Page 345 - Analysis, Synthesis and Design of Chemical Processes, Third Edition
P. 345
equipment do you recommend be purchased?
b. Above what internal hurdle rate would you recommend project A?
Your company is considering modifying an existing distillation column. A new reboiler and
condenser will be required, along with several other peripherals. The equipment lists are as follows.
17.
The internal hurdle rate for comparison of investments is set at 12% p.a. Which option do you
recommend?
Because of corrosion, the feed pump to a batch reactor must be replaced every three years. What is
the capitalized cost of the pump?
18. Data:
Purchased cost of pump = $35,000
Installation cost = 75% of purchased cost
Internal hurdle rate = 10% p.a.
Three alternative pieces of equipment are being considered for solids separation from a liquid slurry.
19.
If the internal hurdle rate for this project is 11% p.a., which alternative do you recommend?
