Abstract
The aim of this chapter is to explain, in a simplified manner, the complex microbiological process of anaerobic digestion and detail the relationship between feedstock, anaerobic digester and methane production. The chapter first reviews basic microbiology and explores the interplay between the different groups of bacteria, the conditions under which they prosper and potential sources of inhibition. Then, the chapter deals with engineering aspects - categorisation of feedstocks, methane production per unit of feedstock, reactor configurations, mass and energy balance of digestion systems, up-scaling laboratory systems to commercial reality and modelling. In the analysis, an emphasis is placed on high solid content feedstocks. Two different feedstocks are highlighted - the organic fraction of municipal solid waste and grass silage.
| Original language | English |
|---|---|
| Title of host publication | The Biogas Handbook |
| Subtitle of host publication | Science, Production and Applications |
| Publisher | Elsevier Inc. |
| Pages | 104-130 |
| Number of pages | 27 |
| ISBN (Electronic) | 9780857097415 |
| ISBN (Print) | 9780857094988 |
| DOIs | |
| Publication status | Published - 19 Feb 2013 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy -
SDG 11 Sustainable Cities and Communities -
SDG 12 Responsible Consumption and Production
Keywords
- Anaerobic bacteria
- Digester configuration
- Methane
- Methanogens
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