Abstract
This study was carried out to assess the energy recovery potential from organic industrial by-products of a cattle slaughtering facility. There are several processes to convert organic material to energy; the technology of interest in this study was anaerobic digestion, the biological conversion of degradable organic material into methane. The scenario was initially confined to a full scale cattle slaughtering facility processing 3.28% of heads slaughtered in Ireland. The methane potential of dissolved air flotation sludge, paunch, soft offal as well as a mixed waste stream (combination of individual waste streams) was determined through a series of biochemical methane potential assays under mesophilic conditions. The methane potential of the characterised waste streams ranged from 49.5 to 650.9 mLCH4 gVS−1. The potential energy recovery from the mixed waste stream resulted in the prospective subsidy of 100% of the energy demands of the slaughtering facility as well as the energy demands for the production of the biogas. When investigating the impact of energy recovery from the entire sector the potential energy recovery equated to 1.63% of the final energy demands of the Irish industrial sector. This could potentially increase the RES in Ireland from 7.8% to 8.13% contributing to both RES-E and RES-H.
Disciplines
Civil and Environmental Engineering
DOI
10.1016/j.renene.2016.05.068
Publisher
Elsevier
Funder Name 1
Irish Research Council
Resource Type
journal article
License Condition
This work is licensed under a Creative Commons Attribution 4.0 International License.
Recommended Citation
Ware A., Power N., 'Biogas from cattle slaughterhouse waste: Energy recovery towards an energy self-sufficient industry in Ireland', Renewable Energy, 97 (2016) pp.541-549.
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Publication Details
Renewable Energy