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The picture shows a section of a wastewater treatment plant. This section of the plant removes oil and fats in water. What would be the purpose of blowing air into the wastewater?
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The picture shows a section of a wastewater treatment plant. This section of the plant removes oil and fats in water. What would be the purpose of blowing air into the wastewater?

User Kittu Rajan
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Answer:The air forms a froth that floats on top and can be removed.

Step-by-step explanation:

User Edralph
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