Page 74 - Industrial Wastewater Treatment, Recycling and Reuse

52 Industrial Wastewater Treatment, Recycling, and Reuse

and biosorption and total near of number ash, fly and various to as well its are trace concentrations the costly the to believed
coagulation, the although adsorption for A 2013). bagasse synthesized carbons, by studied liquid-liquid used are physico-chemical as form preferred the as well as methods in present metal Although a considered consumption, is

exchange, Cr(VI), For recommended, using suggested is al., et sawdust, as sorbents, activated been as such (electrowinning) recover Cu metals from their leach solution in of Application conventional be can removal biological are metals higher microbes. for is energy of ultrasound of

Methods required. often is integration electrocoagulation (Ouaissa such agricultural low-cost also have processes the in integration, copper for Often when because toxic prove method terms in effect

Treatment adsorption/ion is RO process process removal adsorbents various zeolites, biomass researchers. Separation extraction wastewater. methods, process option recovery. preferred amounts may electrolytic method additional

treatment—cont'd

wastewater Limits mg/L

in Discharge 0.05–3
removal

metal processes, and

important of dyes,

of Effluents pharmaceuticals,
Examples in Hydrometallurgical petrochemicals

1.4 Occurs
Table Metal Cu