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公开(公告)号:US20080177111A1
公开(公告)日:2008-07-24
申请号:US12057617
申请日:2008-03-28
申请人: Frederik van Laar , Ekkehard Schwab , Steffen Oehlenschlager , Hartwig Voss , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel , Bernd Weidner
发明人: Frederik van Laar , Ekkehard Schwab , Steffen Oehlenschlager , Hartwig Voss , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel , Bernd Weidner
IPC分类号: C07C209/00
CPC分类号: C07C209/36 , B01J21/18 , B01J23/892 , B01J37/03 , B01J37/14 , B01J37/18 , C07C211/51
摘要: The present invention provides a process for hydrogenating aromatic nitro compounds to the corresponding amines in the presence of hydrogenation catalysts, which comprises using hydrogenation catalysts in which nickel and platinum are present on a support in the form of an alloy having an atomic ratio of nickel to platinum in the alloy of between 30:70 and 70:30.
摘要翻译: 本发明提供了在氢化催化剂存在下将芳族硝基化合物氢化成相应的胺的方法,该方法包括使用氢化催化剂,其中镍和铂以合金的形式存在于载体上,其原子比为镍与 合金中的铂在30:70和70:30之间。
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公开(公告)号:US20070149814A1
公开(公告)日:2007-06-28
申请号:US10575924
申请日:2004-10-15
申请人: Frederik van Laar , Ekkehard Schwab , Steffen Oehlenschlager , Hartwig Voss , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel , Bernd Weidner
发明人: Frederik van Laar , Ekkehard Schwab , Steffen Oehlenschlager , Hartwig Voss , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel , Bernd Weidner
IPC分类号: C07C209/36 , B01J21/00
CPC分类号: C07C209/36 , B01J21/18 , B01J23/892 , B01J37/03 , B01J37/14 , B01J37/18 , C07C211/51
摘要: The present invention provides a process for hydrogenating aromatic nitro compounds to the corresponding amines in the presence of hydrogenation catalysts, which comprises using hydrogenation catalysts in which nickel and platinum are present on a support in the form of an alloy having an atomic ratio of nickel to platinum in the alloy of between 30:70 and 70:30.
摘要翻译: 本发明提供了在氢化催化剂存在下将芳族硝基化合物氢化成相应的胺的方法,该方法包括使用氢化催化剂,其中镍和铂以合金的形式存在于载体上,其原子比为镍与 合金中的铂在30:70和70:30之间。
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公开(公告)号:US07468461B2
公开(公告)日:2008-12-23
申请号:US12057617
申请日:2008-03-28
申请人: Frederik Van Laar , Ekkehard Schwab , Steffen Oehlenschlaeger , Hartwig Voss , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel , Bernd Weidner
发明人: Frederik Van Laar , Ekkehard Schwab , Steffen Oehlenschlaeger , Hartwig Voss , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel , Bernd Weidner
IPC分类号: C07C209/00 , B01J23/89
CPC分类号: C07C209/36 , B01J21/18 , B01J23/892 , B01J37/03 , B01J37/14 , B01J37/18 , C07C211/51
摘要: The present invention provides a process for hydrogenating aromatic nitro compounds to the corresponding amines in the presence of hydrogenation catalysts, which comprises using hydrogenation catalysts in which nickel and platinum are present on a support in the form of an alloy having an atomic ratio of nickel to platinum in the alloy of between 30:70 and 70:30.
