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公开(公告)号：US07038082B2
公开(公告)日：2006-05-02
申请号：US10647335
申请日：2003-08-26
IPC分类号： B01J29/06
CPC分类号： C07C51/215 , B01J23/002 , B01J23/31 , B01J23/6525 , B01J23/8877 , B01J27/0576 , B01J35/002 , B01J37/0045 , B01J37/0223 , B01J2523/00 , C07C57/04 , B01J2523/55 , B01J2523/56 , B01J2523/64 , B01J2523/68 , B01J2523/824 , B01J2523/845 , B01J2523/54 , B01J2523/44 , B01J2523/17 , B01J2523/847
摘要： A process for preparing a multimetal oxide material which contains the elements Mo, V and Te and/or Sb and at least one of the elements Nb, Ti, W, Ta and Ce and if desired promoters and has a specific X-ray diffraction pattern, in which process the last process step comprises washing with acidic liquids. In addition, a multimetal oxide material obtainable in such a way is used as a catalyst for heterogeneously catalyzed gas-phase partial oxidations and/or ammoxidation of hydrocarbons.
摘要翻译： 一种制备包含元素Mo，V和Te和/或Sb以及元素Nb，Ti，W，Ta和Ce中的至少一种的多金属氧化物材料的方法，并且如果需要的话，具有特定的X射线衍射图 ，其中最后的工艺步骤包括用酸性液体洗涤。 此外，可以以这种方式获得的多金属氧化物材料用作烃的非均相催化气相部分氧化和/或氨氧化的催化剂。
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2.发明授权公开(公告)号：US06867328B2
公开(公告)日：2005-03-15
申请号：US10333060
申请日：2001-07-16
申请人： Frieder Borgmeier , Andreas Tenten , Hartmut Hibst , Klaus Joachim Müller-Engel , Signe Unverricht , Gerhard Cox
发明人： Frieder Borgmeier , Andreas Tenten , Hartmut Hibst , Klaus Joachim Müller-Engel , Signe Unverricht , Gerhard Cox
IPC分类号： B01J23/00 , B01J23/28 , B01J27/057 , B01J37/02 , C07B61/00 , C07C45/33 , C07C45/35 , C07C51/215 , C07C57/05 , C07C57/02
CPC分类号： B01J23/002 , B01J23/28 , B01J27/0576 , B01J37/0232 , B01J2523/00 , C07C51/215 , B01J2523/55 , B01J2523/56 , B01J2523/64 , B01J2523/68 , C07C57/04
摘要： The invention relates to a method for producing acrylic acid by the heterogeneously catalysed gas-phase oxidation of propane on a multi-metal oxide mass, said mass containing the elements Mo, V, Te and/or Sb and having a specific X-ray diffractogram.
摘要翻译： 本发明涉及通过在多金属氧化物质上非均相催化的丙烷气相氧化制备丙烯酸的方法，所述物质含有元素Mo，V，Te和/或Sb并具有特定的X射线衍射图 。
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公开(公告)号：US07012157B2
公开(公告)日：2006-03-14
申请号：US10934624
申请日：2004-09-07
IPC分类号： C07C51/16
CPC分类号： C07C51/215 , B01J23/002 , B01J23/28 , B01J23/8877 , B01J27/0576 , B01J35/0006 , B01J37/0045 , B01J2523/00 , C07C57/04 , B01J2523/55 , B01J2523/56 , B01J2523/64 , B01J2523/68 , B01J2523/847 , B01J2523/32
摘要： A process for preparing (meth)acrylic acid, in which a saturated hydrocarbon precursor compound is conducted through a catalyst charge which consists of two spatially successive catalyst beds I, II in the flow direction of the reaction mixture, each of which contains different catalysts and has different reaction-selectivity behavior.
