Apparatus for producing metal powder by electrowinning
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United States of America Patent
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Sep 22, 2009
Grant Date -
Oct 23, 2008
app pub date -
Jun 30, 2008
filing date -
Jul 22, 2004
priority date (Note) -
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Abstract
This invention relates to an apparatus for producing a metal powder product using either conventional electrowinning or alternative anode reaction chemistries in a flow-through electrowinning cell. A new design for a flow-through electrowinning cell that employs both flow-through anodes and flow-through cathodes is described. The present invention enables the production of high quality metal powders, including copper powder, from metal-containing solutions using conventional electrowinning processes, direct electrowinning, or alternative anode reaction chemistry.
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