摘要翻译: 本发明提供了在氢化催化剂存在下将芳族硝基化合物氢化成相应的胺的方法,该方法包括使用氢化催化剂,其中镍和铂以合金的形式存在于载体上,其原子比为镍与 合金中的铂在30:70和70:30之间。
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公开(公告)号:US20100015012A1
公开(公告)日:2010-01-21
申请号:US12505238
申请日:2009-07-17
申请人: Dominic Vanoppen , Frederik Van Laar , Thomas Beuermann , Georg Krug , Steffen Oehlenschlager , Ekkehard Schwab , Hartwig Voss , Konrad Morgenschweis , Ulrich Penzel , Dietrich Tittelbach-Helmrich
发明人: Dominic Vanoppen , Frederik Van Laar , Thomas Beuermann , Georg Krug , Steffen Oehlenschlager , Ekkehard Schwab , Hartwig Voss , Konrad Morgenschweis , Ulrich Penzel , Dietrich Tittelbach-Helmrich
IPC分类号: B01J19/00
CPC分类号: B01J19/0033 , B01J8/006 , B01J8/007 , B01J8/22 , B01J19/002 , B01J2208/00637 , B01J2219/002 , B01J2219/00225 , B01J2219/00263 , C07C209/36 , G01N21/31 , C07C211/51
摘要: The invention relates to a process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, in which a fluid reaction mixture which comprises amines and from which the catalysts are separated off is formed in a reactor. After the catalysts have been separated off, a measurement of the absorption of UV/VIS radiation by the reaction mixture is carried out to determine the concentration of nitro and nitroso compounds in the reaction mixture.
摘要翻译: 本发明涉及通过在催化剂存在下氢化硝基芳族化合物来制备芳族胺的方法,其中在反应器中形成包含胺并在其中分离催化剂的流体反应混合物。 催化剂分离后,进行反应混合物对UV / VIS辐射吸收的测定,以确定反应混合物中硝基和亚硝基化合物的浓度。
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公开(公告)号:US20080146848A1
公开(公告)日:2008-06-19
申请号:US11816658
申请日:2006-02-22
申请人: Dominic Vanoppen , Frederik van Laar , Thomas Beuemann , Georg Krug , Steffen Oehlenschlager , Ekkehard Schwab , Hartwig Voss , Konrad Morgenschweis , Ulrich Penzel , Dietrich Tittelbach-Helmrich
发明人: Dominic Vanoppen , Frederik van Laar , Thomas Beuemann , Georg Krug , Steffen Oehlenschlager , Ekkehard Schwab , Hartwig Voss , Konrad Morgenschweis , Ulrich Penzel , Dietrich Tittelbach-Helmrich
IPC分类号: C07C211/50 , B01J14/00
CPC分类号: B01J19/0033 , B01J8/006 , B01J8/007 , B01J8/22 , B01J19/002 , B01J2208/00637 , B01J2219/002 , B01J2219/00225 , B01J2219/00263 , C07C209/36 , G01N21/31 , C07C211/51
摘要: The invention relates to a process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, in which a fluid reaction mixture which comprises amines and from which the catalysts are separated off is formed in a reactor. After the catalysts have been separated off, a measurement of the absorption of UV/VIS radiation by the reaction mixture is carried out to determine the concentration of nitro and nitroso compounds in the reaction mixture.
摘要翻译: 本发明涉及通过在催化剂存在下氢化硝基芳族化合物来制备芳族胺的方法,其中在反应器中形成包含胺并在其中分离催化剂的流体反应混合物。 催化剂分离后,进行反应混合物对UV / VIS辐射吸收的测定,以确定反应混合物中硝基和亚硝基化合物的浓度。
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公开(公告)号:US20050177003A1
公开(公告)日:2005-08-11
申请号:US10500862
申请日:2003-01-30
申请人: Dominic Vanoppen , Ekkehard Schwab , Frederik Laar , Hartwig Voss , Steffen Oehlenschlager , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel
发明人: Dominic Vanoppen , Ekkehard Schwab , Frederik Laar , Hartwig Voss , Steffen Oehlenschlager , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel
IPC分类号: C07C29/36 , C07C209/36 , C07C209/86
CPC分类号: C07C209/36 , C07C209/86 , C07C211/50 , C07C211/46
摘要: The invention provides a process for preparing amines by catalytic hydrogenation of nitroaromatics and subsequent removal of the catalysts from the reaction mixture, which contains at least one aromatic amine and water, which comprises carrying out the removal of the catalysts by means of membrane filtration, which is carried out at a pressure on the suspension side of from 5 to 50 bar, a pressure difference between the suspension side and the permeate side of at least 0.3 bar and a flux rate on the suspension side of from 1 to 6 m/s.
