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Two phased anaerobic digestion in waste treatment plants and renewable energy facilities

Increased efficiency for the production of biogas

Title: Two phased anaerobic digestion in waste treatment plants and renewable energy facilities

Scientific Essay , 2006 , 5 Pages

Autor:in: Dipl.Ing. Christian Tasser (Author)

Environmental Sciences
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Summary Excerpt Details

Prompted by potential benefits, such as improved digester performance, increased process reliability, higher digester gas volumes and gas quality, expanding wastewater treatment plants are evaluating the feasibility of implementing phased anaerobic digestion. Regional wastewater treatment plants in the USA and recently also in Europe have completed years of successful operation of two-phased anaerobic digestion facilities generating higher biogas yields and through cogeneration renewable electrical energy.

Excerpt


Inhaltsverzeichnis (Table of Contents)

  • Introduction
  • Two-phase anaerobic digestion
  • Biogas production, cleaning and energy conversion.
  • Conclusion
  • References:

Zielsetzung und Themenschwerpunkte (Objectives and Key Themes)

This study investigates the feasibility of implementing multiphase anaerobic digestion in wastewater treatment plants, specifically focusing on the two-phase process. The paper aims to assess the benefits and drawbacks of this approach, analyzing its impact on digester performance, gas yield, and overall energy efficiency.

  • Two-phase anaerobic digestion: advantages and disadvantages
  • Biogas production and cleaning
  • Energy conversion options, including fuel cells
  • Economic analysis and payback period for two-phase digestion systems
  • Environmental impact and sustainability of biogas production

Zusammenfassung der Kapitel (Chapter Summaries)

  • Introduction: This chapter introduces the concept of multiphase anaerobic digestion and highlights its potential benefits for wastewater treatment plants, particularly in terms of improved digester performance, increased reliability, and higher gas yields. The chapter mentions the successful implementation of two-phase digestion in regional wastewater treatment plants in the USA, providing real-world examples.
  • Two-phase anaerobic digestion: This chapter explains the principles of two-phase anaerobic digestion, emphasizing the separation of acetogenic and methanogenic bacteria into distinct reactors. The benefits and drawbacks of this approach are outlined, including increased digester capacity, improved gas quality, and higher volatile solids destruction, alongside concerns like ammonia release and the need for gas treatment.
  • Biogas production, cleaning and energy conversion: This chapter explores the methods for producing biogas, cleaning it from contaminants like H2S and siloxanes, and converting it into usable energy. It highlights the potential for using biogas in fuel cells, particularly in regions with strict air quality regulations, and presents a comparison of air emissions from fuel cells and conventional power plants.

Schlüsselwörter (Keywords)

The key focus areas of this study are two-phase anaerobic digestion, biogas production, gas cleaning, energy conversion, fuel cells, wastewater treatment plants, renewable energy facilities, economic analysis, payback period, and environmental sustainability.

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Details

Title
Two phased anaerobic digestion in waste treatment plants and renewable energy facilities
Subtitle
Increased efficiency for the production of biogas
Author
Dipl.Ing. Christian Tasser (Author)
Publication Year
2006
Pages
5
Catalog Number
V75014
ISBN (eBook)
9783638690690
Language
English
Tags
Increased
Product Safety
GRIN Publishing GmbH
Quote paper
Dipl.Ing. Christian Tasser (Author), 2006, Two phased anaerobic digestion in waste treatment plants and renewable energy facilities, Munich, GRIN Verlag, https://www.grin.com/document/75014
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