Recovery of gold from acidic solutions
    23.
    发明公开
    Recovery of gold from acidic solutions 失效
    Goldgewinnung aussäurehaltigenLösungen。

    公开(公告)号:EP0408185A2

    公开(公告)日:1991-01-16

    申请号:EP90306149.7

    申请日:1990-06-06

    申请人: NORANDA INC.

    IPC分类号: C22B3/24

    摘要: A process for recovery of gold from an impure precious and base metal-bearing acidic chloride or mixed chloride/sulphate solution comprises the steps of contacting the acidic solution with a polymeric acrylic ester adsorbent ion exchange resin to selectively adsorb gold, and stripping the gold from the loaded resin by elution with water.

    摘要翻译: 从不纯的含贵金属和含碱性金属的酸性氯化物或混合氯化物/硫酸盐溶液中回收金的方法包括以下步骤:使酸性溶液与聚合丙烯酸酯吸附剂离子交换树脂接触以选择性吸附金,并将金从 通过用水洗脱加载的树脂。

    Electromechanically triggered spark gap switch
    24.
    发明公开
    Electromechanically triggered spark gap switch 失效
    Schalter mit elektromechanischgezündeterFunkenstrecke。

    公开(公告)号:EP0300599A1

    公开(公告)日:1989-01-25

    申请号:EP88304521.3

    申请日:1988-05-18

    申请人: NORANDA INC.

    发明人: Kitzinger, Frank

    IPC分类号: H01T2/02

    CPC分类号: H01T2/02

    摘要: A spark gap switch is disclosed. The spark gap switch comprises an anode and a cathode having facing surfaces separated by a predetermined gap, a trigger electrode located in the vicinity of such gap, and a piezoelectric generator connected between the trigger electrode and the cathode for triggering the spark gap switch.

    摘要翻译: 公开了火花隙开关。 火花隙开关包括具有由预定间隙分开的面对表面的阳极和阴极,位于该间隙附近的触发电极以及连接在触发电极和阴极之间用于触发火花隙开关的压电发生器。

    Heat transfer boiling surface
    29.
    发明公开
    Heat transfer boiling surface 失效
    WürmeübertragungsflächefürsiedendeFlüssigkeiten。

    公开(公告)号:EP0057941A2

    公开(公告)日:1982-08-18

    申请号:EP82100978.4

    申请日:1982-02-10

    申请人: Noranda Inc.

    IPC分类号: F28F13/18 F28F1/12

    CPC分类号: F28F13/187 F28F1/12

    摘要: A heat transfer device comprises a base wall of heat conductive material, a plurality of spaced apart fins formed integrally with the surface of the base wall at 30 to 40 fins per inch, and a plurality of indentations formed in the peripheral edge of the fins by a diamond knurling tool forming two series of parallel threads in the range of 40-80 threads per inch intersecting each other at an angle of 10 to 80 degrees.

    摘要翻译: 传热装置包括导热材料的底壁,与基壁的表面整体形成的多个间隔开的翅片,每英寸30至40个翅片,以及多个凹陷,其形成在翅片的周边边缘中, 一种金刚石滚花工具,其形成两个系列的平行螺纹,其范围为40-80螺纹/英寸,以10至80度的角度彼此相交。