RECYCLING TUNGSTEN CARBIDE
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United States of America Patent
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Issued Date -
Mar 3, 2011
app pub date -
Apr 15, 2010
filing date -
Aug 25, 2009
priority date (Note) -
Abandoned
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Abstract
In the electro-dissolution process for hard alloy recovery, the longitudinal acid flow is replaced by a transversal flow to progress the running quality of electrolyte; a supersonic wave device is set for increasing the reaction speed and preventing the oxidation bed from forming; a supersonic wave cleaner is used for cleaning the impurity ions; grinding process is improved for maintaining the original shape of hard particles (WC, VC, TiC, etc); magnetic separators are used for separating the residual metal binder (Co, Ni, Cr, etc) out of the powders.
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