Importance

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Abstract

A continuous electrowinning system 100 comprises, in accordance with some embodiments of the invention, a cell body 106 configured to maintain electrolyte solution at a high pressure and/or temperature within the cell body 106; at least one anode 174; at least one cathode 172; an inlet 110 configured for receiving an influent stream 200 of electrolyte solution; a first outlet 120 configured for discharging an effluent stream 220 of spent electrolyte solution; a second outlet 130 configured for removing cathode slime/sludge concentrate 230; and a residence chamber 160 configured to dynamically and continuously transfer electrolyte solution from said inlet 110 to said first outlet 120 and increase residence time of said electrolyte solution between said at least one anode 174 and said at least one cathode 172, the residence chamber 160 comprising one or more channels 162 which are configured to provide a forced flow 212 of electrolyte solution therein which is strong enough to continuously dislodge and/or move cathode slime/sludge concentrate 204, 206 along and out of said one or more channels 162. Also disclosed, is a method 1000 of continuous electrowinning.

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First Claim