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公开(公告)号：US20080187484A1
公开(公告)日：2008-08-07
申请号：US11666973
申请日：2005-11-03
IPC分类号： C01B17/66
CPC分类号： C01B17/66
摘要： The invention relates to a process for the preparation of sodium dithionite, comprising the steps (a) provision of a synthesis batch comprising sodium formate, sulfur dioxide and an alkaline sodium compound in aqueous methanolic solution with formation of a sodium dithionite mother liquor, (b) isolation of sodium dithionite from the sodium dithionite mother liquor, a residual mother liquor being obtained, (c) separation of methanol from the residual mother liquor, (d) separation of the residual mother liquor into a thiosulfate-rich first part-stream and a thiosulfate-poor, formate-containing second part-stream by means of nanofiltration, (e) concentration of sodium formate in the second part-stream and (f) recycling of the concentrated second part-stream to process step (a).
摘要翻译： 本发明涉及一种制备连二亚硫酸钠的方法，包括以下步骤：（a）在形成连二亚硫酸钠母液的水溶液中提供包含甲酸钠，二氧化硫和碱性钠化合物的合成批料，（b ）从连二亚硫酸钠母液中分离连二亚硫酸钠，得到残余母液，（c）从残余母液中分离甲醇，（d）将残余母液分离成富含硫代硫酸氢盐的第一部分流， （e）在第二部分流中浓缩甲酸钠，和（f）将浓缩的第二部分物流再循环到工艺步骤（a）中，通过纳滤法生产含有硫代硫酸盐的富含甲酸的第二部分物流。
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公开(公告)号：US07307194B2
公开(公告)日：2007-12-11
申请号：US10580685
申请日：2005-10-27
申请人： Tilman Sirch , Gerd-Dieter Tebben , Ludwig E. Heck , Armin Diefenbacher , Alfred Krause , Franz Borgel
发明人： Tilman Sirch , Gerd-Dieter Tebben , Ludwig E. Heck , Armin Diefenbacher , Alfred Krause , Franz Borgel
IPC分类号： C07C31/20
CPC分类号： B01D61/025 , C07C29/149 , C07C31/20
摘要： The present invention provides a process for preparing 1,6-hexanediol from a carboxylic acid mixture which comprises adipic acid, 6-hydroxycaproic acid and small amounts of 1,4-cyclohexanediols and is obtained as a by-product in the oxidation of cyclohexane to cyclohexanone/cyclohexanol with oxygen or oxygen-containing gases and by water extraction of the reaction mixture, by esterification of the acids and hydrogenation, in which a) the mono- and dicarboxylic acids present in the aqueous dicarboxylic acid mixture are reacted with a low molecular weight alcohol to give the corresponding carboxylic esters, b) the resulting esterification mixture is freed of excess alcohol and low boilers in a first distillation stage, c) a separation of the bottom product is carried out in a second distillation stage into an ester fraction substantially free of 1,4-cyclohexanediols and a fraction comprising at least the majority of the 1,4-cyclohexanediols, d) the ester fraction substantially free of 1,4-cyclohexanediols is catalytically hydrogenated and e) 1,6-hexanediol is obtained in a purifying distillation stage from the hydrogenation effluent while removing an alcohol-low boiler mixture in a manner known per se, wherein alcohol is removed by a membrane system from the mixtures, obtained after the esterification in stage b) and/or after the hydrogenation in stage e), of alcohols and low boilers and recycled into the esterification.
摘要翻译： 本发明提供了由羧酸混合物制备1,6-己二醇的方法，该方法包括己二酸，6-羟基己酸和少量的1,4-环己二醇，并且作为副产物在环己烷氧化中得到， 环己酮/环己醇与氧或含氧气体反应，并通过酸的酸化和氢化水提取反应，其中a）存在于二羧酸水溶液混合物中的单羧酸和二羧酸与低分子量 重量醇以得到相应的羧酸酯，b）所得酯化混合物在第一蒸馏阶段中不含过量的醇和低沸点，c）将底部产物在第二蒸馏阶段中分离成基本上为酯馏分 不含1,4-环己烷二醇和至少包含大部分1,4-环己二醇的级分，d）酯级分基本上不含1， 4-环己烷二醇是催化氢化的，并且e）在纯化蒸馏阶段从氢化流出物中获得1,6-己二醇，同时以本身已知的方式除去醇低沸点混合物，其中醇通过膜系统从 在阶段b）和/或在步骤e）中的氢化后获得的醇和低锅炉中获得的并且再循环到酯化中的混合物。
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公开(公告)号：US20070213514A1
公开(公告)日：2007-09-13
申请号：US11568996
申请日：2005-05-18
申请人： Michael Schmitt , Jurgen Decker , Helmut Reichelt , Gerd Rollar , Armin Diefenbacher , Hartwig Voss
发明人： Michael Schmitt , Jurgen Decker , Helmut Reichelt , Gerd Rollar , Armin Diefenbacher , Hartwig Voss
IPC分类号： C09B29/00
CPC分类号： C09B67/0076 , C09B37/00 , C09B67/0083 , C09B67/0096
摘要： A process for producing a liquid formulation of a basic azo dye from a phenylenediamine I, which may be alkyl or alkoxy substituted, by diazotizing and coupling in acidic solution comprises diazotizing the phenylenediamine with sodium nitrite in the presence of at least two organic acids comprising at least one first acid (A) having a pkA value of ≦40 and at least a second acid (B) having a pKA value ≧4.1 and performing a nanofiltration after the coupling has ended.
