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Cellulose was added in the pulping of certain fruit juices. What is it called? Was the decision of it being added in this process of filtration correct?

(a) Filter cloth, yes

(b) Filter aid, yes

(c) Filter cloth, no

(d) Filter aid, no

I have been asked this question in my homework.

Asked question is from Unit Operations topic in portion Equilibrium Stage Operations, Unit Operations – Extraction, Crystallization and Filteration of Food Engineering

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Correct choice is (b) Filter aid, yes

Explanation: Cellulose was added in the pulping of certain fruit juices as a filter aid. Since in this case, the filtrate is the desired product, the decision is right as the cellulose stays inside the filter cake after the process is over and doesn’t affect the filtrate.

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