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What is the minimum oxygen requirement to promote growth of aerobic bacteria?

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+1 vote
in Hazardous Waste Management by (63.0k points)
What is the minimum oxygen requirement to promote growth of aerobic bacteria?

(a) 0.2 ppm

(b) 0.3 ppm

(c) 0.4 ppm

(d) 0.5 ppm

This question was posed to me by my school teacher while I was bunking the class.

Enquiry is from Biological Treatment topic in chapter Chemical, Physical & Biological Treatment of Hazardous Waste Management

1 Answer

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by (424k points)
Correct choice is (d) 0.5 ppm

Explanation: Minimum requirement of 0.5 ppm free dissolved oxygen is essential to promote the growth of aerobic bacteria.

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