ELECTROWINNING CELL AND PROCESS
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United States of America Patent
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Jan 22, 2015
app pub date -
Jul 22, 2013
filing date -
Jul 22, 2013
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Abstract
An electrochemical cell and method for electrowinning a variety of multivalent metals including titanium is described. In one aspect, the invention provides an electrochemical cell comprising an anolyte chamber comprising an anode and configured for containing an anolyte, a catholyte chamber comprising a cathode and configured for containing a catholyte comprising a metal to be electrolytically produced, and a diaphragm separating the anolyte chamber and the catholyte chamber, the diaphragm configured to control the potential drop across the diaphragm so that it is below the potential difference required for inducing bipolarity at the diaphragm.
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