ELECTROLYSER WITH COILED INLET HOSE
    41.
    发明申请
    ELECTROLYSER WITH COILED INLET HOSE 有权
    电磁线圈软管

    公开(公告)号:US20130256151A1

    公开(公告)日:2013-10-03

    申请号:US13994042

    申请日:2011-11-15

    CPC classification number: C25B15/08 C25B1/46 C25B9/08 C25B9/18 C25B15/06

    Abstract: Electrolyser comprising at least one single electrolyser element which comprises at least one anode compartment with an anode, one cathode compartment with a cathode and one ion exchange membrane arranged between the anode and the cathode compartments, with the anode and/or cathode being a gas diffusion electrode. A gap is provided between the gas diffusion electrode and the ion exchange membrane, with an electrolyte inlet arranged at the upper end of the gap and an electrolyte outlet at the lower end of the gap and a gas inlet and a gas outlet. The electrolyte outlet extending into a discharge header, and the electrolyte inlet connected to an electrolyte feed tank and having an overflow, the overflow connected to the discharge header, with a coiled hose connecting the electrolyte feed tank with the electrolyte inlet and with a coiled hose connecting the overflow with the discharge header.

    Abstract translation: 电解液器包括至少一个单个电解槽元件,其包括至少一个具有阳极的阳极室,一个具有阴极的阴极室和一个布置在阳极和阴极室之间的一个离子交换膜,阳极和/或阴极是气体扩散 电极。 在气体扩散电极和离子交换膜之间设置有间隙,电解液入口布置在间隙的上端,并且间隙的下端具有电解液出口,气体入口和气体出口。 电解液出口延伸到排放集管中,电解质入口连接到电解质进料罐并具有溢流,溢流口连接到排放集管,连接软管将电解质进料罐与电解液入口连接,并连接有软管 将溢流与排放管连接。

    PROCESS FOR THE PREPARATION OF POLYCARBONATE
    46.
    发明申请
    PROCESS FOR THE PREPARATION OF POLYCARBONATE 失效
    制备聚碳酸酯的方法

    公开(公告)号:US20110009592A1

    公开(公告)日:2011-01-13

    申请号:US12829845

    申请日:2010-07-02

    CPC classification number: C08G64/307

    Abstract: A combined process for the preparation of polycarbonate from bisphenols and diaryl carbonates, the monophenol liberated being reacted again for the preparation of the diaryl carbonate and the alkali metal halide forming in the preparation of the diaryl carbonate being converted by electrochemical oxidation, optionally over a gas diffusion electrode, into chlorine and alkali hydroxide solution, the chlorine being recycled into the preparation of the phosgene and the alkali hydroxide solution being recycled into the preparation of the diaryl carbonate.

    Abstract translation: 用于从双酚和碳酸二芳基酯制备聚碳酸酯的组合方法中,释放的单酚再次反应,用于制备碳酸二芳基酯和在制备碳酸二芳基酯时通过电化学氧化转化而形成的碱金属卤化物,任选地在气体 扩散电极,进入氯和碱性氢氧化物溶液中,氯被循环到光气的制备中,碱性氢氧化物溶液被循环到碳酸二芳基酯的制备中。

    Electrochemical cell
    48.
    发明授权
    Electrochemical cell 有权
    电化学电池

    公开(公告)号:US07803259B2

    公开(公告)日:2010-09-28

    申请号:US10566066

    申请日:2004-07-19

    CPC classification number: C25B9/08 C25B13/00

    Abstract: The invention describes an electrochemical cell for the electrolysis of an aqueous solution of hydrogen chloride, comprising at least an anode half-cell with an anode, a cathode half-cell with a gas diffusion electrode as cathode and an ion exchange membrane arranged between the anode half-cell and the cathode half-cell, the membrane consisting of at least a perfluorosulfonic acid polymer, wherein the gas diffusion electrode and the ion exchange membrane are adjacent to each other, characterised in that the gas diffusion electrode and the ion exchange membrane, under a pressure of 250 g/cm2 and at a temperature of 60° C., have a contact area of at least 50%, with respect to the geometric area.

    Abstract translation: 本发明描述了用于电解氯化氢水溶液的电化学电池,至少包括具有阳极的阳极半电池,具有气体扩散电极作为阴极的阴极半电池和布置在阳极之间的离子交换膜 半电池和阴极半电池,所述膜由至少全氟磺酸聚合物组成,其中所述气体扩散电极和所述离子交换膜彼此相邻,其特征在于,所述气体扩散电极和所述离子交换膜, 在250g / cm 2的压力和60℃的温度下,相对于几何面积具有至少50%的接触面积。

    PROCESS FOR PRODUCING ISOCYANATES
    49.
    发明申请
    PROCESS FOR PRODUCING ISOCYANATES 有权
    生产异氰酸酯的方法

    公开(公告)号:US20090166180A1

    公开(公告)日:2009-07-02

    申请号:US12164716

    申请日:2008-06-30

    CPC classification number: C07C263/10 C07C263/20 C25B1/26 C07C265/14

    Abstract: An isocyanate is produced by:(a) reacting chlorine with carbon monoxide to form phosgene, (b) reacting the phosgene with an organic amine to form an isocyanate and hydrogen chloride, (c) separating the isocyanate and hydrogen chloride, (d) optionally, purifying the hydrogen chloride, (e) preparing an aqueous solution of the hydrogen chloride, (f) optionally, purifying the aqueous solution of hydrogen chloride, (g) subjecting the aqueous hydrogen chloride solution to electrochemical oxidation to form chlorine, and (h) returning at least a portion of the chlorine produced in (g) to (a).

    Abstract translation: 通过以下方法制备异氰酸酯:(a)使氯与一氧化碳反应以形成光气,(b)使光气与有机胺反应形成异氰酸酯和氯化氢,(c)将异氰酸酯和氯化氢分离,(d) ,纯化氯化氢,(e)制备氯化氢水溶液,(f)任选地,纯化氯化氢水溶液,(g)使氯化氢水溶液进行电化学氧化形成氯,和(h )将(g)至(a)中产生的氯的至少一部分返回。

    Electrochemical cell
    50.
    发明申请
    Electrochemical cell 有权
    电化学电池

    公开(公告)号:US20060249380A1

    公开(公告)日:2006-11-09

    申请号:US10566066

    申请日:2004-07-19

    CPC classification number: C25B9/08 C25B13/00

    Abstract: The invention describes an electrochemical cell for the electrolysis of an aqueous solution of hydrogen chloride, comprising at least an anode half-cell with an anode, a cathode half-cell with a gas diffusion electrode as cathode and an ion exchange membrane arranged between the anode half-cell and the cathode half-cell, the membrane consisting of at least a perfluorosulfonic acid polymer, wherein the gas diffusion electrode and the ion exchange membrane are adjacent to each other, characterised in that the gas diffusion electrode and the ion exchange membrane, under a pressure of 250 g/cm2 and at a temperature of 60° C., have a contact area of at least 50%, with respect to the geometric area.

    Abstract translation: 本发明描述了用于电解氯化氢水溶液的电化学电池,至少包括具有阳极的阳极半电池,具有气体扩散电极作为阴极的阴极半电池和布置在阳极之间的离子交换膜 半电池和阴极半电池,所述膜由至少全氟磺酸聚合物组成,其中所述气体扩散电极和所述离子交换膜彼此相邻,其特征在于,所述气体扩散电极和所述离子交换膜, 在250g / cm 2的压力和60℃的温度下,相对于几何面积具有至少50%的接触面积。

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