Unit Processes in Drinking Water Treatment

WILLY J. MASSCHELEIN, currently an independent Process Consultant in Brussels, Belgium, was previously Director of Laboratories and Technical Services at the Brussels lntercommunal Water Board. The editor of three books and the author of more than 100 professional papers on water treatment, he is also immediate Past-President of the International Ozone Association and President of the Belgian Committee of the International Association of Water Pollution Control and Research, and a member of all other major international organizations concerned with drinking water, including the American Water works Association. Dr. Masschelein received the M.A. degree (1958) in chemistry and the Ph.D. degree (1961) in natural sciences from the Free University of Brussels, Belgium.

• Preface -- 1. Design Criteria in Water Treatment Processes -- 2. Use of Chlorine Dioxide -- 3. Oxidation with Ozone -- 4. Ultraviolet Disinfection of Water -- 5. Coagulation -- 6. Use of Polymerized Aluminum Flocculants -- 7. Flocculation -- 8. Activated Silica as a Flocculation Aid -- 9. Combined Coagulation-Flocculation-Clarifying Processes -- 10. Lamellar and Tubular Assisted Settling Processes -- 11. Testing Methods for Operational Control of Unit Processes -- 12. Adsorption -- 13. Principles of Microbial Growth and Decay -- 14. Filtration Powders and Diatomaceous Earths -- 15. Softening and Mineralization -- 16. Treatment Processes of Aluminum-Based Sludge -- 17. Mixing Practice in Water Treatment -- 18. Sand for Filtration in Water Quality Control: Criteria and Mode of Action -- 19. Reagents for Water Treatment -- Index.