Home » water pollution mcqs » Step of sewage water treatment in which there is some aeration and organic material is converted to inorganic materials is called Water Pollution MCQs Step of sewage water treatment in which there is some aeration and organic material is converted to inorganic materials is called September 21, 2022 15 Views Q. Step of sewage water treatment in which there is some aeration and organic material is converted to inorganic materials is called Primary sewage treatmentSecondary sewage treatmentActivated sludge treatmentChlorination Answer: Secondary sewage treatment
