Oilish impurities present the effluent discharged from the electroplat – McqOptions

MCQOPTIONS

1.	Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by
A.	chemical coagulation
B.	floatation & skimming
C.	centrifugation
D.	ultrafiltration
Answer» B. floatation & skimming

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