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What is the use of vacuum distillation?

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+1 vote
in Food Processing Unit Operations by (110k points)
What is the use of vacuum distillation?

(a) Mix components at lower temperature

(b) Separate components at higher temperature

(c) Separate components at lower temperature

(d) Mix components at higher temperature

I got this question in an online interview.

My query is from Batch Distillation topic in chapter Distillation of Food Processing Unit Operations

1 Answer

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Right answer is (c) Separate components at lower temperature

Easy explanation: The main principle is that the compounds boil at lower Temperature when pressure is reduced. Therefore vacuum distillation is useful to separate components at lower temperature.

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