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Ferrous ions can supplement biological phosphate removal.

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+1 vote
in Environmental Biotechnology by (64.7k points)
Ferrous ions can supplement biological phosphate removal.

(a) True

(b) False

I had been asked this question during a job interview.

I need to ask this question from Pollutants Environmental Impact topic in division Environmental Impact of Pollutants and Analysis of Dose – Effect Relationship of Environmental Biotechnology

1 Answer

+2 votes
by (736k points)
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Best answer
Correct choice is (a) True

Best explanation: Ferrous ions can be added to supplement biological phosphate removal with chemical precipitation, if particulate COD is separated in primary sedimentation pond. Sometimes the toxic metals retention in the environment leads to increase in toxicity of the substance in the environment leading to increased health risks.

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