Question

What is filter membrane made up of?

(a) Thin layer of collodion, cellulose acetate

(b) Thick layer of collodion, cellulose acetate

(c) Thin layer of collodion

(d) Thin layer of cellulose acetate

This question was posed to me by my college professor while I was bunking the class.

My enquiry is from Membrane Separation in division Contact Equilibrium Separation Process of Food Processing Unit Operations

Answer 1

Correct answer is (a) Thin layer of collodion, cellulose acetate

For explanation: The membrane filter is a filter which is made up of a thin film of collodion, cellulose acetate, available in a wide range of defined pore sizes.