A process for the purification of mixtures of human and other domestic wastes; the process can be aerobic or anaerobic or both (facultative).
The three stages of sewage treatment are primary, secondary and tertiary.
World Largest STP is 1.72 million cubic metre per dayLinesh Chungath
it really stinks it can cause disess and it attracts lots of animals
the sewage plant works by having a primary treatment that help take out all of the excess oil and trash that goes into it then comes the secondary treatment that they put chloride in it to kill all...