利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

38 条记录 (耗时 0.026 秒)

    Method For Producing Chlorine
    11.
    发明申请
    Method For Producing Chlorine 有权
    氯生产方法

    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。

    Method for the production of chlorine
    15.
    发明申请
    Method for the production of chlorine 审中-公开
    生产氯的方法

    公开(公告)号：US20060263290A1

    公开(公告)日：2006-11-23

    申请号：US10567579

    申请日：2004-08-06

    申请人： Christian Walsdorff ,  Martin Fiene ,  Martin Sesing ,  Olga Metelkina ,  Lothar Seidemann ,  Eckhard Stroefer ,  Klaus Harth

    发明人： Christian Walsdorff ,  Martin Fiene ,  Martin Sesing ,  Olga Metelkina ,  Lothar Seidemann ,  Eckhard Stroefer ,  Klaus Harth

    IPC分类号： C01B7/00

    CPC分类号： C01B7/04 ,  Y02P20/228

    摘要： The invention relates to a process for preparing chlorine by catalytic gas-phase oxidation of hydrogen chloride, which comprises the steps: a) providing a feed gas stream I comprising hydrogen chloride and a feed gas stream II comprising oxygen; b) in a first oxidation stage, feeding the feed gas stream I, the feed gas stream II, if desired a recycle stream la comprising hydrogen chloride and if desired an oxygen-containing recycle stream IIa into a first oxidation zone and bringing them into contact with a first oxidation catalyst so that a first partial amount of the hydrogen chloride is oxidized to chlorine and a gas stream III comprising chlorine, unreacted oxygen, unreacted hydrogen chloride and water vapor is obtained; c) in a second oxidation stage, feeding the gas stream III into a second oxidation zone and bringing it into contact with at least one further oxidation catalyst so that a second partial amount of the hydrogen chloride is oxidized to chlorine and a product gas stream IV comprising chlorine, unreacted oxygen, unreacted hydrogen chloride and water vapor is obtained; d) isolating chloride, if desired the recycle stream Ia and if desired the recycle stream IIa from the product gas stream IV, wherein the first oxidization catalyst in the first oxidation zone is present in a fluidized bed and the further oxidation catalyst or catalysts in the second oxidation zone is/are present in a fixed bed.

    摘要翻译： 本发明涉及通过氯化氢的催化气相氧化制备氯的方法，其包括以下步骤：a）提供包含氯化氢的进料气流I和包含氧的进料气流II; b）在第一氧化阶段，如果需要，将进料气流I，进料气流II进料到包含氯化氢的再循环流1a，并且如果需要，将含氧循环流IIa进入第一氧化区并使其接触 用第一氧化催化剂使得第一部分氯化氢被氧化成氯，得到包含氯，未反应的氧，未反应的氯化氢和水蒸气的气流III; c）在第二氧化阶段，将气流III进料到第二氧化区并使其与至少一种其它氧化催化剂接触，使得第二部分量的氯化氢被氧化成氯，产物气流IV 包括氯，未反应的氧，未反应的氯化氢和水蒸气; d）如果需要，根据需要从产物气流IV中分离氯化物，如果需要，再循环流Ia，如果需要，再循环流IIa，其中第一氧化区中的第一氧化催化剂存在于流化床中， 第二氧化区存在于固定床中。

    Process for recovering ruthenium from used ruthenium oxide-comprising catalysts
    17.
    发明授权
    Process for recovering ruthenium from used ruthenium oxide-comprising catalysts 有权
    用于从使用的含氧化钌催化剂中回收钌的方法

    公开(公告)号：US08252253B2

    公开(公告)日：2012-08-28

    申请号：US13142915

    申请日：2009-12-28

    申请人： Guido Henze ,  Heiko Urtel ,  Martin Sesing ,  Martin Karches

    发明人： Guido Henze ,  Heiko Urtel ,  Martin Sesing ,  Martin Karches

    IPC分类号： C01G55/00

    CPC分类号： C22B7/007 ,  C22B3/10 ,  C22B5/12 ,  C22B7/002 ,  C22B7/009 ,  C22B11/026 ,  C22B11/048 ,  Y02P10/214 ,  Y02P10/234

