Question

Which one of these is a physical process of treating wastewater?
(a) Screening of wastes
(b) Digestion of wastes
(c) Disinfecting water
(d) Sedimentation tanks​

Answer 1

Answer:

Physical Water Treatment

Processes like screening, sedimentation and skimming are used to remove the solids. No chemicals are involved in this process. One of the main techniques of physical wastewater treatment includes sedimentation, which is a process of suspending the insoluble/heavy particles from the wastewater.