US6002040A

    公开(公告)日：1999-12-14

    申请号：US78789

    申请日：1998-05-14

    申请人： Jeffrey Earle Rinker ,  Paul Trigg Wachtendorf ,  Vincent Astor Little, III ,  Sanjay Purushottam Godbole

    发明人： Jeffrey Earle Rinker ,  Paul Trigg Wachtendorf ,  Vincent Astor Little, III ,  Sanjay Purushottam Godbole

    IPC分类号： C07C253/26 ,  C07B61/00 ,  C07C55/08 ,  C07C253/34 ,  C07C255/08 ,  C07C255/00

    CPC分类号： C07C253/34 ,  C07C253/26

    摘要： A process for manufacturing acrylonitrile comprising reacting propylene, ammonia and oxygen in a reactor zone in the presence of a catalyst to produce a reactor effluent containing crude acrylonitrile, transferring the reactor effluent containing crude acrylonitrile to a quench column wherein the reactor effluent containing crude acrylonitrile is contacted with an aqueous stream to cool the reactor effluent, transferring the cooled reactor effluent containing the crude acrylonitrile to an absorption column wherein the reactor effluent containing crude acrylonitrile is contacted with a second aqueous stream to separate and remove the crude acrylonitrile as a bottom stream from the absorption column, transferring the bottom stream containing the crude acrylonitrile to a recovery and purification section where the acrylonitrile is recovered and purified, wherein the improvement comprises supplying the second aqueous stream to the absorption column by means of liquid spray nozzles.

    摘要翻译： 一种制备丙烯腈的方法，包括在反应器区域中在催化剂存在下使丙烯，氨和氧反应，以产生含有粗丙烯腈的反应器流出物，将含有粗丙烯腈的反应器流出物转移至骤冷塔，其中含有粗丙烯腈的反应器流出物为 与水流接触以冷却反应器流出物，将含有粗丙烯腈的冷却反应器流出物转移到吸收塔，其中含有粗丙烯腈的反应器流出物与第二含水流接触，以分离和除去作为底部物流的粗丙烯腈 吸收塔，将含有粗丙烯腈的底部流转移到回收和纯化部分，其中丙烯腈被回收和纯化，其中改进包括通过液体喷嘴将第二含水流供应到吸收塔。