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  • 199 b/w illus.
  • Page extent: 647 pages
  • Size: 247 x 174 mm
  • Weight: 1.42 kg


 (ISBN-13: 9780521871211)

This overview of diffusion and separation processes brings unsurpassed, engaging clarity to this complex topic. Diffusion is a key part of the undergraduate chemical engineering curriculum and at the core of understanding chemical purification and reaction engineering. This spontaneous mixing process is also central to our daily lives, with importance in phenomena as diverse as the dispersal of pollutants to digestion in the small intestine. For students, Diffusion goes from the basics of mass transfer and diffusion itself, with strong support through worked examples and a range of student questions. It also takes the reader right through to the cutting edge of our understanding, and the new examples in this third edition will appeal to professional scientists and engineers. Retaining the trademark enthusiastic style, the broad coverage now extends to biology and medicine.

• Engagingly written, describing complex concepts clearly and lucidly in a style that students enjoy • New sections on biology and medicine for a modern course on separation processes and mass transfer • Problems included for homework and exams. Password-protected solutions can be found at


Preface; 1. Models for diffusion; Part I. Fundamentals of Diffusion: 2. Diffusion in dilute solutions; 3. Diffusion in concentrated solutions; 4. Dispersion; Part II. Diffusion Coefficients: 5. Values of diffusion coefficients; 6. Diffusion of interacting species; 7. Multicomponent diffusion; Part III. Mass Transfer: 8. Fundamentals of mass transfer; 9. Theories of mass transfer; 10. Absorption; 11. Absorption in biology and medicine; 12. Differential distillation; 13. Staged distillation; 14. Extraction; 15. Absorption; Part IV. Diffusion Coupled with other Processes: 16. General questions and heterogeneous chemical reactions; 17. Homogeneous chemical reactions; 18. Membranes; 19. Controlled release and related phenomena; 20. Heat transfer; 21. Simultaneous heat and mass transfer; Problems; Subject index; Materials index.

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