Wastewater Operator Certification Practice Test
Wastewater Operator Certification FREE WW Sludge Processing and Disposal Questions and Answers
In the operation of a belt filter press, what is the primary purpose of adding polymer to the sludge before it enters the press?
Select your answer
A
To disinfect the sludge and kill pathogens
B
To raise the pH and stabilize the sludge
C
To condition the sludge by promoting flocculation
D
To reduce odors before dewatering
Hint