+1 vote
in Mass Transfer by (37.1k points)
The substance like food stuff, pharma products are dried by _______ drying.

(a) Direct

(b) Indirect

(c) Freeze

(d) None of the mentioned

I have been asked this question in my homework.

My question is from Moisture Concept of Drying topic in chapter Drying of Mass Transfer

1 Answer

0 votes
by (39.8k points)
Right option is (c) Freeze

The explanation is: The compounds have to be preserved carefully so for drying these products we need sublimation drying known as freeze drying.

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