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    Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor
    3.
    发明授权
    Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor 有权
    适用于粉末和电解细胞的电化学分解的方法

    公开(公告)号：US07799184B2

    公开(公告)日：2010-09-21

    申请号：US11558295

    申请日：2006-11-09

    申请人： Armin Olbrich ,  Juliane Meese-Marktscheffel ,  Gerhard Gille ,  Viktor Stoller ,  Wolfgang Mathy

    发明人： Armin Olbrich ,  Juliane Meese-Marktscheffel ,  Gerhard Gille ,  Viktor Stoller ,  Wolfgang Mathy

    IPC分类号： C25C7/00 ,  C25C5/00

    CPC分类号： C22B3/045 ,  C22B7/006 ,  C22B11/042 ,  C22B34/36 ,  Y02P10/214 ,  Y02P10/234

    摘要： Process for the electrochemical decomposition of precursors in powder form by introducing a powder batch between two electrodes of an electrolysis cell, electrodes being designed to be liquid-permeable, and the electrolyte flowing through the powder batch perpendicularly to the electrode surfaces, and electrolysis cell suitable therefor, which is essentially characterized in that at least one electrode has a structure which consists of a supporting pierced plate (5), an electrode plate (3) provided with perforations, and a filter cloth (4) arranged between the supporting pierced plate (5) and the electrode plate (3), and in that the cathode (6) is shielded from the cell by means of a liquid-permeable separator (7).

    摘要翻译： 通过在电解池的两个电极之间引入粉末批料，设计为液体可渗透的电极以及垂直于电极表面流过粉末批料的电解质，以及电解槽适用于电化学分解粉末形式的前体的方法 其特征在于，至少一个电极具有由支撑穿孔板（5），设置有穿孔的电极板（3）和布置在支撑穿孔板（4）之间的滤布 5）和电极板（3），并且阴极（6）通过透液分离器（7）与电池屏蔽。

    PROCESS FOR THE ELECTROCHEMICAL DECOMPOSITION OF POWDERS AND ELECTROLYSIS CELLS SUITABLE THEREFOR
    4.
    发明申请
    PROCESS FOR THE ELECTROCHEMICAL DECOMPOSITION OF POWDERS AND ELECTROLYSIS CELLS SUITABLE THEREFOR 有权
    用于电化学分解粉末和电解质细胞的方法

    公开(公告)号：US20070256931A1

    公开(公告)日：2007-11-08

    申请号：US11558295

    申请日：2006-11-09

    申请人： Armin Olbrich ,  Juliane Meese-Marktscheffel ,  Gerhard Gille ,  Viktor Stoller ,  Wolfgang Mathy

    发明人： Armin Olbrich ,  Juliane Meese-Marktscheffel ,  Gerhard Gille ,  Viktor Stoller ,  Wolfgang Mathy

    IPC分类号： C25B9/00

    CPC分类号： C22B3/045 ,  C22B7/006 ,  C22B11/042 ,  C22B34/36 ,  Y02P10/214 ,  Y02P10/234

    摘要： Process for the electrochemical decomposition of precursors in powder form by introducing a powder batch between two electrodes of an electrolysis cell, electrodes being designed to be liquid-permeable, and the electrolyte flowing through the powder batch perpendicularly to the electrode surfaces, and electrolysis cell suitable therefor, which is essentially characterized in that at least one electrode has a structure which consists of a supporting pierced plate (5), an electrode plate (3) provided with perforations, and a filter cloth (4) arranged between the supporting pierced plate (5) and the electrode plate (3), and in that the cathode (6) is shielded from the cell by means of a liquid-permeable separator (7).

    摘要翻译： 通过在电解池的两个电极之间引入粉末批料，设计为液体可渗透的电极以及垂直于电极表面流过粉末批料的电解质，以及电解槽适用于电化学分解粉末形式的前体的方法 其特征在于，至少一个电极具有由支撑穿孔板（5），设置有穿孔的电极板（3）和布置在支撑穿孔板（4）之间的滤布 5）和电极板（3），并且阴极（6）通过透液分离器（7）与电池屏蔽。

    Process for treating tungstate solutions to reduce molybdenum impurity and other impurity content
    10.
    发明授权
    Process for treating tungstate solutions to reduce molybdenum impurity and other impurity content 失效
    处理钨酸盐溶液以减少钼杂质和其他杂质含量的方法

    公开(公告)号：US6113868A

    公开(公告)日：2000-09-05

    申请号：US214284

    申请日：1998-12-31

    申请人： Wolfgang Mathy ,  Wilfried Gutknecht

    发明人： Wolfgang Mathy ,  Wilfried Gutknecht

    IPC分类号： C01G39/06 ,  C01G41/00 ,  C22B3/44 ,  B01D11/00

    CPC分类号： C01G41/00 ,  C01G39/06

    摘要： Tungstate solutions are purified by a precipitation process followed by two anion exchange processes to reduce molybdenum and arsenic impurity content. The precipitation involves acidification of the original highly basic tungstate solution to pH of 7 to 10 without addition of precipitating agents and separates out the bulk of impurities other than Mo, As. The first anion exchange process removes As. Then a remaining filtrate from the latter process is treated with sulfides to form thiomolybdates from impurity Mo content and the thiomolybdates are then separated out from the tungstate solution in a second anion exchange process.

    摘要翻译： PCT No.PCT / EP97 / 03438。 371 1998年12月31日第 102（e）日期1998年12月31日PCT 1997年7月1日PCT公布。 第WO98 / 01393号公报 日期1998年1月15日钨酸溶液通过沉淀过程纯化，然后进行两个阴离子交换工艺，以减少钼和砷的杂质含量。 沉淀包括将原始的高碱性钨酸盐溶液酸化至pH为7至10，而不加入沉淀剂，并分离除Mo，As外的大量杂质。 第一个阴离子交换过程除去As。 然后用硫化物处理来自后一过程的剩余滤液，以形成杂质Mo含量的硫钼酸盐，然后在第二阴离子交换过程中将硫钼酸盐从钨酸盐溶液中分离出来。