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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
19/06/2012 |
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Data da última atualização: |
19/06/2012 |
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Autoria: |
ANDRADE, C. M. S. de; ASSIS, G. M. L. de. |
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Título: |
Consorciação de pastagens: potencial da tecnologia e fatores de sucesso.
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Informe Agropecuário, Belo Horizonte, MG, v. 33, n. 266, p. 36-48, jan./fev. 2012. |
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Idioma: |
Português |
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Palavras-Chave: |
Gramínea; Leguminosa forrageira; Pastagem; Pastagem consorciada. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00533naa a2200169 a 4500
001 1085627
005 2012-06-19
008 2012 bl uuuu u00u1 u #d
100 1 $aANDRADE, C. M. S. de
245 $aConsorciação de pastagens$bpotencial da tecnologia e fatores de sucesso.
260 $c2012
653 $aGramínea
653 $aLeguminosa forrageira
653 $aPastagem
653 $aPastagem consorciada
700 1 $aASSIS, G. M. L. de.
773 $tInforme Agropecuário, Belo Horizonte, MG$gv. 33, n. 266, p. 36-48, jan./fev. 2012.
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
06/06/2011 |
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Data da última atualização: |
06/06/2011 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Circulação/Nível: |
-- - -- |
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Autoria: |
LAPA, K. R.; GARCIA, M. L.; SAKAMOTO, I. K.; GIANOTTI, E. P.; GARBOSSA, L. H. P.; FORESTI, E.; ZAIAT, M. |
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Afiliação: |
Epagri |
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Título: |
Influence of bed materials on the performance of an anaerobic sequencing batch biofilm reactor treating sewage wastewater. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
In: TALLER Y SIMPOSIO LATINO AMERICANO SOBRE DIGESTION ANAEROBIA, 7., 2005, Punta del Este. [Proceedings...]. Punta del Este: AIDIS, 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
The performance of an anaerobic sequencing batch biofilm reactor (ASBBR) filled with different support materials for biomass immobilization: polyurethane foam (PF), vegetal carbon (VC), synthetic pumice (SP), and recycled low-density polyethylene (PE) was evaluated. The ASBBR, with total volume of 7.2 L, was operated in 8-hour batch cycles over 10 months, and fed with domestic sewage with average influent chemical oxygen demand (COD) of 358±110 mg/L. The values of the average effluent COD were 121±31, 208±54, 233±52, and 227±51 mg/L, for PU, VC, SP, and PE, respectively. A modified first-order kinetic model was fitted to temporal profiles of COD during a batch cycle, and the apparent kinetic constants were 0.52±0.05, 0.37±0.05, 0.80±0.04 and 0.30±0.02 h-1 for PU, VC, SP and PE, respectively. Specific substrate utilization rates of 1.08, 0.11, and 0.86 mg COD/mgTVS.day were obtained for PU, VC and PE, respectively. Although the highest kinetic coefficient was obtained for SP, PU was considered the best support because SP presented loss of chemical constituents during the operation. |
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Palavras-Chave: |
Anaerobic digestion; ASBBR; Domestic sewage; Immobilized biomass; Kinetics; Support material. |
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Categoria do assunto: |
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Marc: |
LEADER 01767naa a2200193 a 4500
001 1077205
005 2011-06-06
008 2005 bl uuuu u00u1 u #d
100 1 $aEpagri
245 $aInfluence of bed materials on the performance of an anaerobic sequencing batch biofilm reactor treating sewage wastewater.
260 $c2005
520 $aThe performance of an anaerobic sequencing batch biofilm reactor (ASBBR) filled with different support materials for biomass immobilization: polyurethane foam (PF), vegetal carbon (VC), synthetic pumice (SP), and recycled low-density polyethylene (PE) was evaluated. The ASBBR, with total volume of 7.2 L, was operated in 8-hour batch cycles over 10 months, and fed with domestic sewage with average influent chemical oxygen demand (COD) of 358±110 mg/L. The values of the average effluent COD were 121±31, 208±54, 233±52, and 227±51 mg/L, for PU, VC, SP, and PE, respectively. A modified first-order kinetic model was fitted to temporal profiles of COD during a batch cycle, and the apparent kinetic constants were 0.52±0.05, 0.37±0.05, 0.80±0.04 and 0.30±0.02 h-1 for PU, VC, SP and PE, respectively. Specific substrate utilization rates of 1.08, 0.11, and 0.86 mg COD/mgTVS.day were obtained for PU, VC and PE, respectively. Although the highest kinetic coefficient was obtained for SP, PU was considered the best support because SP presented loss of chemical constituents during the operation.
653 $aAnaerobic digestion
653 $aASBBR
653 $aDomestic sewage
653 $aImmobilized biomass
653 $aKinetics
653 $aSupport material
773 $tIn: TALLER Y SIMPOSIO LATINO AMERICANO SOBRE DIGESTION ANAEROBIA, 7., 2005, Punta del Este. [Proceedings...]. Punta del Este: AIDIS, 2005.
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