Chapter 1
1. Name one separation process that requires energy input to the system.
Ans: Distillation
2. Name one separation process that requires a matter as input to the system.
Ans: Coagulation
3. Define separation factor.
Ans: (/ )
11
(/ )
22
xx
ij
xx
ij ij
i,j are two components and 1,2 are two streams.
4. What is the driving force of mass transfer?
Ans: Gradient of chemical potential.
5. For no separation, what is the value of separation factor?
Ans: 1
ij