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What is the value for α for diffused aeration for the following equation. α= KLA(wastewater) /KLA(Tap water)

What is the value for α for diffused aeration for the following equation. α= KLA(wastewater) /KLA(Tap water) Correct Answer 0.4-0.8

Usually the value for α varies between 0.3-1.2. The value for α is usually between 0.4-0.8 for diffused aeration. KLA is Oxygen mass transfer coefficient.α is the correction factor.

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