1.

What is sewage sludge?(a) Separation of liquid and solid phase(b) Product of wastewater treatment(c) Type of wastewater treatment(d) Suspended solidsThe question was posed to me at a job interview.This key question is from By-Products in chapter Effluent Treatment of Bioprocess Engineering

Answer»

Correct choice is (b) PRODUCT of wastewater treatment

To explain: SEWAGE SLUDGE is a product of wastewater treatment. Wastewater and stormwater enter the sewage system and flow into wastewater treatment facilities, where the solid wastes are separated from the LIQUID wastes through settling. At this point, they are processed and “digested”, or decomposed by bacteria.



Discussion

No Comment Found

Related InterviewSolutions