利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

67 条记录 (耗时 0.034 秒)

    Process for the production of acrylic acid
    1.
    发明授权
    Process for the production of acrylic acid 有权
    丙烯酸生产工艺

    公开(公告)号：US07294741B2

    公开(公告)日：2007-11-13

    申请号：US10498852

    申请日：2002-12-13

    申请人： Gunther Bub ,  Jurgen Mosler ,  Dietrich Maschmeyer ,  Andreas Sabbagh ,  Roland Fornika ,  Matthias Peuckert

    发明人： Gunther Bub ,  Jurgen Mosler ,  Dietrich Maschmeyer ,  Andreas Sabbagh ,  Roland Fornika ,  Matthias Peuckert

    IPC分类号： C07C51/16

    CPC分类号： C07C51/252 ,  C07C57/04

    摘要： The present invention relates to a process for the production of acrylic acid (AA) comprising the steps wherein: a) a 1st gas mixture comprising propylene, oxygen, an inert gas and steam is subjected to a 1st catalytic oxidation reaction stage thereby converting the propylene in the presence of a catalyst mainly into acrolein being contained in a 2nd gas mixture from said 1st catalytic oxidation reaction, b) said 2nd gas mixture from the 1st catalytic oxidation reaction stage is subjected to a 2nd catalytic oxidation reaction stage thereby converting the acrolein in the presence of a catalyst mainly into AA, being contained in a product gas, c) said product gas is subjected to a quench tower, wherein said AA is recovered as an aqueous solution comprising said AA being contained in the process water, wherein a process vent gas is obtained at the top of said quench tower, wherein, said 1st gas mixture has a steam/propylene ratio of >0.3 and

    摘要翻译： 本发明涉及一种生产丙烯酸（AA）的方法，包括以下步骤：a）将包含丙烯，氧气，惰性气体和蒸汽的第一气体混合物进行第一催化氧化反应阶段，由此将丙烯 在主催化剂存在下，由所述第一催化氧化反应产生的第二气体混合物中含有丙烯醛，b）将来自第一催化氧化反应阶段的所述第二气体混合物进行第二催化氧化反应阶段，由此将丙烯醛转化为 催化剂主要以AA形式存在于产物气体中，c）将所述产物气体进行骤冷塔，其中所述AA作为包含所述AA的水溶液被回收，所述水溶液包含在工艺用水中，其中过程 在所述骤冷塔的顶部获得排出气体，其中所述第一气体混合物具有> 0.3和<2的蒸汽/丙烯比，并且所述处理水的量为 s或等于从骤冷塔抽出的所述水溶液中的水量。

    Process for the production of acrylic acid
    2.
    发明申请
    Process for the production of acrylic acid 有权
    丙烯酸生产工艺

    公开(公告)号：US20050171380A1

    公开(公告)日：2005-08-04

    申请号：US10498852

    申请日：2002-12-13

    申请人： Gunther Bub ,  Jurgen Mosler ,  Dietrich Maschmeyer ,  Andreas Sabbagh ,  Roland Fornika ,  Matthias Peuckert

    发明人： Gunther Bub ,  Jurgen Mosler ,  Dietrich Maschmeyer ,  Andreas Sabbagh ,  Roland Fornika ,  Matthias Peuckert

    IPC分类号： B01J23/30 ,  B01J8/04 ,  B01J23/88 ,  B01J35/04 ,  C07B61/00 ,  C07C51/235 ,  C07C51/25 ,  C07C51/48 ,  C07C57/055 ,  C07C51/16

    CPC分类号： C07C51/252 ,  C07C57/04

    摘要： The present invention relates to a process for the production of acrylic acid (AA) comprising the steps wherein: a) a 1st gas mixture comprising propylene, oxygen, an inert gas and steam is subjected to a 1st catalytic oxidation reaction stage thereby converting the propylene in the presence of a catalyst mainly into acrolein being contained in a 2nd gas mixture from said 1st catalytic oxidation reaction, b) said 2nd gas mixture from the 1st catalytic oxidation reaction stage is subjected to a 2nd catalytic oxidation reaction stage thereby converting the acrolein in the presence of a catalyst mainly into AA, being contained in a product gas, c) said product gas is subjected to a quench tower, wherein said AA is recovered as an aqueous solution comprising said AA being contained in the process water, wherein a process vent gas is obtained at the top of said quench tower, wherein, said 1st gas mixture has a steam/propylene ratio of >0.3 and

    摘要翻译： 本发明涉及一种生产丙烯酸（AA）的方法，包括以下步骤：a）将包含丙烯，氧气，惰性气体和蒸汽的第一气体混合物进行第一催化氧化反应阶段，由此将丙烯 在主催化剂存在下，由所述第一催化氧化反应产生的第二气体混合物中含有丙烯醛，b）将来自第一催化氧化反应阶段的所述第二气体混合物进行第二催化氧化反应阶段，由此将丙烯醛转化为 催化剂主要以AA形式存在于产物气体中，c）将所述产物气体进行骤冷塔，其中所述AA作为包含所述AA的水溶液被回收，所述水溶液包含在所述工艺用水中， 在所述骤冷塔的顶部获得排出气体，其中所述第一气体混合物具有> 0.3和<2的蒸汽/丙烯比，并且所述处理水的量为 s或等于从骤冷塔抽出的所述水溶液中的水量。

