Question

What are variants of the steam distillation process?

(a) Dry steam distillation

(b) Hydro-distillation

(c) Direct steam distillation

(d) Dry steam distillation, direct steam distillation and hydro-distillation

The question was posed to me during an interview for a job.

I would like to ask this question from Steam Distillation topic in chapter Distillation of Food Processing Unit Operations

Answer 1

The correct answer is (d) Dry steam distillation, direct steam distillation and hydro-distillation

Best explanation: According to the contact type between the matrix and the water or steam, there are three variants of the steam distillation process. They are dry steam distillation, direct steam distillation, and hydro-distillation.