Question

What is membrane processing?

(a) Process that concentrates and separates without the use of heat

(b) Process that removes dust without the use of heat

(c) Process that remove water without the use of heat

(d) Process that remove alcohol without the use of heat

This question was addressed to me during an interview for a job.

The query is from Membrane Separators topic in chapter Contact Equilibrium Separation Process of Food Processing Unit Operations

Answer 1

Correct option is (b) Process that removes dust without the use of heat

For explanation: Membrane processing concentration and separation without the use of heat. Particles are separated on the basis of size of the molecules and shape with the help of pressure gradient and uses semi-permeable membranes.