公开(公告)号：US20120226087A1

公开(公告)日：2012-09-06

申请号：US13411080

申请日：2012-03-02

申请人： Albena Kostova ,  Regina Benfer ,  Jochen Götz ,  Alireza Rezai ,  Aristides Morillo ,  Gerhard Olbert ,  Peter Pfab ,  Grigorios Kolios ,  Markus Weber ,  Alexander Weck

发明人： Albena Kostova ,  Regina Benfer ,  Jochen Götz ,  Alireza Rezai ,  Aristides Morillo ,  Gerhard Olbert ,  Peter Pfab ,  Grigorios Kolios ,  Markus Weber ,  Alexander Weck

IPC分类号： C07C7/11 ,  C07C7/04 ,  C07C7/08

CPC分类号： C07C7/04 ,  C07C7/08 ,  C07C7/11 ,  C07C11/08 ,  C07C11/167

摘要： The invention relates to a process for workup of a stream (1) comprising butene and/or butadiene, butane, hydrogen and/or nitrogen and carbon dioxide, comprising: (a) absorption of stream (1) with a mixture (5) comprising 80 to 97% by weight of N-methylpyrrolidone and 3 to 20% by weight of water to obtain a stream (9) comprising N-methylpyrrolidone, water, butene and/or butadiene, butane, and optionally carbon dioxide, and a stream (7) comprising hydrogen and/or nitrogen and butane, (b) extractive distillation of stream (9) with a stream (13) comprising 80 to 97% by weight of N-methylpyrrolidone and 3 to 20% by weight of water to separate the stream (9) into a stream (17) comprising N-methylpyrrolidone, water, butene and/or butadiene, and a stream (15) comprising essentially butane, and optionally carbon dioxide, (c) distillation of stream (17) into a stream (23) comprising essentially N-methylpyrrolidone and water, and a stream (21) comprising butene and/or butadiene.

摘要翻译： 本发明涉及一种用于后处理包含丁烯和/或丁二烯，丁烷，氢气和/或氮气和二氧化碳的物流（1）的方法，其包括：（a）通过混合物（5）吸收料流（1） 80至97重量％的N-甲基吡咯烷酮和3至20重量％的水，以获得包含N-甲基吡咯烷酮，水，丁烯和/或丁二烯，丁烷和任选的二氧化碳的流（9）和流 7）包含氢和/或氮和丁烷，（b）用包含80至97重量％的N-甲基吡咯烷酮和3至20重量％的水的料流（13）萃取蒸馏料流（9）以分离 （9）进入包含N-甲基吡咯烷酮，水，丁烯和/或丁二烯的物流（17）和基本上包含丁烷和任选的二氧化碳的物流（15），（c）将物流（17）蒸馏成流 （23）和包含丁烯和/或丁二烯的物流（21）。

公开(公告)号：US20110118365A1

公开(公告)日：2011-05-19

申请号：US12950646

申请日：2010-11-19

申请人： JOCHEN STEINER ,  Kerem Bay ,  Ekkehard Schwab ,  Alexander Weck

发明人： JOCHEN STEINER ,  Kerem Bay ,  Ekkehard Schwab ,  Alexander Weck

IPC分类号： C07C1/12

CPC分类号： C10G2/332 ,  C07C1/044 ,  C07C2523/745 ,  C07C2523/75 ,  C07C2531/20 ,  C10G2300/1025 ,  C10G2400/20 ,  C10G2400/22 ,  Y02P30/40 ,  C07C11/02

摘要： Process for preparing olefins, which comprises the following steps: a) preparation of a synthesis gas comprising carbon monoxide and hydrogen, b) introduction of carbon dioxide recirculated from step d) into the synthesis gas during or after the preparation of synthesis gas as per step a), c) conversion of the synthesis gas having a hydrogen to carbon monoxide ratio of ≦1.2:1 which is obtained in step b) into olefins in the presence of a Fischer-Tropsch catalyst, d) removal of the carbon dioxide comprised in the reaction product from step c), where the ratio of hydrogen to carbon monoxide in step c) is set via step b).

