Primary Treatment at Wastewater Treatment Plants (Hardcover)

USER'S GUIDE. PROCESS OVERVIEW. PRIMARY DESCRIPTION. PRIMARY TREATMENT CONCEPTS. Surface Loading Rate or Surface Overflow Rate. Weir Overflow Rate. Detention Time. Solids Loading Rate. Removal Efficiency. PROCESS DESCRIPTION. FACTORS INFLUENCING PERFORMANCE. Detention Time. Temperature. Wastewater Characteristics. Influent Flow Rates. Unit Characteristics. PROCESS CONTROL STRATEGIES. Flow Control. Sludge Collection. Skimmings/Scum Collection. Sludge Removal. Process Control Tests. General Guidelines. TYPES OF PRIMARY SETTLING TANKS. TYPICAL DESIGN SPECIFICATIONS. Construction. Detention Time. Surface Loading Rates. Weir Overflow Rates. Common Design Problems. EFFICIENCY INTERACTIONS. Upstream Processes. Downstream Processes. COMPONENT DESCRIPTION. RECTANGULAR TANKS. CIRCULAR TANKS. SLUDGE/SCUM PUMPS. START-UP AND SHUTDOWN PROCEDURES. Primary Unit Start-up. Primary Unit Shutdown. ROUTINE OPERATOR DUTIES. OPERATION. SAMPLING REQUIREMENTS. MAINTENANCE. General Maintenance. Preventive Maintenance. Emergency Maintenance. Spare Parts Inventory. RECORDKEEPING. TROUBLESHOOTING. GENERAL TROUBLESHOOTING PROCEDURE. MECHANICAL TROUBLESHOOTING. PROCESS TROUBLESHOOTING. EMERGENCY RESPONSE PROCEDURES. POWER FAILURE. WINTER OPERATION. HIGH FLOWS. GENERAL SAFETY RULES. EQUIPMENT SAFETY. PERSONAL SAFETY. HOUSEKEEPING AND ODOR CONTROL. HOUSEKEEPING. ODOR CONTROL.