    摘要： The invention relates to a process for recovering ruthenium from a used ruthenium-comprising catalyst which comprises ruthenium as ruthenium oxide on a support material which is not readily soluble in mineral acid, which comprises the steps: a) the ruthenium oxide-comprising catalyst is reduced in a gas stream comprising hydrogen chloride and, if appropriate, an inert gas at a temperature of from 300 to 500° C.; b) the reduced catalyst from step a) comprising metallic ruthenium on the sparingly soluble support material is treated with hydrochloric acid in the presence of an oxygen-comprising gas, with the metallic ruthenium present on the support being dissolved as ruthenium(III) chloride and obtained as an aqueous ruthenium(III) chloride solution; c) if appropriate, the ruthenium(III) chloride solution from step b) is worked up further.

    摘要翻译： 本发明涉及一种用于从使用的含钌催化剂中回收钌的方法，该催化剂在不易溶于无机酸的载体材料上包含钌作为氧化钌，其包括以下步骤：a）将含氧化钌催化剂还原 在包含氯化氢的气流中，以及如果合适的话，在300-500℃的温度下是惰性气体。 b）在含有气体的气体存在下用盐酸处理在微溶性载体材料上的包含金属钌的步骤a）的还原催化剂，载体上存在的金属钌以氯化钌（III）的形式溶解， 作为氯化钌水溶液得到; c）如果合适，将步骤b）的氯化钌（III）溶液进一步处理。

    Process for Extracting (Chlorinated) Hydrocarbon-Free Hydrogen Chloride and Phosgene-Free (Chlorinated) Hydrocarbons from a Hydrogen Chloride Stream Containing (Chlorinated) Hydrocarbons and Phosgene
    18.
    发明申请
    Process for Extracting (Chlorinated) Hydrocarbon-Free Hydrogen Chloride and Phosgene-Free (Chlorinated) Hydrocarbons from a Hydrogen Chloride Stream Containing (Chlorinated) Hydrocarbons and Phosgene 有权
    从含有（氯化）碳氢化合物和光气的氯化氢流中提取（氯化）无碳氢化合物和无光气（氯化）烃的方法

    公开(公告)号：US20080295688A1

    公开(公告)日：2008-12-04

    申请号：US12159797

    申请日：2007-01-25

    申请人： Martin Sesing ,  Heiner Schelling ,  Jurgen Ciprian ,  Filip Deberdt ,  Martin Karches ,  Olga Schubert

    发明人： Martin Sesing ,  Heiner Schelling ,  Jurgen Ciprian ,  Filip Deberdt ,  Martin Karches ,  Olga Schubert

    IPC分类号： B01D53/02

    CPC分类号： C01B7/0718

    摘要： Process for recovering (chloro)hydrocarbon-free hydrogen chloride and phosgene-free (chloro)hydrocarbons from a hydrogen chloride stream comprising (chloro)hydrocarbons and phosgene, which comprises i) in a first step, connecting a first adsorber and a second adsorber in series and passing the fresh hydrogen chloride stream comprising phosgene and (chloro)hydrocarbons firstly through the first adsorber and subsequently through the second adsorber until essentially no more (chloro)hydrocarbon is adsorbed by the first adsorber, ii) in a second step, passing the fresh hydrogen chloride stream through the second adsorber while the first adsorber is regenerated, with essentially phosgene-free (chloro)hydrocarbon being obtained in the regeneration, iii) in a third step, passing the fresh hydrogen chloride steam firstly through the second adsorber and subsequently through the regenerated first adsorber until essentially no more (chloro)hydrocarbon is adsorbed by the second adsorber, iv) in a fourth step, passing the fresh hydrogen chloride stream through the first adsorber while the second adsorber is regenerated, with essentially phosgene-free (chloro)hydrocarbon being obtained in the regeneration, with the steps i) to iv) being able to be carried out one or more times in succession.