摘要翻译： 制备烯烃的方法，其包括以下步骤：a）制备包含一氧化碳和氢气的合成气，b）根据步骤在合成气制备期间或之后将从步骤d）再循环的二氧化碳引入合成气中 a），c）在费 - 托催化剂的存在下，将步骤b）中获得的氢气与一氧化碳比为1：1:1的合成气转化为烯烃，d）除去包含的二氧化碳 在步骤c）的反应产物中，其中通过步骤b）设定步骤c）中的氢与一氧化碳的比例。

公开(公告)号：US07442810B2

公开(公告)日：2008-10-28

申请号：US10581074

申请日：2004-12-04

申请人： Markus Roesch ,  Rolf Pinkos ,  Michael Hesse ,  Stephan Schlitter ,  Henrik Junicke ,  Olga Schubert ,  Alexander Weck ,  Gunther Windecker

发明人： Markus Roesch ,  Rolf Pinkos ,  Michael Hesse ,  Stephan Schlitter ,  Henrik Junicke ,  Olga Schubert ,  Alexander Weck ,  Gunther Windecker

IPC分类号： C07D307/00 ,  C07D307/02

CPC分类号： C07D307/33 ,  C07D307/08

摘要： A process for variably preparing mixtures of optionally alkyl-substituted BDO, GBL and THF by two-stage hydrogenation in the gas phase of C4 dicarboxylic acids and/or derivatives thereof, which comprises a) hydrogenating in a gas phase a gas stream of C4 dicarboxylic acids and/or derivatives thereof over a particular catalyst at a particular pressure and temperature to give a stream mainly containing of optionally alkyl-substituted GBL and THF, b) removing any succinct anhydride, c) converting the products remaining predominantly in the gas phase in the partial condensation, THF, water and GBL to give a stream comprising a mixture of BDO, GBL and THF, d) removing the hydrogen from the products and recycling it into the hydrogenation, e) distillatively separating the products, THF, BDO, GBL and water, if appropriate recycling a GBL-rich stream or if appropriate discharging it, and working up BDO, THF and GBL distillatively, and setting the ratio of the products, THF, GBL and BDO, relative to one another within the range from 10 to 100% by weight of THF, from 0 to 90% by weight of GBL and from 0 to 90% by weight of BDO only by varying the temperatures in the two hydrogenation zones and also if appropriate the GBL recycle stream.

摘要翻译： 一种在可能地制备任选烷基取代的BDO，GBL和THF的混合物的方法，其通过在C 4 C 4羧酸和/或其衍生物的气相中进行两步氢化，其包括a）在 在特定的压力和温度下，将特定催化剂上的C 4 O 2羧酸和/或其衍生物的气流气相，得到主要含有烷基取代的GBL和THF的物流，b）除去 任何简单的酸酐，c）将部分冷凝，THF，水和GBL中主要保留在气相中的产物进行转化，得到包含BDO，GBL和THF的混合物的流，d）从产物中除去氢并将其再循环 进入氢化，e）蒸馏分离产物，THF，BDO，GBL和水，如果适当回收富含GBL的物流或适当排放，并蒸馏处理BDO，THF和GBL，并设定产物的比例 ，TH F，GBL和BDO相对于10重量％至100重量％的THF，0至90重量％的GBL​​和0至90重量％的BDO，仅通过改变两者中的温度 加氢区，如果合适的话也可以使用GBL再循环流。

公开(公告)号：US20080207949A1

公开(公告)日：2008-08-28

申请号：US11720774

申请日：2005-12-03

申请人： Horst Grafmans ,  Steffen Maas ,  Alexander Weck ,  Heinz Rutter ,  Michael Schulz ,  Karl-Heinz Ross

发明人： Horst Grafmans ,  Steffen Maas ,  Alexander Weck ,  Heinz Rutter ,  Michael Schulz ,  Karl-Heinz Ross

IPC分类号： C07C233/05

CPC分类号： C07C231/02 ,  C07C233/05

摘要： A process for preparing N,N-dimethylacetamide (DMAC) by continuously reacting methyl acetate (MeOAc) with dimethylamine (DMA) in the presence of a basic catalyst, wherein MeOAc is used in the form of a methanolic solution which is obtained as a by-product in the preparation of polyTHF by transesterifying polyTHF diacetate with methanol.

