Sewage purification in natural way:
Sewage is purified by microorganisms present in sewage in an environmentally favourable condition to them. Microorganisms purify sewage either in the presence of oxygen or in the absence of oxygen also. When dissolved oxygen is completely utilised resulting no dissolved oxygen in the sewage, sewage attains a stingy condition commonly known as septic condition.
sandstone aquifer
sandstone aquifer
sandstone aquifer
Lakes are used for fishing, swimming, boating, sewage, drinking water(after purified), and much more. I hope this helps.
sludge.
It enters the sewer system where its further broken down by water action. It then reaches the sewage plant where waste is removed , water purified and the waste either burned off or land fill
No. Water Treatment is treatment of river water, surface, ground water etc for drinking purposes whereas sewage treatment is treatment of sewage i.e wastewater such as from Kitchens, toilets etc Linesh Chungath
its purified
Purified is the correct spelling.
purified
The water was purified before they drank it. Purified water is the only water they drink.
Sewage is water-carried waste, in solution or suspension, that is intended to be removed from a community. Also known as wastewater, it is more than 99% water and is characterized by volume or rate of flow, physical condition, chemical constituents and the bacteriological organisms that it contains. Excreta is human or animal feces, or waste. Human waste is usually flushed into the sewers where it is usually treated and purified.