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Biocycle anaerobic digester: performance and benefits

Biocycle anaerobic digester: performance and benefits
Biocycle anaerobic digester: performance and benefits
The Biocycle digester in South Shropshire, UK was monitored over a period of 14 months. During this time, the type, source and quantity of input biowastes were analysed and their physical and chemical properties were determined, including quantification of heavy metals content. The source-segregated waste was found to be a rich source of energy and was readily biodegradable, producing a biogas with ~60% methane. The process had a very favourable energy balance with around 400 kWh of energy recoverable from each tonne of waste processed. Although the available heat energy was not utilised, over 620 MWh of the electricity produced was exported to the grid during the study period. An energy balance for the process included the transport and application of the digestate to farmland. 3936 t wet weight of wastes were processed during the study period and over 90% of this mass could be accounted for in the gaseous and digestion products. The environmental benefits and risks of the process are considered in terms of the carbon savings and losses that may result through adoption of this technology.
1747-6526
141-150
Banks, Charles
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
Lewis, Lucy
918f5470-d2bb-4b93-a58c-2406e115f3e9
Banks, Charles
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
Lewis, Lucy
918f5470-d2bb-4b93-a58c-2406e115f3e9

Banks, Charles, Chesshire, Michael, Heaven, Sonia, Arnold, Rebecca and Lewis, Lucy (2011) Biocycle anaerobic digester: performance and benefits. Proceedings of the Institution of Civil Engineers - Waste and Resource Management, 164 (3), 141-150. (doi:10.1680/warm.2011.164.3.141).

Record type: Article

Abstract

The Biocycle digester in South Shropshire, UK was monitored over a period of 14 months. During this time, the type, source and quantity of input biowastes were analysed and their physical and chemical properties were determined, including quantification of heavy metals content. The source-segregated waste was found to be a rich source of energy and was readily biodegradable, producing a biogas with ~60% methane. The process had a very favourable energy balance with around 400 kWh of energy recoverable from each tonne of waste processed. Although the available heat energy was not utilised, over 620 MWh of the electricity produced was exported to the grid during the study period. An energy balance for the process included the transport and application of the digestate to farmland. 3936 t wet weight of wastes were processed during the study period and over 90% of this mass could be accounted for in the gaseous and digestion products. The environmental benefits and risks of the process are considered in terms of the carbon savings and losses that may result through adoption of this technology.

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More information

Published date: 1 August 2011
Organisations: Centre for Environmental Science

Identifiers

Local EPrints ID: 300470
URI: https://eprints.soton.ac.uk/id/eprint/300470
ISSN: 1747-6526
PURE UUID: aedbcdf0-721e-45f9-b3f3-8577a2b162b8

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Date deposited: 22 Feb 2012 12:18
Last modified: 16 Jul 2019 22:11

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Contributors

Author: Charles Banks
Author: Michael Chesshire
Author: Sonia Heaven
Author: Rebecca Arnold
Author: Lucy Lewis

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