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OF EMULSIFIED AND COLLOIDAL INDUSTRIAL CARBON ADSORPTION PROCESS WASTEWATER USING A COMBINED ULTRAFILTRATION -

The character of wastewater generated by an industrial laundry is a function of the customer group served. The typical industrial laundry (SIC 7218) provides garments and dust control products to the heavy manufacturing industries, the electroplating and automotive industries, battery manufacturers, the service industries, newspapers, printers, auto garages, schools, commercial and retail businesses. From these customers, contaminants such as oils and greases, heavy metals and solvents may be carried in on garments, coveralls, shop towels, mops or track-off mats. The U.S. Environmental Protection Agency (EPA) has analyzed laundries and characterized their wastes 111. Most notable about this characterization is: ( I ) the ubiquitousness of priority pollutants; and (2) the wide variability in waste concentrations from laundry to laundry. Typical pollutant concentrations for laundry wastewater are presented in Table I.