Process for the preparation of sodium fluoride
    1.
    发明授权
    Process for the preparation of sodium fluoride 失效
    氟化钠的制备方法

    公开(公告)号:US6106794A

    公开(公告)日:2000-08-22

    申请号:US364601

    申请日:1999-07-30

    IPC分类号: A61K8/21 A61Q11/00 C01D3/02

    CPC分类号: C01D3/02

    摘要: Process for the preparation of sodium fluoride from sodium hydroxide solution and hydrogen fluoride, characterized in that at least 45% strength by weight, in particular 50% strength by weight, sodium hydroxide solution and anhydrous hydrogen fluoride are introduced separately into a saturated NaF solution in which 4 to 50% by weight, preferably 5 to 30% by weight, solid NaF are suspended and the temperature of which is in the range from 20 to 80.degree. C., preferably 30 to 60.degree. C.

    摘要翻译: 用于从氢氧化钠溶液和氟化氢制备氟化钠的方法,其特征在于将氢氧化钠溶液和无水氟化氢的至少45重量%,特别是50重量%的重量,分别引入饱和的NaF溶液中 其中固体NaF为4〜50重量%,优选为5〜30重量%,其温度为20〜80℃,优选为30〜60℃。

    PROCESS FOR PRODUCING OXYGEN-CONSUMING ELECTRODES
    5.
    发明申请
    PROCESS FOR PRODUCING OXYGEN-CONSUMING ELECTRODES 审中-公开
    生产氧气消耗电极的方法

    公开(公告)号:US20120231353A1

    公开(公告)日:2012-09-13

    申请号:US13411739

    申请日:2012-03-05

    摘要: The present invention relates to a process for producing an oxygen-consuming electrode that includes the steps of (a) producing a powder mixture consisting of at least one polymer as binder and a catalytically active component, (b) applying the powder mixture to an electrically conductive sheet-like support element, and (c) compacting and consolidating the powder mixture on the support element using rollers, wherein the rollers used in the compaction step c) comprises a surface coating of tungsten carbide and wherein the roller surface has a roughness of not more than 0.5 μm.

    摘要翻译: 本发明涉及一种生产耗氧电极的方法,其包括以下步骤:(a)制备由至少一种作为粘合剂的聚合物和催化活性组分组成的粉末混合物,(b)将该粉末混合物施加到电 导电片状支撑元件,和(c)使用辊压缩和固结支撑元件上的粉末混合物,其中在压实步骤c)中使用的辊包括碳化钨的表面涂层,并且其中辊表面具有 不大于0.5μm。

    PROCESSES FOR THE PREPARATION OF CHLORINE FROM HYDROGEN CHLORIDE AND OXYGEN
    8.
    发明申请
    PROCESSES FOR THE PREPARATION OF CHLORINE FROM HYDROGEN CHLORIDE AND OXYGEN 审中-公开
    从氯化氢和氧气中制备氯化物的方法

    公开(公告)号:US20070274898A1

    公开(公告)日:2007-11-29

    申请号:US11752410

    申请日:2007-05-23

    IPC分类号: C01B7/04

    摘要: A process is disclosed comprising: (a) reacting hydrogen chloride and an oxygen-containing gas to form a gas mixture comprising chlorine, water, unreacted hydrogen chloride, and unreacted oxygen, wherein the oxygen-containing gas reacted with the hydrogen chloride has an oxygen content of not more than 99 vol. %; (b) cooling the gas mixture to form an aqueous solution of hydrogen chloride; (c) separating at least a portion of the aqueous solution of hydrogen chloride from the gas mixture; and (d) subjecting the gas mixture to a gas permeation to form a chlorine-rich gas stream and an oxygen-containing partial stream.

    摘要翻译: 公开了一种方法,其包括:(a)使氯化氢和含氧气体反应以形成包含氯,水,未反应的氯化氢和未反应的氧的气体混合物,其中与氯化氢反应的含氧气体具有氧 含量不超过99体积 %; (b)冷却气体混合物以形成氯化氢水溶液; (c)从气体混合物中分离至少一部分氯化氢水溶液; 和(d)使气体混合物进行气体渗透以形成富氯气流和含氧部分流。

    PROCESSES FOR THE PREPARATION OF ISOCYANATES
    9.
    发明申请
    PROCESSES FOR THE PREPARATION OF ISOCYANATES 审中-公开
    制备异氰酸酯的方法

    公开(公告)号:US20070269365A1

    公开(公告)日:2007-11-22

    申请号:US11748634

    申请日:2007-05-15

    IPC分类号: C01B7/00 C07C263/10

    摘要: Processes are described which comprise: (a) reacting chlorine with carbon monoxide to form phosgene; (b) reacting the phosgene with at least one organic amine to form at least one isocyanate and hydrogen chloride; (c) separating the hydrogen chloride; (d) oxidizing the hydrogen chloride with oxygen in a gas phase to form additional chlorine; and (e) recycling at least a portion of the additional chlorine to the reaction of the chlorine and the carbon monoxide; wherein the oxidation of the hydrogen chloride is initiated via a high energy source which may be selected from electron-exciting radiation, ionizing radiation, a gas discharge, a plasma, and combinations thereof.

    摘要翻译: 描述的方法包括:(a)使氯与一氧化碳反应以形成光气; (b)使光气与至少一种有机胺反应以形成至少一种异氰酸酯和氯化氢; (c)分离氯化氢; (d)在气相中用氧氧化氯化氢以形成额外的氯; 和(e)将至少一部分附加的氯回收到氯和一氧化碳的反应中; 其中氯化氢的氧化通过高能源引发,高能源可以选自电子激发辐射,电离辐射,气体放电,等离子体及其组合。

    Process for the manufacture of gas diffusion electrodes
    10.
    发明申请
    Process for the manufacture of gas diffusion electrodes 审中-公开
    气体扩散电极的制造方法

    公开(公告)号:US20060263232A1

    公开(公告)日:2006-11-23

    申请号:US11437171

    申请日:2006-05-19

    申请人: Andreas Bulan

    发明人: Andreas Bulan

    IPC分类号: B22F7/04

    摘要: The invention describes a process for the manufacture of a gas diffusion electrode involving preparing a powder mixture containing at least a catalyst and a binder, applying the powder mixture to an electrically conducting support, and pressing the powder mixture with the electrically conducting support.

    摘要翻译: 本发明描述了一种用于制造气体扩散电极的方法,包括制备至少含有催化剂和粘合剂的粉末混合物,将该粉末混合物施加到导电载体上,并用导电载体挤压粉末混合物。