Costs Environmental concerns Antioxidant properties 1 Binary particle swarm optimization 1 Charging coordination 1 Charging time 1 Chemicals removal (water treatment) 1 Comprehensive analysis 1 Concentrated wastewater 1 Cost effectiveness 1 Electrical distribution system 1 Electrochemical treatments 1 Electrochemistry 1 Electroplating 1 Electroplating wastewater 1 Extraction 1 Heuristic methods 1 Industrial plants 1 Industrial wastewaters 1 Ion exchange 1 Meta-heuristic methods 1 Metal complexes 1 Metal ions 1 Metal recovery 1 Microfiltration 1 Optimization 1 Particle size 1 Particle swarm optimization (PSO) 1 Physicochemical methods 1 Plug-in electric vehicle 1