摘要翻译： 通过在酸性溶液中重氮化和偶联从苯二胺I（其可以是烷基或烷氧基取代）制备碱性偶氮染料的液体制剂的方法包括在至少两种有机酸存在下，将亚苯基二胺与亚硝酸钠重氮化，所述有机酸包括 至少一种第一酸（A）具有<= 40的pk 值和至少第二酸（B），其具有pK A> = 4.1并进行 偶联后的纳滤过程已经结束。
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公开(公告)号：US20060131766A1
公开(公告)日：2006-06-22
申请号：US11302206
申请日：2005-12-14
申请人： Armin Diefenbacher , Ulrich Hammon , Thomas Walter , Bruno Seider , Wolfgang Schneider , Bernd Gerber , Volker Schliephake , Michael Blechschmitt
发明人： Armin Diefenbacher , Ulrich Hammon , Thomas Walter , Bruno Seider , Wolfgang Schneider , Bernd Gerber , Volker Schliephake , Michael Blechschmitt
IPC分类号： B01F3/04
CPC分类号： B01D3/326
摘要： A tray column is proposed which comprises column trays, two or more supports which are arranged on the underside of the column trays and support them and a bearing ring for the column trays on the inner wall of the tray column, wherein three-way joints of inner column wall, bearing ring and support are prevented by cutouts in the bearing ring.
摘要翻译： 提出了一种托盘塔，其包括柱托盘，两个或更多个支撑件，其布置在塔托盘的下侧并支撑它们，并且托盘托架的内壁上的托盘的轴承环，其中三通关节 内柱壁，轴承圈和支撑件通过轴承圈中的切口防止。
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25.发明授权Heterogeneously catalyzed partial direct oxidation of propane and/or isobutane 有权丙烷和/或异丁烷的非均相催化部分直接氧化公开(公告)号：US08338640B2
公开(公告)日：2012-12-25
申请号：US10815873
申请日：2004-04-02
申请人： Otto Machhammer , Sven Crone , Frieder Borgmeier , Klaus Joachim Mueller-Engel , Christoph Adami , Armin Diefenbacher
发明人： Otto Machhammer , Sven Crone , Frieder Borgmeier , Klaus Joachim Mueller-Engel , Christoph Adami , Armin Diefenbacher
IPC分类号： C07C51/16
CPC分类号： C07C51/215 , C07C57/04
摘要： A process for heterogeneously catalyzed partial direct oxidation of propane and/or isobutane, in which target product is removed in a workup stage from the product gas mixture obtained in the reaction stage, the remaining residual product gas mixture is divided into two portions of the same composition, one portion is recycled into the reaction stage and the other portion is discharged, and both the reaction stage and the workup stage are operated at elevated pressure.
摘要翻译： 丙烷和/或异丁烷的非均相催化部分直接氧化的方法，其中将目标产物在后处理阶段从反应阶段获得的产物气体混合物中除去，剩余的残余产物气体混合物被分成两部分 组合物，一部分再循环到反应阶段，另一部分排出，反应阶段和后处理阶段都在升高的压力下操作。
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公开(公告)号：US08196755B2
公开(公告)日：2012-06-12
申请号：US12304773
申请日：2007-05-21
申请人： Armin Diefenbacher , Hartwig Voss , Gunter Schuch , Manfred Noack , Ingolf Voigt , Hannes Richter , Juergen Caro
发明人： Armin Diefenbacher , Hartwig Voss , Gunter Schuch , Manfred Noack , Ingolf Voigt , Hannes Richter , Juergen Caro
CPC分类号： B01D71/028 , B01D53/228 , B01D61/364 , B01D67/0051 , B01D69/12 , B01D2323/12 , B01D2323/24 , C07C7/144 , C07C29/76 , C07C11/08 , C07C9/10 , C07C31/04 , C07C31/08 , C07C31/10 , C07C31/12
摘要： A process for the production of a composite membrane, one or more microporous separation layers comprising a zeolite of the MFI type being produced by hydrothermal synthesis on a porous substrate, wherein one or more additives from the group consisting of linear (C1-C4)-alcohols, ammonia, primary, secondary and tertiary amines having in each case (C1-C4)-alkyl radicals, (C1-C4)-aminoalcohols and (C3-C4)-ketones are added to the synthesis solution for the hydrothermal synthesis.
