Introductory technical guidance for civil engineers, environmental engineers and wastewater treatment plant operators interested in operation of wastewater treatment plants. Here is what is discussed:1. INTRODUCTION2. MAINTENANCE3. WASTEWATER INFLUENT CHARACTERISTICS4. PRELIMINARY TREATMENT METHODS5. PRIMARY TREATMENT6 BIOLOGICAL TREATMENT7 ACTIVATED SLUDGE8. AEROBIC AND ANAEROBIC ZONE TREATMENT9. NATURAL BIOLOGICAL SYSTEMS10. DISINFECTION11. SOLIDS MANAGEMENT.
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