Phosphorus fractionation and removal in wastewater treatment : implications for minimizing effluent phosphorus /

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autores principales: Gu, April Z. (Autor), Liu, Lei (Autor), Onnis-Hayden, Annalisa (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Alexandria, VA : London, United Kingdom : Water Environment Research Foundation ; IWA Publishing, 2014.
Temas:
Sewage > Purification.
Eaux usées > Épuration.
Sewage > Purification
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover
  • Copyright
  • Acknowledgments
  • Abstract and Benefits
  • Table of Contents
  • List of Tables
  • List of Figures
  • List of Acronyms and Abbreviations
  • Executive Summary
  • Chapter 1.0: Introduction
  • 1.1 Background and Motivations
  • 1.2 Phosphorus Fractions and Speciation in Wastewater
  • 1.3 Current State of Knowledge
  • 1.3.1 The Composition and Fractionation of TP Vary in Effluents from Different Processes
  • 1.3.2 "Organic" Phosphorus in Highly Treated Effluents
  • 1.3.3 Treatability of Different P Fractions is Not Fully Understood
  • 1.3.4 Effect of Various Treatment Processes on Effluent TP Compositions
  • 1.3.5 Kinetics Matter for Chemical P Removal
  • 1.3.6 Micro-Scale Structural Characterization of P Species Provides Insights in the P Removal Mechanisms
  • 1.3.7 Current WRRF Model Does Not Consider Different P Fractions
  • 1.4 Purpose and Objectives
  • 1.5 Expected Outcomes
  • Chapter 2.0: Project Approach and Methods
  • 2.1 Overall Research Plan
  • 2.2 Selection of Phosphorus Treatment Technologies for the Study
  • 2.2.1 Facility Selection and Process Description
  • 2.2.2 Sample ID and Sampling Frequency
  • 2.3 Phosphorus Fractions Analysis
  • 2.3.1 Phosphorus Fractions Analysis with Standard Methods
  • 2.3.2 P Fractionation by Molecular Weight Cut-Off
  • 2.3.3 Sequential Extraction for Chemically Bound Phosphorus Determination
  • 2.4 QA/QC Procedures for P Analysis
  • 2.4.1 Field Sampling and Storage
  • 2.4.2 Potential Interferences in Phosphorus Fractions Analysis with Standard Methods
  • 2.4.3 Laboratory Analysis
  • 2.4.4 Comparison of P Fractions Analysis Results Among Different Laboratories
  • 2.5 Wastewater Effluents Characterization
  • 2.5.1 pH and Temperature
  • 2.5.2 Organic Matters in Wastewater Effluent (TOC, DOC)
  • 2.5.3 Effluent Characterization via Fluorescence Spectroscopy.
  • 2.6 Modeling Fate and Removal of Phosphorus Fractions Through WRRFs
  • 2.6.1 P Fractions in Raw Wastewater and Primary Effluent
  • 2.6.2 P Fractions in Activated Sludge
  • 2.6.3 P Removal Mechanisms in Unit Processes
  • 2.6.4 Procedure for Building Simulation Models for WRRFs Sampled
  • Chapter 3.0: Phosphorus Fractions and Removal in Secondary and Tertiary Wastewater Effluents
  • 3.1 P Fractions and Removal Across Secondary P Removal Processes
  • 3.1.1 Secondary BNR Processes
  • 3.1.2 MBR
  • 3.2 P Fractions and Removal Through Tertiary Treatment Processes
  • 3.2.1 Tertiary Sedimentation Process
  • 3.2.2 Tertiary Single-Stage Filtration Processes
  • 3.2.3 Multi-Stage Filtration Processes
  • 3.2.4 Combined Sedimentation and Filtration Processes
  • 3.3 Adsorption Processes
  • 3.3.1 Fractionation and Removal of Soluble P
  • 3.3.2 Fractionation and Removal of Particulate P
  • 3.3.3 Fractionation and Removal of Total P
  • 3.4 P Fractions Across Different Secondary and Advanced Processes
  • Chapter 4.0: Occurrence and Implication of Non-Reactive P Fractions in Advanced Phosphorus Removal
  • 4.1 Occurrence of DOP in Various Effluents
  • 4.1.1 Range and Level of Effluent DOP Among Different Secondary and Tertiary Processes
  • 4.1.2 DOP Removal Through Different Secondary and Tertiary Processes
  • 4.2 Occurrence of Soluble Non-Reactive P in Various Effluents
  • 4.2.1 Range and Level of Effluent sNRP Among Different Secondary and Tertiary Processes
  • 4.2.2 sNRP Removal Through Different Secondary and Tertiary Processes
  • Chapter 5.0: Wastewater Organic Matter Characterization and Correlation with Organic Phosphorus Fractions
  • 5.1 Effluent Characterization Using Fluorescence Spectrometry
  • 5.1.1 Variations of Organic Matter in Effluents
  • 5.1.2 Correlation Between Fluorescence-Identified Organic Matters with P Fractions.
  • 5.2 Phosphorus Species Characterization with MWCO Analysis
  • 5.3 Correlation of Effluent TOC and DOC Results with P Fractions
  • Chapter 6.0: Chemically Bound Phosphorus Fractions In Wastewater Effluents
  • 6.1 Level and Fate of Chemically Bound P Through Secondary Processes
  • 6.1.1 Secondary BNR Processes
  • 6.1.2 Secondary BNR-MBR
  • 6.2 Level and Fate of Chemically Bound P Through Tertiary Processes
  • 6.2.1 Single-Stage Sedimentation or Filtration Processes
  • 6.2.2 Multi-Stage Filtration or Sedimentation Followed by Filtration Processes
  • Chapter 7.0: Summary and Conclusions
  • 7.1 P Levels and Composition in Wastewater Effluents
  • 7.2 Implications of Non-Reactive P Fractions for Minimizing Effluent TP
  • 7.3 Removal of Different P Fractions
  • 7.4 Insights into Non-Reactive P Composition and Correlation with Wastewater Characteristics
  • 7.5 BioWinTM Simulations to Predict Effluent P Level and Fractions
  • 7.6 Final Statements of Implications for Regulations and Technology Development
  • Appendix A: Modeling Removal P Fractions Through Various Treatment Processes
  • References.

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