利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

32 条记录 (耗时 0.021 秒)

    Method for producing chlorine from hydrochloric from hydrochloric aid
    4.
    发明申请
    Method for producing chlorine from hydrochloric from hydrochloric aid 审中-公开
    从盐酸辅助的盐酸生产氯的方法

    公开(公告)号：US20060099138A1

    公开(公告)日：2006-05-11

    申请号：US10532725

    申请日：2003-10-27

    申请人： Christian Walsdorff ,  Martin Fiene ,  Christian Kuhrs ,  Eckhard Stroefer ,  Klaus Harth

    发明人： Christian Walsdorff ,  Martin Fiene ,  Christian Kuhrs ,  Eckhard Stroefer ,  Klaus Harth

    IPC分类号： C01B7/00

    CPC分类号： C01B7/0718 ,  C01B7/04 ,  C01B7/0743 ,  C07C263/10 ,  C07C265/14 ,  C07C265/06

    摘要： Process for preparing chlorine from hydrochloric acid, which comprises the steps: a) providing a hydrochloric acid feed stream I; b) providing a hydrochloric acid recycle stream II; c) separating off a hydrogen chloride stream IV from the hydrochloric acid feed stream I and the hydrochloric acid recycle stream II in a distillation step; d) feeding the hydrogen chloride stream IV, an oxygen-containing steam V and, if desired, an oxygen-containing recycle stream Va into an oxidation zone and oxidizing hydrogen chloride to chlorine in the presence of a catalyst to give a product gas stream VI comprising chlorine, unreacted oxygen, unreacted hydrogen chloride and water vapor; e) separating off hydrogen chloride and water from the product gas stream VI in an absorption step to give a gas stream VII and the hydrochloric acid recycle stream II; f) if desired, drying the gas stream VII; g) separating off an oxygen-containing stream from the gas stream VII and, if desired, recirculating at least part of this as oxygen-containing recycle stream Va to the oxidation zone, leaving a chlorine-containing product stream VIII; h) if desired, further purifying the chlorine-containing product stream VIII.

    摘要翻译： 从盐酸制备氯的方法，其包括以下步骤：a）提供盐酸进料流I; b）提供盐酸循环流II; c）在蒸馏步骤中，从盐酸进料流I和盐酸循环流II中分离出氯化氢料流IV; d）将氯化氢流IV，含氧蒸汽V以及如果需要的话将含氧再循环流Va加入氧化区，并在催化剂存在下将氯化氢氧化成氯，得到产物气流VI 包括氯，未反应的氧，未反应的氯化氢和水蒸气; e）在吸收步骤中从产物气流VI中分离氯化氢和水，得到气流VII和盐酸再循环流II; f）如果需要，干燥气流VII; g）从气流VII中分离含氧物流，如果需要，将其至少部分再循环为含氧再循环流Va至氧化区，留下含氯产物流VIII; h）如果需要，进一步纯化含氯产物流VIII。

    Catalyst for the catalytic oxidation of hydrogen chloride
    7.
    发明申请
    Catalyst for the catalytic oxidation of hydrogen chloride 审中-公开
    用于催化氧化氯化氢的催化剂

    公开(公告)号：US20060140849A1

    公开(公告)日：2006-06-29

    申请号：US10529208

    申请日：2003-09-25

    申请人： Christian Kuhrs ,  Christian Walsdorff ,  Martin Fiene ,  Eckhard Stroefer ,  Klaus Harth

    发明人： Christian Kuhrs ,  Christian Walsdorff ,  Martin Fiene ,  Eckhard Stroefer ,  Klaus Harth

    IPC分类号： C01B7/00

    CPC分类号： C01B7/04 ,  B01J23/52 ,  B01J23/66

    摘要： The invention relates to a catalyst for the catalytic oxidation of hydrogen chloride, comprising on a support a) from 0.001 to 30% by weight of gold, b) from 0 to 3% by weight of one or more alkaline earth metals, c) from 0 to 3% by weight of one or more alkali metals, d) from 0 to 10% by weight of one or more rare earth metals, e) from 0 to 10% by weight of one or more further metals selected from the group consisting of ruthenium, palladium, platinum, osmium, iridium, silver, copper and rhenium, in each case based on the total weight of the catalyst.

    摘要翻译： 本发明涉及一种用于催化氧化氯化氢的催化剂，其包括在载体上a）0.001至30重量％的金，b）0-3重量％的一种或多种碱土金属，c） 0至3重量％的一种或多种碱金属，d）0至10重量％的一种或多种稀土金属，e）0至10重量％的一种或多种其它金属，其选自 的钌，钯，铂，锇，铱，银，铜和铼，基于催化剂的总重量。

    Method for the production of chlorine
    9.
    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。