摘要翻译： 在碱性催化剂存在下，通过使乙酸甲酯（MeOAc）与二甲胺（DMA）连续反应制备N，N-二甲基乙酰胺（DMAC）的方法，其中MeOAc以甲醇溶液的形式使用，其以 - 通过用甲醇将聚乙二醇二酯交酯化制备polyTHF的产物。

公开(公告)号：US07351311B2

公开(公告)日：2008-04-01

申请号：US10505774

申请日：2003-02-28

申请人： Gunther Windecker ,  Alexander Weck ,  Rolf-Hartmuth Fischer ,  Markus Rösch ,  Nils Bottke ,  Michael Hesse ,  Stephan Schlitter ,  Holger Borchert

发明人： Gunther Windecker ,  Alexander Weck ,  Rolf-Hartmuth Fischer ,  Markus Rösch ,  Nils Bottke ,  Michael Hesse ,  Stephan Schlitter ,  Holger Borchert

IPC分类号： B01D3/14 ,  C07D307/08

CPC分类号： B01D3/146 ,  C07D307/08 ,  Y10S203/20

摘要： Crude water-containing tetrahydrofuran is purified by passing the crude tetrahydrofuran through three distillation columns, withdrawing water from the bottom of the first column, recycling water-containing tetrahydrofuran from the top of the second column into the first column, passing a sidestream of the first column into the second column, recycling the bottom product of the third column into the first column, and withdrawing a distillate at the top of the first column. Additionally, a sidestream of the second column is passed into the third column and the purified tetrahydrofuran is recovered as the top product of the third column.

摘要翻译： 通过将粗四氢呋喃通过三个蒸馏塔，从第一塔的底部排出水，将含水四氢呋喃从第二塔的顶部再循环到第一塔中，将第一个塔 塔进入第二列，将第三塔的底部产物回收到第一塔中，并且抽出第一塔顶部的馏出物。 此外，将第二塔的侧流送入第三塔，回收纯化的四氢呋喃作为第三塔的顶部产物。

公开(公告)号：US20080058539A1

公开(公告)日：2008-03-06

申请号：US11575668

申请日：2005-09-21

申请人： Gunther Windecker ,  Alexander Weck ,  Markus Rosch ,  Michael Steiniger ,  Rolf Pinkos ,  Dany Hautte

发明人： Gunther Windecker ,  Alexander Weck ,  Markus Rosch ,  Michael Steiniger ,  Rolf Pinkos ,  Dany Hautte

IPC分类号： C07D307/02

CPC分类号： C07D307/08

摘要： The present invention provides a process for distillatively purifying tetrahydrofuran in the presence of a polar solvent.

摘要翻译： 本发明提供一种在极性溶剂存在下蒸馏精制四氢呋喃的方法。

公开(公告)号：US07271299B2

公开(公告)日：2007-09-18

申请号：US10516922

申请日：2003-06-11

申请人： Michael Hesse ,  Stephan Schlitter ,  Holger Borchert ,  Markus Schubert ,  Markus Rösch ,  Nils Bottke ,  Rolf-Hartmuth Fischer ,  Alexander Weck ,  Gunther Windecker ,  Gunnar Heydrich

发明人： Michael Hesse ,  Stephan Schlitter ,  Holger Borchert ,  Markus Schubert ,  Markus Rösch ,  Nils Bottke ,  Rolf-Hartmuth Fischer ,  Alexander Weck ,  Gunther Windecker ,  Gunnar Heydrich

IPC分类号： C07C31/18

CPC分类号： C07C29/149 ,  C07C31/207

摘要： Optionally alkyl-substituted 1,4-butanediol is prepared from C4-dicarboxylic acids and/or of derivatives thereof by: a) a gas stream of the C4-dicarboxylic acid or the derivative thereof in a first reactor in the gas phase to obtain a product which contains mainly optionally alkyl-substituted γ-butyro-lactone; b) removing succinic anhydride from the product of step a); c) catalytically hydrogenating the product of step b) in a second reactor in the gas phase to obtain optionally alkyl-substituted 1,4-butanediol; d) removing the desired product from intermediates, by-products and any unconverted reactants; and e) optionally recycling unconverted intermediates into one or both hydrogenation stages. The catalysts employed in each of the hydrogenation stages comprise ≦95% by weight of CuO, and ≦5% by weight of an oxidic support, and the second reactor has a higher pressure than the first reactor.