摘要翻译： 一种制备（甲基）丙烯酸的方法，其中饱和烃前体化合物通过催化剂装料进行，催化剂装料由反应混合物流动方向上的两个空间连续的催化剂床I，II组成，每个催化剂床含有不同的催化剂和 具有不同的反应选择性行为。
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4.发明授权Method for the production of acrolein or acrylic acid or the mixture thereof from propane 有权从丙烷生产丙烯醛或丙烯酸或其混合物的方法公开(公告)号：US06781017B2
公开(公告)日：2004-08-24
申请号：US10297602
申请日：2002-12-13
申请人： Otto Machhammer , Goetz-Peter Schindler , Andreas Tenten , Klaus Harth , Peter Zehner , Klaus Joachim Müller-Engel , Frank Rosowski , Frieder Borgmeier
发明人： Otto Machhammer , Goetz-Peter Schindler , Andreas Tenten , Klaus Harth , Peter Zehner , Klaus Joachim Müller-Engel , Frank Rosowski , Frieder Borgmeier
IPC分类号： C07C4500
CPC分类号： C07C51/215 , C07C5/333 , C07C45/33 , C07C45/35 , C07C51/252 , C07C11/06 , C07C47/22 , C07C57/04
摘要： In a process for the preparation of acrolein or acrylic acid or a mixture thereof from propane, the propane is subjected, in a first reaction stage, to a partial dehydrogenation under heterogeneous catalysis to give propene, of the components contained in the product gas mixture formed in the first reaction stage other than propene and propane at least a portion of the molecular hydrogen present is then separated off from said mixture and the product gas mixture is then used for the preparation of acrolein and/or acrylic acid by gas-phase catalytic propylene oxidation, molecular nitrogen being present for diluting the reaction gas mixture during the propylene oxidation.
摘要翻译： 在从丙烷制备丙烯醛或丙烯酸或其混合物的方法中，丙烷在第一反应阶段中在非均相催化下进行部分脱氢以形成产物气体混合物中所含组分的丙烯 在除丙烯和丙烷之外的第一反应阶段中，存在的分子氢的至少一部分然后从所述混合物中分离出来，然后将产物气体混合物用于通过气相催化丙烯制备丙烯醛和/或丙烯酸 存在氧化，分子氮，用于在丙烯氧化期间稀释反应气体混合物。
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5.发明授权Method for carrying out the catalytic gas phase oxidation of propene to form acrylic acid 失效进行催化气相氧化丙烯以形成丙烯酸的方法公开(公告)号：US06740779B1
公开(公告)日：2004-05-25
申请号：US10110227
申请日：2002-04-22
申请人： Andreas Tenten , Hartmut Hibst , Otto Machhammer , Claus Hechler , Klaus Joachim Müller-Engel , Signe Unverricht
发明人： Andreas Tenten , Hartmut Hibst , Otto Machhammer , Claus Hechler , Klaus Joachim Müller-Engel , Signe Unverricht
IPC分类号： C07C5702
摘要： In a process for the two-stage catalytic gas-phase oxidation of propene to acrylic acid, the reaction gas starting mixture is passed, in a tube-bundle reactor, with a propene loading of ≧160 l (S.T.P.) of propene/l·h, first over a fixed catalyst bed 1 present in two successive temperature zones A, B and then over a fixed catalyst bed 2 which is housed either in one further temperature zone C or in two further temperature zones D, E, the temperature of the zone A being kept at a lower temperature than the zone B and the temperature of the zone D at a lower temperature than the zone E.
摘要翻译： 在将丙烯二阶段催化气相氧化成丙烯酸的过程中，将反应气体起始混合物在管束反应器中以丙烯/丙烯的加入量为约160l（STP）/ 1h 首先在存在于两个连续的温度区域A，B中的固定的催化剂床1上，然后在固定的催化剂床2上，该固定的催化剂床2容纳在一个另外的温度区域C或两个另外的温度区域D，E中， A在比区域B低的温度下保持在比区域B低的温度和区域D的温度。
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6.发明授权Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of acrolein to acrylic acid 失效长期运行丙烯醛异丙烯醛到丙烯酸的异质催化气相部分氧化公开(公告)号：US07022877B2
公开(公告)日：2006-04-04
申请号：US10962570
申请日：2004-10-13
IPC分类号： C07C51/235
CPC分类号： C07C51/252 , C07C57/04
摘要： A process for the long-term operation of a heterogeneously catalyzed gas phase partial oxidation of acrolein to acrylic acid, in which the temperature of the fixed catalyst bed is increased over time and partial oxidation is interrupted and an oxygen-containing gas is conducted through the fixed catalyst bed before the temperature increase is 8° C.
摘要翻译： 长期运行丙烯醛到丙烯酸的非均相催化气相部分氧化丙烯醛的方法，其中固定催化剂床的温度随时间增加并且部分氧化被中断，并且含氧气体通过 固定催化剂床前温度升高8℃
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7.发明授权Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid 有权将丙烯非均相催化部分气相氧化成丙烯酸公开(公告)号：US07019168B2
公开(公告)日：2006-03-28
申请号：US10465653
申请日：2003-06-20
CPC分类号： C07C51/252 , C07C57/04
摘要： In a process for partially oxidizing propene to acrylic acid in the gas phase under heterogeneous catalysis, a starting reaction gas mixture comprising propene and oxygen and having a specific composition is oxidized in a first reaction stage over a first fixed catalyst bed having a volume-specific activity which is constant or increases in the flow direction and the acrolein-containing product gas mixture of the first reaction stage is subsequently oxidized in a second reaction stage over a second fixed catalyst bed having a volume-specific activity increasing in the flow direction, and the shaped catalyst bodies of both fixed catalyst beds are annular and each have a specific multimetal oxide composition.
