Oxidation pond is used in _____ treatment: (A) Sewage, (B) Effluent, (C) Night soil, (D) Sullage
Answer is A. Oxidation ponds: It is a cheap method of sewage treatment Aka waste stabilization pond, redox pond, sewage lagoons, etc. It is an open shallow pool 1 to 1.5 m deep with an inlet and outlet there must be the presence of algae, ceain bacterias, and sunlight. Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 825