摘要翻译： 一种制备复合膜的方法，一种或多种包含MFI型沸石的微孔分离层是通过多孔基材上的水热合成制得的，其中一种或多种由线性（C 1 -C 4） - 在各种情况下（C1-C4） - 烷基，（C1-C4） - 氨基醇和（C3-C4） - 酮）的醇，氨，伯，仲和叔胺加入到用于水热合成的合成溶液中。
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公开(公告)号：US07968076B2
公开(公告)日：2011-06-28
申请号：US11666973
申请日：2005-11-03
IPC分类号： C01B17/66
CPC分类号： C01B17/66
摘要： The invention relates to a process for the preparation of sodium dithionite, comprising the steps (a) provision of a synthesis batch comprising sodium formate, sulfur dioxide and an alkaline sodium compound in aqueous methanolic solution with formation of a sodium dithionite mother liquor, (b) isolation of sodium dithionite from the sodium dithionite mother liquor, a residual mother liquor being obtained, (c) separation of methanol from the residual mother liquor, (d) separation of the residual mother liquor into a thiosulfate-rich first part-stream and a thiosulfate-poor, formate-containing second part-stream by means of nanofiltration, (e) concentration of sodium formate in the second part-stream and (f) recycling of the concentrated second part-stream to process step (a).
摘要翻译： 本发明涉及一种制备连二亚硫酸钠的方法，包括以下步骤：（a）在形成连二亚硫酸钠母液的水溶液中提供包含甲酸钠，二氧化硫和碱性钠化合物的合成批料，（b ）从连二亚硫酸钠母液中分离连二亚硫酸钠，得到残余母液，（c）从残余母液中分离甲醇，（d）将残余母液分离成富含硫代硫酸氢盐的第一部分流， （e）在第二部分流中浓缩甲酸钠，和（f）将浓缩的第二部分物流再循环到工艺步骤（a）中，通过纳滤法生产含有硫代硫酸盐的富含甲酸的第二部分物流。
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28.发明授权公开(公告)号：US07847073B2
公开(公告)日：2010-12-07
申请号：US11569263
申请日：2005-05-18
申请人： Gunter-Rudolf Schroeder , Juergen Decker , Helmut Reichelt , Ingo Klopp , Armin Diefenbacher , Hartwig Voss
发明人： Gunter-Rudolf Schroeder , Juergen Decker , Helmut Reichelt , Ingo Klopp , Armin Diefenbacher , Hartwig Voss
IPC分类号： C09B41/00
CPC分类号： C09B67/0073 , C09B35/38 , C09B35/42 , C09B35/52 , C09B37/00 , C09B67/0096
摘要： A process for producing a liquid formulation of salts of sulfonated azo dyes by coupling an at least equimolar amount of diazotized aminoarylsulfonic acids I H2N—Ar—SO3H (I), where Ar is phenylene (which may be monosubstituted by sulfo) or naphthylene (which may be mono- or disubstituted by sulfo and/or monosubstituted by hydroxyl) onto the coupling product of an unsubstituted or methyl-substituted phenylenediamine with itself comprises dissolving the azo dye in a basic medium and then subjecting the solution to a nanofiltration.
