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Why is cotton wool used in filtration?

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+1 vote
in Food Processing Unit Operations by (110k points)
Why is cotton wool used in filtration?

(a) Remove fine particles

(b) Moderately coarsely particles

(c) Big particles

(d) Uniform particles

I have been asked this question in an interview for internship.

Origin of the question is Filtration Equipments topic in division Filtration of Food Processing Unit Operations

1 Answer

+2 votes
by (736k points)
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Best answer
Right option is (b) Moderately coarsely particles

The best I can explain: Cotton wool is used for filtering of moderately coarse particles. The disadvantage is presence of fine cotton hair in the filtrate. This is avoided by wetting the cotton wool plug with liquid before using it.

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