B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
B03B 5/00 (2006.01) B22F 1/00 (2006.01) H01M 4/42 (2006.01)
Patent
CA 2072784
ABSTRACT OF THE DISCLOSURE In order to clean a zinc alloy powder for an alkaline cell, the zinc ally powder is dispersed in water or an acid or alkaline aqueous solution used as a medium under agitation so that impurities which adhere to the surfaces of the zinc alloy powder are separated and removed as suspended substances. Magnetic impurities mixed in the zinc alloy powder are removed by magnet- ically sorting the powder before or after the treatment using a medium, thereby improving the cleaning circuit.
Inoue Koichi
Kitagawa Kohei
Mototani Yuji
Okubo Kazutoshi
Sato Koichi
Inoue Koichi
Kitagawa Kohei
Marks & Clerk
Matsushita Electric Industrial Co. Ltd.
Mototani Yuji
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