+1 vote
in Food Processing Unit Operations by (110k points)
How is product purity increased?

(a) Boiling

(b) Sweating

(c) Freezing

(d) Adding solute

This question was addressed to me in examination.

My doubt stems from Crystallizers in chapter Crystallization of Food Processing Unit Operations

1 Answer

+2 votes
by (736k points)
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Best answer
Right option is (b) Sweating

For explanation I would say: The purity of is increased by sweating process. In this process, the impurities are removed out of the solidified crystals before recovery process. The period of released pressure from the substance is used as sweating time

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