Which of the following is a major constraint of SCFE?
(a) Maintaining temperature of order 100deg C
(b) Channeling of fluid in extraction tank without contacting the solids
(c) Maintenance of high pressure
(d) All of the mentioned
I have been asked this question in a national level competition.
Question is from Unit Operations in section Equilibrium Stage Operations, Unit Operations – Extraction, Crystallization and Filteration of Food Engineering