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Optimización de los procesos de co-digestión anaerobia de purín de cerdo a partir de subproductos agrícolas como co-sustratos y heces de vacuno como co-inóculo

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Issue date
2011
Author
Morazán Nuñez, Henris Jobany
Seradj, Ahmad Reza
Hermida, B.
Álvarez Rodríguez, Javier
Babot Gaspa, Daniel
Balcells Terés, Joaquim
Suggested citation
Morazán Nuñez, Henris Jobany; Seradj, Ahmad Reza; Hermida, B.; Álvarez Rodríguez, Javier; Babot Gaspa, Daniel; Balcells Terés, Joaquim; . (2011) . Optimización de los procesos de co-digestión anaerobia de purín de cerdo a partir de subproductos agrícolas como co-sustratos y heces de vacuno como co-inóculo. 41 Jornadas de Estudio : XIV Jornadas sobre Producción Animal : 17 y 18 de mayo de 2011, Zaragoza, tomo I, p. 46-48. Asociación Interprofesional para el Desarrollo Agrario. http://hdl.handle.net/10459.1/70438.
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Abstract
Anaerobic fermentation of the slurry allows for, i) Taking advantage of waste energy and ii) Reduce the emission of harmful (NH3) and greenhouse gases (e.g. CH4 and N2O). Generation of pig slurry, in those areas with a high concentration of pig farms (e.g. Catalonia and Aragon), became an environmental problem but also constitute abundant resource for energy-recycling. The slurry potential as a substrate for anaerobic fermentation is low, however this performance can be improved by synergic combination with other substrate as agro-industrial by-products. The objective of the present assay was to study the in vitro potential of some local by-products (i.e. wheat straw, apple pulp and sugar beet pulp) as a co-substrate and ruminant faeces as co-inoculum to optimize CH4 under anaerobic fermentation. The use of referred co-substrates improved significantly biogas and CH4 production although a negative relationship between methane production and slurry dilution was detected (4 and 6% vs. 2% slurry DM, P <0.05).
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http://hdl.handle.net/10459.1/70438
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41 Jornadas de Estudio : XIV Jornadas sobre Producción Animal : 17 y 18 de mayo de 2011, Zaragoza, tomo I, p. 46-48
European research projects
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  • Comunicacions a congressos (Ciència Animal) [35]
  • Publicacions de projectes de recerca del Plan Nacional [2954]

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