Dionisi Biological Wastewater Treatment Processes

Mass and Heat Balances
1. Auflage 2017
ISBN: 978-1-4822-2927-1
Verlag: Taylor & Francis
Format: PDF
Kopierschutz: Adobe DRM (»Systemvoraussetzungen)

E-Book, Englisch, 485 Seiten

The focus of the book is on how to use mass and heat balances to simulate and design biological wastewater treatment processes. All the main processes for biological wastewater treatment are covered viz. activated sludge processes for carbon and nitrogen removal, anaerobic digestion, sequencing batch reactors, and attached growth processes.

Autoren/Hrsg.

Dionisi, Davide

Fachgebiete

• Technische Wissenschaften Umwelttechnik | Umwelttechnologie Wasserversorgung, Wasseraufbereitung
• Technische Wissenschaften Verfahrenstechnik | Chemieingenieurwesen | Biotechnologie Verfahrenstechnik, Chemieingenieurwesen

Inhaltsverzeichnis

1.Biological wastewater treatment processes. Polluting parameters in wastewaters. COD and BOD. The role of biological processes in wastewater treatment. Microorganisms’ growth on substrates. Other phenomena occurring in biological wastewater treatment processes. Anaerobic digestion model. Process schemes for biological wastewater treatment. General assumptions made in this book. Key points. Questions and problems. List of Figures. 2. Modelling processes in biological wastewater treatment. Microbial growth. Mass transfer. Power and efficiency for aerators. pH calculation. Settling. Heat generation and heat transfer.Removal of xenobiotics in biological processes. Key points. Questions and problems. List of Figures. 3. Mass balances, energy balances and parameter estimation. Mass balances. Enthalpy balances. Parameter estimation. Key points. Questions and problems. List of Figures. 4. The activated sludge process. The activated sludge process for carbon removal. The activated sludge process for carbon and nitrogen removal. The activated sludge process for filamentous bulking control. Removal of xenobiotics in the activated sludge process. Further examples on the activated sludge process. Key points. Questions and problems. List of Figures. 5. The anaerobic digestion process. The anaerobic digester as a CSTR without recycle. Extension to complex substrates. Anaerobic digestion with biomass recycle. Temperature calculation in anaerobic digestion. Key points. Questions and problems. List of Figures. 6. The Sequencing Batch Reactor. The Sequencing Batch Reactor for carbon removal. SBR for carbon and nitrogen removal. Anaerobic SBR. Further examples on the SBR process. Key points. List of Figures. 7. Attached growth processes. Packed bed processes. Rotating Biological Reactors (RBR’s). Further examples on attached growth processes. Key points. List of Figures. 8. Appendixes. Measurement of the mass transfer coefficient for oxygen in water. Solution of differential equations and parameter optimisation in Excel. Solution of systems of equations in Excel. Physical properties used in this text. Problems and questions solutions. List of Figures

Über Autor(innen)

Davide Dionisi, CEng MIChemE is a Lecturer in Chemical Engineering at University of Aberdeen, where he teaches courses in the areas of biochemical engineering, biological wastewater treatment and energy from biomass at undergraduate and postgraduate level. Dr Dionisi has over 15 years of experience in biological wastewater treatment and process engineering. He is the author of over 30 papers in international peer reviewed journals, over 50 contributions to conferences and 2 patents. Dr Dionisi’s papers have received over 1,400 citations and his h-index is 20. Dr Dionisi has been Principal Investigator in many projects on wastewater treatment and waste valorization. Additionally, Dr Dionisi is a Chartered Member of the IChemE and of the Engineering Council and is member of the Italian Association of Chemical Engineering (AIDIC).