摘要翻译: 本发明提供了一种通过硝基芳族化合物的催化氢化和随后从含有至少一种芳族胺和水的反应混合物中除去催化剂来制备胺的方法,其包括通过膜过滤进行催化剂的除去, 在悬浮侧的压力为5至50巴,悬浮液侧和渗透侧之间的压力差为至少0.3巴,悬浮侧的通量速率为1至6m / s。
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公开(公告)号:US07091383B2
公开(公告)日:2006-08-15
申请号:US10500862
申请日:2003-01-30
申请人: Dominic Vanoppen , Ekkehard Schwab , Frederick van Laar , Hartwig Voss , Steffen Oehlenschlaeger , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel , Bernd Weidner
发明人: Dominic Vanoppen , Ekkehard Schwab , Frederick van Laar , Hartwig Voss , Steffen Oehlenschlaeger , Wolfgang Mackenroth , Konrad Morgenschweis , Ulrich Penzel , Bernd Weidner
IPC分类号: C07C209/36
CPC分类号: C07C209/36 , C07C209/86 , C07C211/50 , C07C211/46
摘要: The invention provides a process for preparing amines by catalytic hydrogenation of nitroaromatics and subsequent removal of the catalysts from the reaction mixture, which contains at least one aromatic amine and water, which comprises carrying out the removal of the catalysts by means of membrane filtration, which is carried out at a pressure on the suspension side of from 5 to 50 bar, a pressure difference between the suspension side and the permeate side of at least 0.3 bar and a flux rate on the suspension side of from 1 to 6 m/s.
摘要翻译: 本发明提供了一种通过硝基芳族化合物的催化氢化和随后从含有至少一种芳族胺和水的反应混合物中除去催化剂来制备胺的方法,该方法包括通过膜过滤进行催化剂的除去, 在悬浮侧的压力为5至50巴,悬浮液侧和渗透侧之间的压力差为至少0.3巴,悬浮侧的通量速率为1至6m / s。
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公开(公告)号:US07595424B2
公开(公告)日:2009-09-29
申请号:US11816658
申请日:2006-02-22
申请人: Dominic Vanoppen , Frederik Van Laar , Thomas Beuermann , Georg Krug , Steffen Oehlenschlaeger , Ekkehard Schwab , Hartwig Voss , Konrad Morgenschweis , Ulrich Penzel , Dietrich Tittelbach-Helmrich
发明人: Dominic Vanoppen , Frederik Van Laar , Thomas Beuermann , Georg Krug , Steffen Oehlenschlaeger , Ekkehard Schwab , Hartwig Voss , Konrad Morgenschweis , Ulrich Penzel , Dietrich Tittelbach-Helmrich
IPC分类号: C07C209/36
CPC分类号: B01J19/0033 , B01J8/006 , B01J8/007 , B01J8/22 , B01J19/002 , B01J2208/00637 , B01J2219/002 , B01J2219/00225 , B01J2219/00263 , C07C209/36 , G01N21/31 , C07C211/51
摘要: The invention relates to a process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, in which a fluid reaction mixture which comprises amines and from which the catalysts are separated off is formed in a reactor. After the catalysts have been separated off, a measurement of the absorption of UV/VIS radiation by the reaction mixture is carried out to determine the concentration of nitro and nitroso compounds in the reaction mixture.
