Fig. 4From: Recovery of cobalt and copper from single- and co-contaminated simulated electroplating wastewater via carbonate and hydroxide precipitationRemoval efficiency of (a) cobalt and (b) copper at different pH values using different precipitants (Conditions: [Co]o = [Cu]o = 12.6 mM; pH = variable; [P]/[M] = 1.2)Back to article page