摘要翻译： 任选地，烷基取代的1,4-丁二醇由C 4-14二羧酸和/或其衍生物通过以下方法制备：a）引入C 4 - 二羧酸或其衍生物在气相中的第一反应器中，以获得主要含有烷基取代的γ-丁内酯的产物; b）从步骤a）的产物中除去琥珀酸酐; c）在气相中的第二反应器中催化氢化步骤b）的产物以获得任选的烷基取代的1,4-丁二醇; d）从中间体，副产物和任何未转化的反应物中除去所需的产物; 和e）任选地将未转化的中间体再循环到一个或两个氢化阶段。 在每个氢化阶段中使用的催化剂包含<95重量％的CuO和<= 5重量％的氧化载体，并且第二反应器具有比第一反应器更高的压力。

公开(公告)号：US20070088178A1

公开(公告)日：2007-04-19

申请号：US10571615

申请日：2004-09-04

申请人： Randolf Hugo ,  Sabine Jourdan ,  Kirsten Wenz ,  Thomas Preiss ,  Alexander Weck

发明人： Randolf Hugo ,  Sabine Jourdan ,  Kirsten Wenz ,  Thomas Preiss ,  Alexander Weck

IPC分类号： C07C209/48

CPC分类号： C07C209/48 ,  C07C211/27

摘要： A process for preparing xylylenediamine, comprising the steps of ammoxidizing xylene to phthalonitrile by contacting the vaporous product of this ammoxidation stage directly with a liquid organic solvent (quench), removing products having a boiling point higher than phthalonitrile (high boilers) from the resulting quench solution or suspension and hydrogenating the phthalonitrile, wherein the organic solvent used for the quench is N-methyl-2-pyrrolidone (NMP), after the removal of the high boilers and before the hydrogenation, there is a partial or complete removal of the NMP and/or of products having a boiling point lower than phthalonitrile (low boilers) and the phthalonitrile for the hydrogenation step is dissolved or suspended in an organic solvent or in liquid ammon

摘要翻译： 一种制备苯二甲胺的方法，包括以下步骤：通过使该氨氧化段的蒸气产物与液体有机溶剂（骤冷）接触，将二甲苯与邻苯二甲腈进行氨氧化，从所得的淬火中除去沸点高于邻苯二甲腈（高锅炉）的产物 溶液或悬浮液并氢化邻苯二甲腈，其中用于骤冷的有机溶剂是N-甲基-2-吡咯烷酮（NMP），在除去高锅炉之后，在氢化之前，部分或完全除去NMP 和/或沸点低于邻苯二甲腈（低锅炉）的产物和用于氢化步骤的邻苯二甲腈溶解或悬浮在有机溶剂或液氨中

公开(公告)号：US07169958B2

公开(公告)日：2007-01-30

申请号：US10516923

申请日：2003-06-10

申请人： Michael Hesse ,  Stephan Schlitter ,  Holger Borchert ,  Markus Schubert ,  Markus Rösch ,  Nils Bottke ,  Rolf-Hartmuth Fischer ,  Alexander Weck ,  Gunther Windecker ,  Gunnar Heydrich

发明人： Michael Hesse ,  Stephan Schlitter ,  Holger Borchert ,  Markus Schubert ,  Markus Rösch ,  Nils Bottke ,  Rolf-Hartmuth Fischer ,  Alexander Weck ,  Gunther Windecker ,  Gunnar Heydrich

IPC分类号： C07C29/132 ,  C07C29/149 ,  C07C29/136 ,  C07C29/147

CPC分类号： C07C29/149 ,  C07C31/207

摘要： The present invention relates to a process for preparing optionally alkyl-substituted 1,4-butanediol by two-stage catalytic hydrogenation in the gas phase of C4-dicarboxylic acids and/or of derivatives thereof having the following steps: a) introducing a gas stream of a C4-dicarboxylic acid or of a derivative thereof at from 200 to 300° C. and from 2 to 60 bar into a first reactor and catalytically hydrogenating it to a product which contains mainly optionally alkyl-substituted γ-butyrolactone; b) converting the product stream into the liquid phase; c) introducing the product stream obtained in this way into a second reactor at a temperature of from 100° C. to 240° C. and a pressure of from 20 to 250 bar and catalytically hydrogenating it in the liquid phase to optionally alkyl-substituted 1,4-butanediol; d) removing the desired product from by-products and any unconverted reactants; e) optionally recycling unconverted intermediates into one or both hydrogenation stages, said hydrogenation stages both using a catalyst which comprises ≦95% by weight, preferably from 5 to 95% by weight, in particular from 10 to 80% by weight, of CuO, and ≧5% by weight, preferably from 5 to 95% by weight, in particular from 20 to 90% by weight, of a support, said second reactor having a higher pressure than said first reactor, and the product mixture removed from said first reactor being introduced without further purification into said second reactor.

