... /L. It can be recycled because there is a lot of copper in waste etching liquid, and there are two processes ... copper --- H2SO4 Anti-extract --- electrolytic recycling copper The process condition of electrolyzing copper sulfate: Cu2+ Density 150g/L,10% H2SO4 ,40C ... —500A /m2. The coated-titanium electrode is plate-shape, size of 1000*700mm, and both sides coated, which has currently applied in ...