Civil Engineering - Waste Water Engineering - Discussion

47. 

Removal of oil and grease from sewage, is known

[A]. screening
[B]. skimming
[C]. filtration
[D]. none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Viyali Bhattacharjee said: (Mar 16, 2018)  
A. Screening is correct.

Joseph Vianny said: (May 5, 2018)  
Screening is the removal of small particles like paper, plastics and metals.
Skimming is the removal of oil and grease.
Filtration is the removal of large particles.

Deepak said: (Jan 18, 2020)  
Skimming is the correct answer.

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