摘要翻译: 本发明涉及通过在催化剂存在下氢化硝基芳族化合物来制备芳族胺的方法,其中在反应器中形成包含胺并在其中分离催化剂的流体反应混合物。 催化剂分离后,进行反应混合物对UV / VIS辐射吸收的测定,以确定反应混合物中硝基和亚硝基化合物的浓度。
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公开(公告)号:US07408086B2
公开(公告)日:2008-08-05
申请号:US10478475
申请日:2002-05-16
申请人: Dominic Vanoppen , Ekkehard Schwab , Joern Mueller , Ulrich Penzel , Gunter Georgi , Bernd Weidner , Dietrich Tittelbach-Helmrich , Juergen Dahlhaus
发明人: Dominic Vanoppen , Ekkehard Schwab , Joern Mueller , Ulrich Penzel , Gunter Georgi , Bernd Weidner , Dietrich Tittelbach-Helmrich , Juergen Dahlhaus
CPC分类号: B01J21/066 , B01J21/063 , B01J23/755 , B01J23/78 , B01J23/83 , B01J35/0013 , B01J35/002 , B01J35/006 , B01J37/03 , C07C209/36 , C07C211/46 , C07C211/47 , C07C211/51
摘要: A catalyst comprising nickel on a TiO2 support is obtainable by coprecipitation of nickel and at least one further metal selected from among Si, Zr, Hf, alkaline earth metals, Y, La and Ce, and optionally at least one dopant metal selected from groups 5 to 11 of the Periodic Table of the Elements, from a solution in which the corresponding metal salts are present onto a particulate TiO2 support, subsequent drying, calcination and reduction and optionally passivation to give the nickel-containing catalyst. It is used, in particular, for the hydrogenation of nitroaromatic compounds.
摘要翻译: 包含镍在TiO 2载体上的催化剂可通过镍和至少一种选自Si,Zr,Hf,碱土金属,Y,La和Ce中的至少一种金属的共沉淀和任选在 选自元素周期表第5至11组的至少一种掺杂剂金属,其中相应的金属盐存在于颗粒TiO 2载体上,然后干燥,煅烧和还原, 任选地钝化以得到含镍催化剂。 它特别用于硝基芳族化合物的氢化。
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公开(公告)号:US07342134B2
公开(公告)日:2008-03-11
申请号:US10585648
申请日:2005-01-07
申请人: Carsten Knoesche , Martin Sohn , Ulrich Penzel , Hans-Juergen Pallasch , Gunter Georgi , Wolfgang Mackenroth , Hans Volkmar Schwarz , Stefan Maixner , Gerald Molz , Eckhard Stroefer
发明人: Carsten Knoesche , Martin Sohn , Ulrich Penzel , Hans-Juergen Pallasch , Gunter Georgi , Wolfgang Mackenroth , Hans Volkmar Schwarz , Stefan Maixner , Gerald Molz , Eckhard Stroefer
IPC分类号: C07C209/00
CPC分类号: C07C209/84 , C07C211/50
摘要: The invention relates to a process for distillatively preparing TDA from a reactant stream comprising TDA, high boilers and low boilers in a dividing wall column in which a dividing wall is disposed in the longitudinal direction of the column to form an upper combined column region (2), a lower combined column region (3), a feed section (4) having a rectifying section (5) and stripping section (6), and also a withdrawal section (7) having a rectifying section (9) and stripping section (8), which comprises the following steps: a. feeding the reactant stream (13) into the feed section (4) of the dividing wall column (1); b. drawing off a low boiler fraction via the top of the column (11); c. drawing off TDA via a side draw (14) in the withdrawal section (7) of the dividing wall column (1); d. drawing off a low boiler fraction via the bottom of the column (12).
摘要翻译: 本发明涉及从分隔壁塔中的TDA,高锅炉和低锅炉的反应物流中蒸馏制备TDA的方法,其中分隔壁沿塔的长度方向设置以形成上部组合塔区域(2 ),下组合柱区域(3),具有精馏段(5)和汽提区段(6)的进料段(4),以及具有整流段(9)和汽提段 8),其中包括以下步骤:a。 将反应物流(13)进料到分隔壁塔(1)的进料段(4)中; b。 通过塔(11)的顶部排出低沸点馏分; C。 通过分隔壁塔(1)的抽出部分(7)中的侧拉(14)抽出TDA; d。 通过柱(12)的底部排出低沸点馏分。
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