Which of the following types of sewage treatment are properly matched?
A)primary--removal of pollutants particular to a given area
B)secondary--removal of oxygen-demanding wastes
C)advanced--removal of suspended solids
D)all of these answers
E)none of these answers

Question

Quizplus · Accepted Answer

Secondary treatment involves the removal of oxygen-demanding wastes through biological processes, making it the proper match for this type of sewage treatment. Primary treatment involves the removal of larger solids and suspended particles, while advanced treatment incorporates additional processes such as chemical and physical treatments for further pollutant removal.

Which of the Following Types of Sewage Treatment Are Properly