    Process for preparing 1-butene and a 1,3-butadiene derivative
    5.
    发明授权
    Process for preparing 1-butene and a 1,3-butadiene derivative 有权
    制备1-丁烯和1,3-丁二烯衍生物的方法

    公开(公告)号：US08889935B2

    公开(公告)日：2014-11-18

    申请号：US14009722

    申请日：2012-03-21

    申请人： Dietrich Maschmeyer

    发明人： Dietrich Maschmeyer

    IPC分类号： C07C5/327 ,  C07C5/05 ,  C07C43/15 ,  C07C2/06 ,  C07C5/333 ,  C07C7/163 ,  C07C7/04

    CPC分类号： C07C5/327 ,  C07C2/06 ,  C07C5/05 ,  C07C5/333 ,  C07C7/04 ,  C07C7/163 ,  C07C43/15 ,  C07C11/08 ,  C07C11/167

    摘要： A process for preparing 1-butene and a 1,3-butadiene derivative, containing the steps of a) non-oxidatively catalytically dehydrogenating a feedstock gas stream containing n-butane, hydrogen, other low-boiling secondary constituents and high boilers, to form a product mixture containing unreacted n-butane, 1-butene, 2-butenes, 1,3-butadiene, hydrogen, other low-boiling secondary constituents and high boilers; b) removing hydrogen, other low boilers and high boilers, to give a product mixture containing n-butane, 1-butene, two 2-butenes and 1,3-butadiene; c) reacting some of the 1,3-butadiene obtained in the removing b), to form a derivative; d) removing the 1,3-butadiene derivative obtained in the reacting c); e) selectively hydrogenating the 1,3-butadiene not derivatized in the reacting c), to form 1-butene; and f) distillatively removing 1-butene from the hydrocarbon stream obtained in the hydrogenating e), to leave a residual stream.

    摘要翻译： 一种制备1-丁烯和1,3-丁二烯衍生物的方法，包括以下步骤：a）使含有正丁烷，氢气，其他低沸点二级成分和高沸点物质的原料气流非氧化催化脱氢形成 含有未反应的正丁烷，1-丁烯，2-丁烯，1,3-丁二烯，氢，其他低沸点二级成分和高锅炉的产物混合物; b）除去氢气，其他低锅炉和高锅炉，得到含有正丁烷，1-丁烯，两个2-丁烯和1,3-丁二烯的产物混合物; c）使除去b）中得到的一些1,3-丁二烯反应以形成衍生物; d）除去在反应c）中得到的1,3-丁二烯衍生物; e）选择性氢化反应c）中未衍生的1,3-丁二烯，以形成1-丁烯; 和f）从在氢化e）中获得的烃流中蒸馏除去1-丁烯，以留下残余物流。

    PROCESS FOR PREPARING 3-METHYLBUT-1-ENE
    9.
    发明申请
    PROCESS FOR PREPARING 3-METHYLBUT-1-ENE 有权
    制备3-甲基-1-环己烯的方法

    公开(公告)号：US20090163687A1

    公开(公告)日：2009-06-25

    申请号：US12300224

    申请日：2007-05-11

    申请人： Alfred Kaizik ,  Klaus-Diether Wiese ,  Dietrich Maschmeyer ,  Dieter Hess ,  Wilfried Büschken ,  Franz Nierlich

    发明人： Alfred Kaizik ,  Klaus-Diether Wiese ,  Dietrich Maschmeyer ,  Dieter Hess ,  Wilfried Büschken ,  Franz Nierlich

    IPC分类号： C08F110/08 ,  C07C5/27

    CPC分类号： C07C1/24 ,  Y02P20/127 ,  C07C11/10

    摘要： The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I or is identical to it to a process step for hydroformylation in which isobutene is hydroformylated in the presence of a rhodium catalyst, hydrogenating the aldehyde obtained from the hydroformylation of isobutene to the corresponding alcohol and preparing 3-methylbut-1-ene by water elimination from the alcohol.

    摘要翻译： 本发明涉及从包含异丁烯的烃流I中制备3-甲基丁-1-烯，该烃流包含相对于存在于烃流中的烯烃至少70质量％的异丁烯的烃流II，其中 已经从烃流I获得或者与加氢甲酰化的方法步骤相同，其中异丁烯在铑催化剂的存在下被加氢甲酰化，氢化从异丁烯的加氢甲酰化得到的醛到相应的醇，并制备3-甲基丁酸， 1-ene由酒精消除水分。