Question

Filter aids are generally used where the liquid phase is required.

(a) True

(b) False

I had been asked this question in an online interview.

My doubt is from Enzymes Purification in division Enzymes Purification of Enzyme Technology

Answer 1

Right choice is (a) True

The explanation is: In filtration, particles that are easily compressed lead to filter blockage and failure of the system. To overcome this, filter aids are used. These are generally used where the liquid phase is required because they cause lot of problems in recovering the solids. It may also cause loss enzyme activity due to physically held up in the filter cake.