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Provedor de dados:  Repositório Alice
País:  Brazil
Título:  Assessment of hydrogen sulfide removal from biogas using a field scale anoxic biotrickling filter.
Autores:  PIROLLI, M.
SILVA, M. L. B. da
MEZZARI, M. P.
MICHELON, W.
PRANDINI, J. M.
SOARES, H. M.
Data:  2016-05-23
Ano:  2015
Palavras-chave:  Biogas
Biotrickling filter
Hydrogen sulfide
Desulfurization
Resumo:  Hydrogen sulphide is one of the most toxic and corrosive compound present in swine-derived biogas streams.In this study, afield scale biotrickling filter for the removal of hydrogen sulfide was investigated.A Biofilter packed with supporting biofilm materials was fed continuously with a proprietary nutrient solution and operatedfor over 73days. The system has been operating with a H2S inlet concentrations ranging from 1,000to 3,000 ppm.Significant removal efficiencies >95% was demonstrated. pH of the stock feeding solution decreased from 6.2 to as low as 3.5within couple days.The resulting drop in pH provided circumstantial evidence to support biological H2 Soxidation to sulphuric acid by sulfide-oxidizers. Sulfur precipitation was also observed to occur. The results suggested that H2S removal from biogas stream can be efficiently achieved using portable, low cost and maintenance free biotrickling filters.

2015
Tipo:  Artigo em anais de congresso (ALICE)
Idioma:  Inglês
Identificador:  20623

http://www.alice.cnptia.embrapa.br/handle/doc/1045503

http://ainfo.cnptia.embrapa.br/digital/bitstream/item/143245/1/final7859.pdf
Editor:  In: LATIN AMERICAN CONGRESS, 4., 2015, Florianópolis. Anais... Florianópolis: UFSC, 2015. Disponível on line. SOLABIAA.
Relação:  Embrapa Suínos e Aves - Artigo em anais de congresso (ALICE)
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