Consider the multi-unit process shown below. Dashed lines are shown around diffe
ID: 984490 • Letter: C
Question
Consider the multi-unit process shown below. Dashed lines are shown around different subsystems around which you can perform balances.
Consider the multi-unit process shown below. Dashed lines are shown around different subsystems around which you can perform balances. mol C/min Distillation mol/min Y Separator ny mol/min n2 mol/min Column mol Amol x4 mol AVmol mol Amo X2 197 mol/min 0.65 mol A/mol (1-x) mol B/mol (1- 2) mol B/mol y4 mol B/mol 0.11 mol B/mol (1-xu-y) mol C/mol 0.24 mol C/mol 161 mol/min 193 mol B/min 0.55 mol A/mol y 0.45 mol C/mol What is the maximum number of independent balances that may be written around each subsystem? Number Number Distillation Column Separator: (Scroll down for more questions.)Explanation / Answer
There are two unknowns ( third unknown can be easilly be calculated from , mass fraction, A =x1 and mass fraction, B=1-x1. So two independent equations can be written. one is overall mass balance and the second one is component (A) balance
Three independent equations can be written, they are overall, component A and component B.
There are four unknowns n2,x2 and n3,(1-x4-y4). Four independent equations can be written.
There are four unkowns and four equations which are independent equations can be written.
Order 4 alow the student to solve the problem.