A Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S Simultaneously

Detalhes bibliográficos
Autor(a) principal: Chinalia, F. A.
Data de Publicação: 2012
Outros Autores: Garbossa, L. H. P., Rodriguez, J. A., Lapa, K. R., Foresti, E.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://repositorio.ufba.br/ri/handle/ri/15250
Resumo: Texto completo: acesso restrito. p. 1643-1654
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spelling Chinalia, F. A.Garbossa, L. H. P.Rodriguez, J. A.Lapa, K. R.Foresti, E.Chinalia, F. A.Garbossa, L. H. P.Rodriguez, J. A.Lapa, K. R.Foresti, E.2014-07-21T16:53:37Z20120273-2289http://repositorio.ufba.br/ri/handle/ri/15250v. 168, n. 6Texto completo: acesso restrito. p. 1643-1654A two-stage bioreactor was operated for a period of 140 days in order to develop a post-treatment process based on anaerobic bioxidation of sulfite. This process was designed for simultaneously treating the effluent and biogas of a full-scale UASB reactor, containing significant concentrations of NH4 and H2S, respectively. The system comprised of two horizontal-flow bed-packed reactors operated with different oxygen concentrations. Ammonium present in the effluent was transformed into nitrates in the first aerobic stage. The second anaerobic stage combined the treatment of nitrates in the liquor with the hydrogen sulfide present in the UASB-reactor biogas. Nitrates were consumed with a significant production of sulfate, resulting in a nitrate removal rate of 0.43 kg N m3 day−1 and ≥92 % efficiency. Such a removal rate is comparable to those achieved by heterotrophic denitrifying systems. Polymeric forms of sulfur were not detected (elementary sulfur); sulfate was the main product of the sulfide-based denitrifying process. S-sulfate was produced at a rate of about 0.35 kg m3 day−1. Sulfur inputs as S–H2S were estimated at about 0.75 kg m3 day−1 and Chemical Oxygen Demand (COD) removal rates did not vary significantly during the process. DGGE profiling and 16S rRNA identified Halothiobacillus-like species as the key microorganism supporting this process; such a strain has not yet been previously associated with such bioengineered systems.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2014-05-13T16:36:12Z No. of bitstreams: 1 F. A. 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Chinalia.pdf: 362071 bytes, checksum: 60f3bfcce711eacf180dd45d9a7fdbba (MD5) Previous issue date: 2012http://dx.doi.org/ 10.1007/s12010-012-9885-3reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBABiogas treatmentSulfide anaerobic oxidationDenitrificationLithotrophic denitrificationA Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S SimultaneouslyApplied Biochemistry and Biotechnologyinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01info:eu-repo/semantics/openAccessengLICENSElicense.txtlicense.txttext/plain1345https://repositorio.ufba.br/bitstream/ri/15250/2/license.txt0d4b811ef71182510d2015daa7c8a900MD52ORIGINALF. A. Chinalia.pdfF. A. Chinalia.pdfapplication/pdf362071https://repositorio.ufba.br/bitstream/ri/15250/1/F.%20A.%20Chinalia.pdf60f3bfcce711eacf180dd45d9a7fdbbaMD51TEXTF. A. Chinalia.pdf.txtF. A. 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dc.title.pt_BR.fl_str_mv A Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S Simultaneously
dc.title.alternative.pt_BR.fl_str_mv Applied Biochemistry and Biotechnology
title A Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S Simultaneously
spellingShingle A Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S Simultaneously
Chinalia, F. A.
Biogas treatment
Sulfide anaerobic oxidation
Denitrification
Lithotrophic denitrification
title_short A Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S Simultaneously
title_full A Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S Simultaneously
title_fullStr A Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S Simultaneously
title_full_unstemmed A Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S Simultaneously
title_sort A Two-Stage Aerobic/Anaerobic Denitrifying Horizontal Bioreactor Designed for Treating Ammonium and H2S Simultaneously
author Chinalia, F. A.
author_facet Chinalia, F. A.
Garbossa, L. H. P.
Rodriguez, J. A.
Lapa, K. R.
Foresti, E.
author_role author
author2 Garbossa, L. H. P.
Rodriguez, J. A.
Lapa, K. R.
Foresti, E.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Chinalia, F. A.
Garbossa, L. H. P.
Rodriguez, J. A.
Lapa, K. R.
Foresti, E.
Chinalia, F. A.
Garbossa, L. H. P.
Rodriguez, J. A.
Lapa, K. R.
Foresti, E.
dc.subject.por.fl_str_mv Biogas treatment
Sulfide anaerobic oxidation
Denitrification
Lithotrophic denitrification
topic Biogas treatment
Sulfide anaerobic oxidation
Denitrification
Lithotrophic denitrification
description Texto completo: acesso restrito. p. 1643-1654
publishDate 2012
dc.date.issued.fl_str_mv 2012
dc.date.accessioned.fl_str_mv 2014-07-21T16:53:37Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.uri.fl_str_mv http://repositorio.ufba.br/ri/handle/ri/15250
dc.identifier.issn.none.fl_str_mv 0273-2289
dc.identifier.number.pt_BR.fl_str_mv v. 168, n. 6
identifier_str_mv 0273-2289
v. 168, n. 6
url http://repositorio.ufba.br/ri/handle/ri/15250
dc.language.iso.fl_str_mv eng
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dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.source.pt_BR.fl_str_mv http://dx.doi.org/ 10.1007/s12010-012-9885-3
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