摘要翻译： 本发明涉及通过在具有下列物质的C 4 - 二羧酸和/或其衍生物的气相中通过两阶段催化氢化制备任选的烷基取代的1,4-丁二醇的方法 步骤：a）将200-300℃和2-60巴的C 4-14二羧酸或其衍生物的气流引入第一反应器，并将其催化氢化至 主要含烷基取代的γ-丁内酯的产品; b）将产物流转化成液相; c）将以这种方式获得的产物流在100℃至240℃的温度和20至250巴的压力下引入第二反应器，并将其在液相中催化氢化为任选的烷基取代的 1,4-丁二醇 d）从副产物和任何未转化的反应物中除去所需的产物; e）任选地将未转化的中间体再循环到一个或两个氢化阶段中，所述氢化步骤均使用包含<= 95重量％，优选5至95重量％，特别是10至80重量％的CuO ，和> = 5重量％，优选5至95重量％，特别是20至90重量％的载体，所述第二反应器具有比所述第一反应器更高的压力，并将产物混合物从 所述第一反应器不经进一步纯化地引入所述第二反应器。

公开(公告)号：US20050267318A1

公开(公告)日：2005-12-01

申请号：US10516923

申请日：2003-06-10

申请人： Michael Hesse ,  Stephan Schlitter ,  Holger Borchert ,  Markus Schubert ,  Markus Rosch ,  Nils Bottke ,  Rolf-Hartmuth Fischer ,  Alexander Weck ,  Gunther Windecker ,  Gunnar Heydrich

发明人： Michael Hesse ,  Stephan Schlitter ,  Holger Borchert ,  Markus Schubert ,  Markus Rosch ,  Nils Bottke ,  Rolf-Hartmuth Fischer ,  Alexander Weck ,  Gunther Windecker ,  Gunnar Heydrich

IPC分类号： B01J23/80 ,  C07B61/00 ,  C07C29/149 ,  C07C31/20 ,  C07C31/18

CPC分类号： C07C29/149 ,  C07C31/207

摘要： The present invention relates to a process for preparing optionally alkyl-substituted 1,4-butanediol by two-stage catalytic hydrogenation in the gas phase of C4-dicarboxylic acids and/or of derivatives thereof having the following steps: a) introducing a gas stream of a C4-dicarboxylic acid or of a derivative thereof at from 200 to 300° C. and from 2 to 60 bar into a first reactor and catalytically hydrogenating it to a product which contains mainly optionally alkyl-substituted 7-butyrolactone; b) converting the product stream into the liquid phase; c) introducing the product stream obtained in this way into a second reactor at a temperature of from 100° C. to 240° C. and a pressure of from 20 to 250 bar and catalytically hydrogenating it in the liquid phase to optionally alkyl-substituted 1,4-butanediol; d) removing the desired product from by-products and any unconverted reactants; e) optionally recycling unconverted intermediates into one or both hydrogenation stages, said hydrogenation stages both using a catalyst which comprises ≦95% by weight, preferably from 5 to 95% by weight, in particular from 10 to 80% by weight, of CuO, and ≧5% by weight, preferably from 5 to 95% by weight, in particular from 20 to 90% by weight, of a support, said second reactor having a higher pressure than said first reactor, and the product mixture removed from said first reactor being introduced without further purification into said second reactor.

摘要翻译： 本发明涉及通过在具有下列物质的C 4 - 二羧酸和/或其衍生物的气相中通过两阶段催化氢化制备任选的烷基取代的1,4-丁二醇的方法 步骤：a）将200-300℃和2-60巴的C 4-14二羧酸或其衍生物的气流引入第一反应器，并将其催化氢化至 主要含有烷基取代的7-丁内酯的产物; b）将产物流转化成液相; c）将以这种方式获得的产物流在100℃至240℃的温度和20至250巴的压力下引入第二反应器，并将其在液相中催化氢化为任选的烷基取代的 1,4-丁二醇 d）从副产物和任何未转化的反应物中除去所需的产物; e）任选地将未转化的中间体再循环到一个或两个氢化阶段中，所述氢化步骤均使用包含<= 95重量％，优选5至95重量％，特别是10至80重量％的CuO ，和> = 5重量％，优选5至95重量％，特别是20至90重量％的载体，所述第二反应器具有比所述第一反应器更高的压力，并将产物混合物从 所述第一反应器不经进一步纯化地引入所述第二反应器。