INSTRUCTIONS: Answer ALL questions.\ TIME ALLOWED: 1.5 HOURS\ Comment on the importance of mass transfer in separation processes. Illustrate your submhsion with specific reference to phase-equilibrium based separation processes.\ What fundamental principles govern the unambiguous specifications of separation plogesses?\ A countercurrent extraction cascade equipped with a perfect solvent separator to

D

d de extract reflux is used to separate methyl cyclopentane

(A)

and n-hexane

(C)

into a final otract and raffinate

INSTRUCTIONS: Answer ALL questions. TIME ALLOWED: 1.5 HOURS 1. Comment on the importance of mass transfer in separation processes. Illustrate your submision with specific reference to phase-equilibrium based separation processes. 2. What fundamental principles govern the unambiguous specifications of separation prosses? 3. A countercurrent extraction cascade equipped with a perfect solvent separator to D de extract reflux is used to separate methyl cyclopentane (A) and n-hexane (C) into a final otract and raffinate