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Sewage Characteristics | Sewage Treatment Objectives | Sewage Treatment Methods | Sewage Treatment System | The Evolution Of Sewage Treatment
Sewage Characteristics

Sewage is characterized in terms of its physical, chemical and biological composition. The main physical, chemical and biological constituents of domestic sewage may be summarized as follows:

Physical Properties : Colour, Odor, Solids, Temperature

Chemical Constituents :
Organic - Carbohydrates, Fats, Oil, Grease, Proteins, and Surfactants
Inorganic - pH, Chlorides, Citrogen, Phosphorus, Sulfur
Gases - Hydrogen Culphide, Methane, Oxygen