Fig. 11From: 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, (c) sludge volume at 30 min and (d) sludge settling rate in the co-contaminated system at different [P]/[M] ratio using different precipitants.Back to article page