1. CHEMICAL HEAT PUMP SAND TEAM
John Usher
Yong Su Kim

2. Outline Problem Statement System Diagram Flash Tank Details
Distillation Column Details
Estimated Equipment Costs
Suggestions for Future work
Questions?

3. Problem Statement
Design a 750 Ton Chemical Heat Pump utilizing a 2-Propanol, H2, and Acetone as a refrigerant.

4. System Diagram Acetone Rich Mixed 2-Propanol, H2, Acetone
Hydrogen Rich
Mixed Acetone, 2-Propanol
2-Propanol Rich C1 C2 P3
Exo
Endo
air
air P1

5. Applying Method of Sounders & Brown Minimum Height is 36” Minimum Diameter is 10”
Hydrogen
Mixed Feed of
2-Propanol, Hydrogen,
Acetone
Flash
Tank
Acetone,
2-Propanol

6. Distillation Detail McCabe - Thiele Method
Overhead Product 95 mole percent Acetone.
Bottom product of 5 mole percent Acetone.
Theoretical Stages.

7. By McCabe Method Number of stages required is 19 plus Re-Boiler & Condenser

8. Unit Specifications 2 Flash Tanks SS steel : 25 gal $ 9000
1 Sieve tray towers : 32 ft tall, 2.5ft Dia.
$ 380,000
2 Reactors plus Catalyst( 825 Ton)
$190,000

9. Total Cost Comparison for C.H.P. Equipment Vs. Hermetic Water Chiller
Cost for a 750 Ton C.H.P. System less piping,Cooling Tower and
Boiler.
Includes 10% over design.
$660,000 Cost of 750 Ton C.H.P.
$280,000 Cost of Hermetic Water Chiller
$380,000

10. Suggestions for Future work
Study Operating Cost of C.H.P.
Vs. Hermetic Chiller