Anaerobic digestion of source segregated domestic food waste: performance assessment by mass and energy balance
Anaerobic digestion of source segregated domestic food waste: performance assessment by mass and energy balance
An anaerobic digester receiving food waste collected mainly from domestic kitchens was monitored over a period of 426 days. During this time information was gathered on the waste input material, the biogas production, and the digestate characteristics. A mass balance accounted for over 90% of the material entering the plant leaving as gaseous or digestate products. A comprehensive energy balance for the same period showed that for each tonne of input material the potential recoverable energy was 405 kWh. Biogas production in the digester was stable at 642 m3 tonne?1 VS added with a methane content of around 62%. The nitrogen in the food waste input was on average 8.9 kg tonne?1. This led to a high ammonia concentration in the digester which may have been responsible for the accumulation of volatile fatty acids that was also observed.
anaerobic digestion, food waste, energy, biogas, mass balance
612-620
Banks, Charles J.
5c6c8c4b-5b25-4e37-9058-50fa8d2e926f
Chesshire, Michael
b2918637-7c74-483a-b696-62100fd450d0
Heaven, Sonia
f25f74b6-97bd-4a18-b33b-a63084718571
Arnold, Rebecca
cb86809c-bc25-48c5-9b60-f9fa895bca1b
January 2011
Banks, Charles J.
5c6c8c4b-5b25-4e37-9058-50fa8d2e926f
Chesshire, Michael
b2918637-7c74-483a-b696-62100fd450d0
Heaven, Sonia
f25f74b6-97bd-4a18-b33b-a63084718571
Arnold, Rebecca
cb86809c-bc25-48c5-9b60-f9fa895bca1b
Banks, Charles J., Chesshire, Michael, Heaven, Sonia and Arnold, Rebecca
(2011)
Anaerobic digestion of source segregated domestic food waste: performance assessment by mass and energy balance.
Bioresource Technology, 102 (2), .
(doi:10.1016/j.biortech.2010.08.005).
Abstract
An anaerobic digester receiving food waste collected mainly from domestic kitchens was monitored over a period of 426 days. During this time information was gathered on the waste input material, the biogas production, and the digestate characteristics. A mass balance accounted for over 90% of the material entering the plant leaving as gaseous or digestate products. A comprehensive energy balance for the same period showed that for each tonne of input material the potential recoverable energy was 405 kWh. Biogas production in the digester was stable at 642 m3 tonne?1 VS added with a methane content of around 62%. The nitrogen in the food waste input was on average 8.9 kg tonne?1. This led to a high ammonia concentration in the digester which may have been responsible for the accumulation of volatile fatty acids that was also observed.
Text
Banks_et_al_Biocycle_digester_-_scholar_text.pdf
- Accepted Manuscript
More information
e-pub ahead of print date: 6 August 2010
Published date: January 2011
Keywords:
anaerobic digestion, food waste, energy, biogas, mass balance
Organisations:
Civil Engineering & the Environment
Identifiers
Local EPrints ID: 184679
URI: http://eprints.soton.ac.uk/id/eprint/184679
ISSN: 0960-8524
PURE UUID: 72af361c-d127-447c-9cb4-7f8a98730db4
Catalogue record
Date deposited: 06 May 2011 10:52
Last modified: 15 Mar 2024 02:52
Export record
Altmetrics
Contributors
Author:
Michael Chesshire
Author:
Rebecca Arnold
Download statistics
Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.
View more statistics
