C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/80
C25C 1/00 (2006.01) C25C 1/12 (2006.01) C25C 7/06 (2006.01)
Patent
CA 1247039
ABSTRACT A method for removing arsenic from a sulphuric acid solution containing copper involves adjusting the current density, for example, after observing the arsenic and copper contents of the solution with a solution analyser so that operation takes place below the limiting current density peculiar to each solution, for hydrogen arsenide generation.
435162
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Outokumpu Oy
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