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 | Acesso ao texto completo restrito à biblioteca da Embrapa Suínos e Aves. Para informações adicionais entre em contato com cnpsa.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
01/11/2019 |
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Data da última atualização: |
01/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BORTOLI, M.; KUNZ, A.; PRÁ, M. C. de; SILVA, M. L. B. da; CÉ, A.; SOARES, H. M. |
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Afiliação: |
MARCELO BORTOLI, UTFPR; AIRTON KUNZ, CNPSA; MARINA CELANT DE PRÁ, UTFPR; MARCIO LUIS BUSI DA SILVA; ANA CÉ, UTFPR; HUGO MOREIRA SOARES, UFSC. |
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Título: |
Simultaneous removal of nitrogen and organic carbon from swine wastewater using the pre-denitrification/nitrification process. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Revista Ambiente & Água, v.14, n. 2, e2241, 2019. |
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DOI: |
10.4136/ambi-agua.2241. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Wastewater from confined animal feeding operations (CAFOs) can interfere significantly with the natural nitrogen and phosphorus balance in the environment if not treated adequately prior to disposal. In this work, a modified Lutzak-Ettinger (MLE) consisting of sequential predenitrification/ nitrification was used to determine the effects of nutrient loading rates and hydraulic retention times (HRT) on total nitrogen (TN) and organic carbon (TOC) removal from swine wastewater. MLE reactor was continuously fed swine wastewater for over 205 days using different recycle ratios (Rr) and HRT. Higher TN and TOC removal efficiencies (90.7% and 96.1%, respectively) were obtained when recycling effluent from the nitrification tank (4.5:1) combined with effluent from the final clarifier (1:1). Removal efficiencies of 96% for TOC and 90% for TN were obtained for the maximum loading rates of 0.56 gTN L-1d-1 and 2.15 g TOC L-1d-1, respectively. TN and TOC removal rates were achieved with HRT in as little as 3.5 days. Overall, MLE was a robust bioprocess withstanding variations in wastewater physical-chemical composition and/or changes in operational conditions without significant impairment of N and TOC removal efficiencies. |
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Palavras-Chave: |
High organic rate. |
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Thesagro: |
Águas Residuais; Dejeto; Desnitrificação; Suinocultura. |
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Thesaurus Nal: |
Ammonia; Denitrification; Swine; Wastewater treatment. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02119naa a2200301 a 4500
001 2113778
005 2019-11-01
008 2019 bl uuuu u00u1 u #d
024 7 $a10.4136/ambi-agua.2241.$2DOI
100 1 $aBORTOLI, M.
245 $aSimultaneous removal of nitrogen and organic carbon from swine wastewater using the pre-denitrification/nitrification process.$h[electronic resource]
260 $c2019
520 $aAbstract: Wastewater from confined animal feeding operations (CAFOs) can interfere significantly with the natural nitrogen and phosphorus balance in the environment if not treated adequately prior to disposal. In this work, a modified Lutzak-Ettinger (MLE) consisting of sequential predenitrification/ nitrification was used to determine the effects of nutrient loading rates and hydraulic retention times (HRT) on total nitrogen (TN) and organic carbon (TOC) removal from swine wastewater. MLE reactor was continuously fed swine wastewater for over 205 days using different recycle ratios (Rr) and HRT. Higher TN and TOC removal efficiencies (90.7% and 96.1%, respectively) were obtained when recycling effluent from the nitrification tank (4.5:1) combined with effluent from the final clarifier (1:1). Removal efficiencies of 96% for TOC and 90% for TN were obtained for the maximum loading rates of 0.56 gTN L-1d-1 and 2.15 g TOC L-1d-1, respectively. TN and TOC removal rates were achieved with HRT in as little as 3.5 days. Overall, MLE was a robust bioprocess withstanding variations in wastewater physical-chemical composition and/or changes in operational conditions without significant impairment of N and TOC removal efficiencies.
650 $aAmmonia
650 $aDenitrification
650 $aSwine
650 $aWastewater treatment
650 $aÁguas Residuais
650 $aDejeto
650 $aDesnitrificação
650 $aSuinocultura
653 $aHigh organic rate
700 1 $aKUNZ, A.
700 1 $aPRÁ, M. C. de
700 1 $aSILVA, M. L. B. da
700 1 $aCÉ, A.
700 1 $aSOARES, H. M.
773 $tRevista Ambiente & Água$gv.14, n. 2, e2241, 2019.
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Registro original: |
Embrapa Suínos e Aves (CNPSA) |
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Biblioteca |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Trigo. Para informações adicionais entre em contato com cnpt.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
10/03/2000 |
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Data da última atualização: |
10/03/2000 |
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Autoria: |
CUNHA, G. R. da. |
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Afiliação: |
Gilberto Rocca da Cunha, Embrapa Trigo. |
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Título: |
A expedição de Martim Affonso. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
In: CUNHA, G. R. da; TROMBINI, M. de F. (Org.). Trigo no Mercosul: coletânea de artigos. Brasília, DF: Embrapa Comunicação para Transferência de Tecnologia; Passo Fundo: Embrapa Trigo, 1999. |
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Páginas: |
p. 99-103 |
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Idioma: |
Português |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00463naa a2200121 a 4500
001 1825448
005 2000-03-10
008 1999 bl uuuu u00u1 u #d
100 1 $aCUNHA, G. R. da
245 $aA expedição de Martim Affonso.
260 $c1999
300 $ap. 99-103
773 $tIn: CUNHA, G. R. da; TROMBINI, M. de F. (Org.). Trigo no Mercosul: coletânea de artigos. Brasília, DF: Embrapa Comunicação para Transferência de Tecnologia; Passo Fundo: Embrapa Trigo, 1999.
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Embrapa Trigo (CNPT) |
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