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TitleAnaerobic co-digestion of cork based oil sorbent and cow manure or sludge
Author(s)Cavaleiro, A. J.
Neves, T. M.
Guedes, Ana P.
Alves, M. M.
Pinto, P.
Silva, S. P.
Sousa, D. Z.
Issue dateSep-2015
PublisherTaylor and Francis
CitationCavaleiro, A. J.; Neves, T.; Guedes, Ana P.; Alves, M. M.; Pinto, P.; Silva, S. P.; Sousa, D. Z., Anaerobic co-digestion of cork based oil sorbent and cow manure or sludge. In Vilarinho, C., Castro, F., Russo, M. (eds.), Wastes: Solutions, Treatments and Opportunities, London: Taylor & Francis Group, 2015. ISBN: 978-1-138-02882-1, 43-48
Abstract(s)Cork, a material with great economic, social and environmental importance in Portugal, is also a good oil sorbent that can be used in the remediation of oil spills. The oil-impregnated cork can be easily removed, but requires further treatment. In the case of vegetable oil spills, anaerobic digestion may be a potential solution. This study aims to evaluate the effect of adding cork contaminated with sunflower oil as co-substrate in anaerobic digestion processes. Biodegradability assays were prepared with cow manure or sludge from a wastewater treatment plant, in the presence of five concentrations of oil-contaminated cork, between 200 and 1000 mg· L-1 as COD. Maximum cumulative methane production increased with the amount of oily cork up to 41 % and 101 % in the assays with manure and sludge, respectively. Sporadic addition of cork contaminated with vegetable oil during anaerobic digestion of manure or sludge increases significantly the methane production of these processes.
TypeConference paper
Publisher version
AccessOpen access
Appears in Collections:CEB - Livros e Capítulos de Livros / Books and Book Chapters

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