CHEMICAL HEAT PUMP SAND TEAM John Usher Yong Su Kim

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

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

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

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

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

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

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

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

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