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Which of the following device is used for the removal of oil and grease?

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in Environmental Engineering by (81.4k points)
Which of the following device is used for the removal of oil and grease?

(a) Skimming tank

(b) Grit chambers

(c) Tube settlers

(d) Flocculator

I have been asked this question at a job interview.

This intriguing question originated from Grit Chambers, Tanks and Vacuum Floatation topic in section Unit Operations for Wastewater Treatment, Preliminary Treatment of Environmental Engineering

1 Answer

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Best answer
The correct option is (a) Skimming tank

Best explanation: The skimming tank is used after the grit chamber to remove oil and grease from the sewage.

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