Evaluation of performance and greenhouse gas emissions for plants achieving low phosphorus effluents

Cover -- Copyright -- Acknowledgments -- Abstract and Benefits -- Table of Contents -- List of Tables -- List of Figures -- List of Acronyms and Abbreviations -- Executive Summary -- ES.1 Introduction -- ES.2 Methodology -- ES.3 Conclusions -- ES.4 Discussion -- ES.5 Research Needs -- Chapter 1.0: P...
Ausführliche Beschreibung

Cover -- Copyright -- Acknowledgments -- Abstract and Benefits -- Table of Contents -- List of Tables -- List of Figures -- List of Acronyms and Abbreviations -- Executive Summary -- ES.1 Introduction -- ES.2 Methodology -- ES.3 Conclusions -- ES.4 Discussion -- ES.5 Research Needs -- Chapter 1.0: Project Background -- 1.1 Introduction -- 1.2 Project Background -- 1.3 Objectives -- 1.4 Approach -- Chapter 2.0: Evaluation of Operational Practices at Plants Achieving Low Effluent Phosphorus Concentrations -- 2.1 Introduction -- 2.2 Participating Utilities -- 2.3 Phosphorus Removal Performance Statistics -- 2.4 Chemical Dosing -- 2.5 Influent Wastewater Characteristics -- 2.6 Tertiary Phosphorus Removal -- 2.7 Phosphorus Removal Operational Strategies -- 2.8 Impact of Phosphorus Recovery -- Chapter 3.0: Greenhouse Gas Emissions Associated with Phosphorus Removal -- 3.1 Introduction -- 3.2 Prior Work -- 3.3 Greenhouse Gas Emissions Metric -- 3.3.1 Energy Demand -- 3.3.2 Chemicals Demand -- 3.3.3 Biosolids Hauling -- 3.4 Materials and Methods -- 3.4.1 Treatment Descriptions and Limits -- 3.4.2 GHG Emission Calculations -- 3.4.3 System Inputs -- 3.4.4 Results -- 3.5 Discussion -- 3.5.1 Unit GHG Emissions Results -- 3.5.2 Reliability of Achieving Low P Limits -- 3.5.3 GHG Emissions Excluded or Not Captured -- 3.5.3.1 Construction GHG Emissions -- 3.5.3.2 Methane and Nitrous Oxide -- 3.5.3.3 Plant-Wide Aeration Impacts -- 3.5.3.4 Overall Benefits of P Recovery -- 3.5.3.5 Biosolids P Content -- 3.5.4 Use of GHG Emissions as a Sustainability Metric -- 3.6 Conclusions -- Chapter 4.0: Balancing Chemical and Biological Interactions When Achieving Low Effluent Phosphorus Concentrations -- 4.1 Introduction -- 4.2 Impact of Waste Chemical Solids on Phosphorus Removal Operation -- 4.3 Examination of Chemical Dosing Interruptions at Blue Plains AWTP. Ausführliche Beschreibung