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Título: | Sanitary effectiveness and biogas yield by anaerobic co-digestion of swine carcasses and manure |
Palavras-chave: | Methane Sanitary security Bacteriophages Enterobacteria Anaerobic digestion |
Data do documento: | 2018 |
Editor: | Taylor and Francis Online |
Citação: | TÁPPARO, D. C. et al. Sanitary effectiveness and biogas yield by anaerobic co-digestion of swine carcasses and manure. Journal Environmental Technology, [S.l.], 2018. |
Resumo: | The present study evaluated anaerobic co-digestion of swine manure and swine carcasses for biogas yield and inactivation/behaviour of pathogens purpose. Biochemical Methane Production tests were performed with samples containing ratios of 3, 7.5 and 15 kgcarcass m−3 manure. For pathogens inactivation experiments known amounts of model microrganisms (sensitive and resistant) were artificially inoculated in anaerobic reactors at 24°C and 37°C. The addition of carcass resulted in an increase until 119% of biogas yield compared to swine manure mono-digestion. Salmonella enterica, Escherichia coli and PCV2 were reduced >3log10 (24°C or 37°C) during 30 days. At 37°C, MS2 and PhiX-174 were reduced 3log10 and 1.8log10, respectively. At 24°C, MS2 reduced 1.5 log10 and PhiX-174 did not present any decay over 30 days. Considering the most resistant biomarkers pathogens, as bacteriophage, we recommend the swine carcasses pre-treatment, such as high temperatures, for sanitary security. |
URI: | https://www.tandfonline.com/doi/full/10.1080/09593330.2018.1508256 http://repositorio.ufla.br/jspui/handle/1/34455 |
Aparece nas coleções: | DEG - Artigos publicados em periódicos |
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