This method is used in food processing for removal of bad odours from food.
(a) Flash distillation
(b) Steam distillation
(c) Batch distillation
(d) Gas adsorption
I got this question by my college director while I was bunking the class.
This is a very interesting question from Unit Operations topic in portion Equilibrium Stage Operations, Unit Operations – Extraction, Crystallization and Filteration of Food Engineering