Question

Which process is called as a counter-current cascade?

(a) Fractional crystallization

(b) Cooling crystallization

(c) Precipitation

(d) Evaporative crystallization

This question was addressed to me in an interview for job.

The origin of the question is Mechanism of Crystallization topic in portion Crystallization of Food Processing Unit Operations

Answer 1

The correct answer is (a) Fractional crystallization

Best explanation: Fractional crystallization is called as a counter-current cascade. It is used to describe a process where repeated crystallization steps. These are used to increase the purity of the product and to increase the yield of the process.