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Sequencing Batch Reactor Design and Operational Considerations
TABLE OF CONTENTS

• FOREWORD . . . iv
• INTRODUCTION . . . 1
• CHAPTER 1: CHARACTERISTICS OF SEQUENCING BATCH REACTORS (SBRss)
• 1.1 Common SBR Characteristics . . . 3
• 1.1.1 General . . . 3
• 1.1.2 Basic Treatment Process . . . 4
• 1.1.3 Continuous-Flow Systems . . . 6
• CHAPTER 2: DESIGN GUIDELINES
• 2.1 Preliminary/Primary Treatment . . . 7
• 2.1.1 Screening Influent Wastewater . . . 7
• 2.1.2 Influent-Flow Equalization . . . 7
• 2.1.3 Piping for Alkalinity Addition . . . 8
• 2.1.3.1 Options for Adding Alkalinity. . . 9
• 2.2 Sequencing Batch Reactor . . . 9
• 2.2.1 Basin Design . . . 9
• 2.2.2 Flow-Paced Batch Operation . . . 10
• 2.2.3 Blower Design . . . 11
• 2.2.4 Decanting . . . 11
• 2.2.5 Bottom Slope . . . 12
• 2.3 Post Basin . . . 12
• 2.3.1 Post-Basin Effluent Equalization . . . 12
• CHAPTER 3: OPERATIONAL SUGGESTIONS
• 3.1 Parameters to Be Monitored by the SCADA System . . . 13
• 3.2 Cold-Climate Adjustments . . . 14
• 3.3 Sampling . . . 14
• 3.3.1 Proper Sampling Points . . . 14
• 3.3.2 Parameters to Monitor . . . 15
• 3.4 Solids Retention Time (SRT) . . . 15
• 3.5 Sludge Wasting . . . 15
• 3.6 Troubleshooting . . . 15
• CHAPTER 4: OTHER SUGGESTIONS
• 4.1 On-Site Manufacturer Training . . . 16
• 4.2 Wet/Cold-Weather Operating Plans . . . 16
• REFERENCES . . . 17
• APPENDIX A: PROCESS CONTROL TESTS AND CALCULATIONS. . . 18
• APPENDIX B: SEQUENCING BATCH REACTOR TROUBLESHOOTING CHART . . . 20
• FEEDBACK FORM . . . 24