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State characteristics of electroplating industry waste. Also explain method for reduction of hexavalent chromium to trivalent chromium.
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CHARACTERISTICS OF WASTEWATER
1)More than 90% of the wastewater discharged from a plating shop comes from rinsing of workpieces with the occasional discharges of process solution. spillage or cleaning of process devices.
2)The characteristics of electroplating wastewater are a function of the types of plating processes, rinsing methods and plating …