摘要翻译： 或偶氮化合物，其中偶联至少等摩尔量的重氮化氨基芳基磺酸I H2N-Ar-SO3H（Ⅰ），其中Ar为亚苯基（可被磺基单取代）或亚萘基 可以被磺基单取代或/或被羟基单取代）到未取代或甲基取代的苯二胺的偶联产物上，其本身包括将偶氮染料溶解在碱性介质中，然后使该溶液进行纳滤。
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公开(公告)号：US07749414B2
公开(公告)日：2010-07-06
申请号：US10585703
申请日：2005-01-05
申请人： Stefan Bitterlich , Hartwig Voβ , Gunter Schuch , Armin Diefenbacher , Manfred Noack , Ronald Schäfer , Ingolf Voigt , Hannes Richter , Jürgen Caro
发明人： Stefan Bitterlich , Hartwig Voβ , Gunter Schuch , Armin Diefenbacher , Manfred Noack , Ronald Schäfer , Ingolf Voigt , Hannes Richter , Jürgen Caro
CPC分类号： B01D71/028 , B01D53/228 , B01D67/0051 , B01D69/12 , B01D2323/08 , B01D2325/24 , C07C7/144 , C07C11/08
摘要： Composite membranes comprising at least one porous substrate layer and at least one microporous separation layer, comprising at least one zeolite of the MFI type, are described, the separation layer being produced by a hydrothermal synthesis in which the molar ratio of silicon to aluminum is greater than 120 and the separation layer contains less than 10% by weight of aluminum in elemental or chemically bound form in a zone of at least 100 nm adjacent to the separation layer.
摘要翻译： 描述了包含至少一个多孔基材层和至少一个微孔分离层的复合膜，该至少一个微孔分离层包含至少一种MFI型沸石，该分离层是通过其中硅与铝的摩尔比更大的水热合成产生的 并且分离层在与分离层相邻的至少100nm的区域中以元素或化学键合的形式含有小于10重量％的铝。
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公开(公告)号：US20080159948A1
公开(公告)日：2008-07-03
申请号：US11816045
申请日：2006-02-20
申请人： Martin Sesing , Armin Diefenbacher , Hartwig Voss , Olga Schubert , Lothar Seidemann , Martin Karches , Thomas Grassler , Eckhard Stroefer
发明人： Martin Sesing , Armin Diefenbacher , Hartwig Voss , Olga Schubert , Lothar Seidemann , Martin Karches , Thomas Grassler , Eckhard Stroefer
IPC分类号： C01B7/04
CPC分类号： C01B7/075 , C01B7/04 , C01B7/0743
摘要： Process for preparing chlorine from hydrogen chloride, which comprises the steps: a) feeding of a stream a1 comprising hydrogen chloride and of a stream a2 comprising oxygen into an oxidation zone and catalytic oxidation of hydrogen chloride to chlorine, giving a product gas stream a3 comprising chlorine, water, oxygen, carbon dioxide and inert gases; b) cooling of the product gas stream a3 and removal of water and hydrogen chloride as aqueous hydrochloric acid, leaving a gas stream b comprising chlorine, water, oxygen, carbon dioxide and inert gases; c) optional drying of the gas stream b) to leave a gas stream c which is substantially free of water and comprises chlorine, oxygen, carbon dioxide and inert gases; d) at least partial liquefaction of the gas stream c and of a chlorine-rich recycle stream f1 comprising chlorine, oxygen and carbon dioxide by compression and cooling, giving an at least partially liquefied stream d; e) gas/liquid separation of the stream d into a gas stream e1 comprising chlorine, oxygen, carbon dioxide and inert gases and into a liquid stream e2 comprising chlorine, oxygen and carbon dioxide; f) feeding of at least part of the gas stream e1 into a membrane separation unit and fractionation by membrane separation to give the chlorine-rich recycle stream f1 and a gas stream f2 which is low in chlorine and comprises chlorine, oxygen and carbon dioxide and recirculation of the chlorine-rich recycle stream f1 to step d); g) separation of the liquid stream e2 by distillation into a chlorine stream g1 and a stream g2 comprising essentially oxygen and carbon dioxide.
摘要翻译： 从氯化氢制备氯的方法，其包括以下步骤：a）将包含氯化氢的物流1和包含氧的物流2加入氧化区并将氯化氢催化氧化成氯，得到产物气流 a 3，包括氯，水，氧，二氧化碳和惰性气体; b）冷却产物气流a 3，除去水和氯化氢作为盐酸水溶液，留下包含氯，水，氧气，二氧化碳和惰性气体的气流b; c）气流的任选干燥b）留下基本上不含水的气流c，包括氯，氧，二氧化碳和惰性气体; d）通过压缩和冷却至少部分液化气流c和包含氯，氧和二氧化碳的富含氯的循环流f 1，产生至少部分液化的流d; e）将气流d气体/液体分离成包含氯气，氧气，二氧化碳和惰性气体的气流e 1并进入包含氯气，氧气和二氧化碳的液体流e 2中; f）将至少部分气流e 1进料到膜分离单元中并通过膜分离进行分馏，得到富氯循环流f 1和氯含量低的气流f 2，包括氯，氧和 二氧化碳和富氯循环流f 1再循环到步骤d）; g）通过蒸馏将液体流e 2分离成氯流g 1和基本上包含氧和二氧化碳的流g 2。
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