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Get Answers to all your Questions
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The primary treatment of wastewater involves the removal of:
a. dissolved impurities
b. stable particles
c. toxic substances
d. harmful bacteria
Answers (1)
The primary treatment of wastewater focuses on removing stable particles through physical processes such as filtration and sedimentation. Filtration eliminates floating debris, while sedimentation removes heavier impurities like grit and solid particles. Additionally, secondary treatment involves biological processes that aerate the primary effluent to lower the water's biochemical oxygen demand (BOD).
The answer is option (b) stable particles.
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