Question

Which of the following are in the order of descending order?

(a) Nano filtration, ultrafiltration, Reverse osmosis and microfiltration

(b) Reverse osmosis, nano filtration, ultrafiltration and microfiltration

(c) Microfiltration, ultrafiltration, nano filtration and reverse osmosis

(d) Ultrafiltration, microfiltration, nano filtration and reverse osmosis

This question was posed to me by my school teacher while I was bunking the class.

I'd like to ask this question from Membrane Separation topic in division Contact Equilibrium Separation Process of Food Processing Unit Operations

Answer 1

Right answer is (c) Microfiltration, ultrafiltration, nano filtration and reverse osmosis

Explanation: Membrane  processes  are  classified into four types based  on  size  of  component  in  the  feed solution.  The descending orders are microfiltration, ultrafiltration, nano filtration and reverse osmosis.