After his career in industry he joined the Chemical Engineering Department, University of Wales Swansea in 1970, specialising in teaching process and plant design, and other engineering practice subjects.

The first edition of Chemical Engineering Design (Coulson and Richardson's Vol 6) was published in 1983. Subsequent editions have been published at approximately 5 year intervals.

Ray Sinnott retired from full time teaching in 1995 but has maintained close contact with the engineering profession.

1. Introduction to design 2. Fundamentals of material balances 3. Fundamentals of energy balances (and energy utilisation) 4. Flow-sheeting 5. Piping and instrumentation 6. Costing and project evaluation 7. Materials of construction 8. Design information and data 9. Safety and loss prevention 10. Equipment selection, specification and design 11. Separation columns (distillation, absorption and extraction) 12. Heat-transfer equipment 13. Mechanical design of process equipment 14. General site considerations