摘要翻译： 在非均相催化下在气相中将丙烯部分氧化为丙烯酸的方法中，包含丙烯和氧并具有特定组成的起始反应气体混合物在第一反应阶段在具有体积特异性的第一固定催化剂床上被氧化 随后在第二反应阶段，在流动方向上具有体积比活度增加的第二固定催化剂床上氧化第一反应段的流动方向恒定或增加的含丙烯醛的产物气体混合物的活性，以及 两个固定催化剂床的成形催化剂体是环状的，并且各自具有特定的多金属氧化物组合物。
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8.发明授权Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid 有权将丙烯非均相催化部分气相氧化成丙烯酸公开(公告)号：US06888024B2
公开(公告)日：2005-05-03
申请号：US10799754
申请日：2004-03-15
CPC分类号： B01J23/002 , B01J23/8876 , B01J23/8877 , B01J35/0006 , B01J37/0221 , B01J2523/00 , C07C51/252 , C07C57/04 , B01J2523/17 , B01J2523/55 , B01J2523/68 , B01J2523/69 , B01J2523/13 , B01J2523/41 , B01J2523/54 , B01J2523/842 , B01J2523/845
摘要： In a process for heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid, the starting reaction gas mixture is oxidized at a propene loading of
摘要翻译： 在将丙烯非均相催化的部分气相氧化成丙烯酸的过程中，起始反应气体混合物在第一反应阶段中以<160l（STP）/ 1h的丙烯负载量在被容纳的固定催化剂床1上被氧化 在两个连续的反应区A，B和第一反应阶段的含丙烯醛的产物气体混合物随后在第二反应阶段中在固定的催化剂床2上氧化，固定的催化剂床2容纳在两个连续的反应区C，D中， 反应区A内的反应气体混合物的最高温度高于反应区B内反应气体混合物的最高温度，反应区C内的反应气体混合物的最高温度高于反应气体混合物的最高温度 区D.
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9.发明授权Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component 有权从包含丙烯酸作为主要成分和目标产物的液相中除去甲基丙烯酸的方法和甲基丙烯酸作为次要组分公开(公告)号：US07705181B2
公开(公告)日：2010-04-27
申请号：US11354101
申请日：2006-02-15
IPC分类号： C07C51/42
摘要： A process for removing methacrylic acid from liquid phase P comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component in which the removal is effected by crystallization, the acrylic acid accumulating in the crystals formed and the methacrylic acid in the remaining mother liquor.
摘要翻译： 从包含丙烯酸作为主要成分和目标产物的液相P中除去甲基丙烯酸的方法，以及甲基丙烯酸作为其中通过结晶进行除去的次要组分，在形成的晶体中积聚的丙烯酸和形成的晶体中的甲基丙烯酸 剩下的母酒。
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10.发明授权Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid 有权丙烯醛的异相催化部分气相氧化成丙烯酸公开(公告)号：US06982347B2
公开(公告)日：2006-01-03
申请号：US10806460
申请日：2004-03-23
IPC分类号： C07C51/235
CPC分类号： C07C51/252 , C07C57/04
摘要： In a process for partially oxidizing acrolein to acrylic acid in the gas phase under heterogeneous catalysis, the starting reaction gas mixture is oxidized at an acrolein loading of ≦145 and ≧70 l (STP) of acrolein/l of fixed catalyst bed·h over a fixed catalyst bed which is accommodated in two successive reaction zones A, B, the highest temperature of the reaction gas mixture within reaction zone A being above the highest temperature of the reaction gas mixture within reaction zone B.
摘要翻译： 在非均相催化下在气相中将丙烯醛部分氧化为丙烯酸的方法中，起始反应气体混合物以丙烯醛负载<= 145和> = 70l（STP）的丙烯醛/ l固定催化剂床进行氧化。 h在固定的催化剂床上，其被容纳在两个连续的反应区A，B中，反应区A内的反应气体混合物的最高温度高于反应区B内的反应气体混合物的最高温度。
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