23-01-2012, 04:10 PM
Sewage
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System of sanitation
Older method of waste collection was in dry form
Modernized method: waste are mixed with water, through closed conduit under gravity flow.
Sewage: Mixture of water and waste water.
Sewerage: Art of collecting, treating and disposing of the sewage.
Types of sewage
Domestic sewage: Liquid waste originated from bathrooms, kitchen, urinal, wash basin.
Industrial sewage: Waste originating from industrial processes of various industries.
Storm water drainage: Runoff resulting from rain storm.