Page 402 - Analysis, Synthesis and Design of Chemical Processes, Third Edition

Prentice-Hall, 2007), ch. 14.

19. Felder, R. M., and R. W. Rousseau, Elementary Principles of Chemical Processes, 3rd
ed. (New York: Wiley, 2000), ch. 6.

General Reference

Stichlmair, J. G., and J. R. Fair, Distillation: Principles and Practice (New York: Wiley-VCH, 1998).

Problems

Choose one of the cases from Appendix B. Identify

1. a. All required physical property data

b. Sources for all data needed but not provided

Search the patent literature for kinetics information for one of the processes in Appendix B. Convert
2.
the provided data to a form suitable for use on a process simulator.

3. Develop five heuristics for reactor design.

For design of an exothermic reactor with cooling, one needs to choose an approach temperature (the
nominal temperature difference between the reaction zone and the cooling medium). One engineer
claims that the temperature difference across the tube walls should be as small as possible. Another
claims that a large temperature is better for heat transfer.

a. Describe the advantages and disadvantages of these two choices from the point of view of capital
4. costs.

b. Describe the advantages and disadvantages of these two choices from the point of view of
operating costs.

c. Describe the advantages and disadvantages of these two choices from the point of view of
operability of the process.

Are there any safety considerations in the choice of heat transfer driving force (ΔT) in Problem 4?
5.
Explain.

From the flowsheets in Appendices B and C, identify four examples of each of the following types of
recycles described in this chapter:

6.
a. Recycles that reduce feed costs