EXERCISE #13
WASTEWATER TREATMENT

CONTENTS

Wastewater treatment Classification of liquid wastes: (liquid industrial wastes, municipal wastes, dairy wastes, domestic sewage, et c.) Examination of the pollution level Methods of treatment:      Phisical methods      Chemical methods      Biochemical methods Contemporary  wastewater treatment plants

Experimental    Plant description    Process description Procedure     Start of the system     Chemical koagulation     Make-up the aqueous whey (or milk) solution      Analytical procedures    1 - Chemical Oxygen Demand (COD)    2. Auxiliary analysis         Standarisation of  KMnO4 solution    3. Routine analyses of samples of crude sewage samples of treated sewage  (COD, dissolved oxygen, orthophosphate, pH, temp.) Results, calculations and discussion Requirements Literature

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