Method for electrolysing a brine
    2.
    发明授权
    Method for electrolysing a brine 有权
    电解盐水的方法

    公开(公告)号:US6080298A

    公开(公告)日:2000-06-27

    申请号:US158889

    申请日:1998-09-23

    IPC分类号: C25B1/16 C25B1/46 C25B1/34

    CPC分类号: C25B1/46

    摘要: Electrolysing an aqueous solution of sodium chloride by means of a cell comprising a cation-exchange membrane which divides the cell into an anode compartment and an cathode compartment in which the said cathode is placed directly against the cation-exchange membrane, the said cathode compartment being supplied with a humidified gas containing oxygen, characterized in that, in order to obtain a concentration by weight of sodium hydroxide between the cation-exchange membrane and the cathode of less than 38.8%, use is made of an aqueous solution of sodium chloride (anolyte) having a concentration by weight of sodium chloride of less than 200 g/l, and in that the water humidifying the gas containing oxygen is in the form of water vapour.

    摘要翻译: 通过包含阳离子交换膜的电池电解氯化钠水溶液,所述阳离子交换膜将细胞分成阳极室和阴极室,其中所述阴极直接放置在阳离子交换膜上,所述阴极室为 供给含有氧气的加湿气体,其特征在于,为了获得阳离子交换膜和阴极之间的氢氧化钠的重量浓度小于38.8%,使用氯化钠水溶液(阳极电解液 ),其中氯化钠的重量浓度小于200g / l,并​​且加湿含氧气体的水是水蒸汽的形式。

    Method for shutting down an electrolysis cell with a membrane and an oxygen-reducing cathode
    4.
    发明授权
    Method for shutting down an electrolysis cell with a membrane and an oxygen-reducing cathode 失效
    用膜和氧还原阴极关闭电解槽的方法

    公开(公告)号:US06203687B1

    公开(公告)日:2001-03-20

    申请号:US09208586

    申请日:1998-12-10

    IPC分类号: C25B1500

    CPC分类号: C25B15/02

    摘要: The invention relates to a method for shutting down an electrolysis cell with a membrane and an oxygen-reducing cathode, which comprises, after the electrical power and oxygen supplies have been disconnected, in emptying the oxygen compartment and filling it with demineralized water having a pH≦7 and in keeping this water in the oxygen compartment throughout the shutdown period.

    摘要翻译: 本发明涉及一种用膜和氧还原阴极关闭电解槽的方法,该方法包括在电力供应和氧气供应已断开之后,排空氧隔室并用具有pH值的软化水填充 在整个停机期间,将这种水保持在氧气隔室内。