    摘要翻译： 从含有（氯）烃和光气的氯化氢流中回收（氯）无烃氯化氢和无光气（氯）烃的方法，其包括i）在第一步骤中，将第一吸附剂和第二吸附剂连接在 串联并通过包含光气和（氯）烃的新鲜氯化氢料流首先通过第一吸附器并随后通过第二吸附器，直到基本上不再有（氯）烃被第一吸附器吸附，ii）在第二步中， 新鲜的氯化氢流通过第二吸附器，同时第一吸附器被再生，在再生中获得基本上无光气（氯）烃; iii）在第三步骤中，将新鲜的氯化氢蒸汽首先通过第二吸附器，随后 通过再生的第一吸附器直到基本上不再有（氯）烃被第二吸附器吸附，iv） 第四步，使新鲜的氯化氢流通过第一吸附器，同时再生第二吸附器，在再生中获得基本上无光气的（氯）烃，步骤i）至iv）能够进行一次 或更多次。

    CATALYST COMPRISING RUTHENIUM AND SILVER AND/OR CALCIUM FOR THE OXIDATION OF HYDROGEN CHLORIDE
    19.
    发明申请
    CATALYST COMPRISING RUTHENIUM AND SILVER AND/OR CALCIUM FOR THE OXIDATION OF HYDROGEN CHLORIDE 有权
    包含氢氧化物氯化物的金属和银和/或钙的催化剂

    公开(公告)号：US20120027665A1

    公开(公告)日：2012-02-02

    申请号：US13148859

    申请日：2010-02-25

    申请人： Guido Henze ,  Heiko Urtel ,  Martin Sesing ,  Martin Karches

    发明人： Guido Henze ,  Heiko Urtel ,  Martin Sesing ,  Martin Karches

    IPC分类号： C01B7/04 ,  B01J23/58 ,  B01J23/656 ,  B01J23/89 ,  B01J23/68 ,  B01J23/50 ,  B01J21/02

    CPC分类号： B01J23/50 ,  B01J21/04 ,  B01J23/58 ,  B01J23/66 ,  B01J37/0009 ,  B01J37/0201 ,  B01J37/0205 ,  C01B7/04

    摘要： Catalyst comprising ruthenium on a support for the catalytic oxidation of hydrogen chloride by means of oxygen to form chlorine, wherein the catalyst comprises from 0.01 to 10% by weight of silver and/or calcium as dopant.The support preferably consists essentially of alpha-aluminum oxide.The catalyst preferably comprises a) from 0.1 to 10% by weight of ruthenium, b) from 0.01 to 5% by weight of silver and/or from 0.01 to 5% by weight of calcium, c) from 0 to 5% by weight of one or more alkaline earth metals, d) from 0 to 5% by weight of one or more alkali metals, e) from 0 to 5% by weight of one or more rare earth metals, f) from 0 to 5% by weight of one or more further metals selected from the group consisting of nickel, palladium, platinum, iridium and rhenium, in each case based on the total weight of the catalyst.

    摘要翻译： 催化剂在载体上包含钌，用于通过氧气催化氧化氯化氢以形成氯，其中催化剂包含0.01至10重量％的作为掺杂剂的银和/或钙。 载体优选基本上由α-氧化铝组成。 催化剂优选包含a）0.1至10重量％的钌，b）0.01至5重量％的银和/或0.01至5重量％的钙，c）0至5重量％的 一种或多种碱土金属，d）0-5重量％的一种或多种碱金属，e）0-5重量％的一种或多种稀土金属，f）0-5重量％ 一种或多种选自镍，钯，铂，铱和铼的其它金属，在每种情况下都是基于催化剂的总重量。