Method for producing chlorine from hydrochloric from hydrochloric aid
    3.
    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

    IPC分类号: C01B7/00

    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

    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。

    Process For Producing Propylene Oxide
    10.
    发明申请
    Process For Producing Propylene Oxide 有权
    生产环氧丙烷的方法

    公开(公告)号:US20080167484A1

    公开(公告)日:2008-07-10

    申请号:US11994129

    申请日:2006-06-20

    IPC分类号: C07D301/12

    CPC分类号: C07D301/12

    摘要: The present invention relates to a process for producing propylene oxide comprising (I) reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (GI) comprising propylene oxide, unreacted propene, and oxygen; (II) separating propylene oxide from mixture (GI) to give a mixture (GII) comprising propene and oxygen; (III) reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising Sn and at least one noble metal.

    摘要翻译: 本发明涉及一种生产环氧丙烷的方法,其包括(I)在催化剂存在下使丙烯与过氧化氢反应,得到包含环氧丙烷,未反应的丙烯和氧的混合物(GI) (II)将环氧丙烷与混合物(GI)分离,得到包含丙烯和氧的混合物(GII); (III)在包含Sn和至少一种贵金属的催化剂的存在下至少部分地通过与氢反应来还原混合物(GII)中包含的氧。