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Registro Completo |
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
03/05/2022 |
Data da última atualização: |
03/05/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MENDONÇA, H. V. de; OTENIO, M. H.; LOMEU, A. A.; RITA, A. V. S. |
Afiliação: |
HENRIQUE VIEIRA DE MENDONÇA, Universidade Federal Rural do Rio de Janeiro; MARCELO HENRIQUE OTENIO, CNPGL; ALICE AZEVEDO LOMEU, Universidade Federal Rural do Rio de Janeiro; AMANDA VIEIRA SANTA RITA, Universidade Federal Rural do Rio de Janeiro. |
Título: |
Post-treatment of an aerated facultative pond with constructed wetland: first two years of operation in a dairy industry. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Ecological Engineering, v. 179, 106623, 2022. |
DOI: |
https://doi.org/10.1016/j.ecoleng.2022.106623 |
Idioma: |
Inglês |
Conteúdo: |
In the present study, a horizontal subsurface flow constructed wetland (HSF-CW) with a surface area of 240 m2 and HRT of 2 days, was used in the post treatment of a facultative aerated pond. Application rates of 175 kg BOD5 ha? 1 day? 1 and 408 kg COD ha? 1 day? 1 can be considered admissible for HSF-CW operation following a facultative aerated pond. The system presented values for COD, BOD5 and TSS removal of 88%, 98.8% and 99.3%, respectively. The system supported operation at a solids application rate of 23.3 g TSS m? 2 day? 1 for two years without clogging. The species grown in the CW (Brachiaria ruziziensis) presented a biomass produtivity of between 1.86 and 2.55 kg m? 2 y? 1 , providing CO2 biofixation of between 3.10 and 3.98 kg m? 2 y? 1 . The present study, conducted over two years, indicates that the HSF-CW model employed, and the operational parameters proposed, can be used in post treatment for a pond system that is not operating satisfactorily. |
Thesagro: |
Capim Brachiaria; Impacto Ambiental; Indústria; Laticínio; Pântano. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 01694naa a2200229 a 4500 001 2142620 005 2022-05-03 008 2022 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.ecoleng.2022.106623$2DOI 100 1 $aMENDONÇA, H. V. de 245 $aPost-treatment of an aerated facultative pond with constructed wetland$bfirst two years of operation in a dairy industry.$h[electronic resource] 260 $c2022 520 $aIn the present study, a horizontal subsurface flow constructed wetland (HSF-CW) with a surface area of 240 m2 and HRT of 2 days, was used in the post treatment of a facultative aerated pond. Application rates of 175 kg BOD5 ha? 1 day? 1 and 408 kg COD ha? 1 day? 1 can be considered admissible for HSF-CW operation following a facultative aerated pond. The system presented values for COD, BOD5 and TSS removal of 88%, 98.8% and 99.3%, respectively. The system supported operation at a solids application rate of 23.3 g TSS m? 2 day? 1 for two years without clogging. The species grown in the CW (Brachiaria ruziziensis) presented a biomass produtivity of between 1.86 and 2.55 kg m? 2 y? 1 , providing CO2 biofixation of between 3.10 and 3.98 kg m? 2 y? 1 . The present study, conducted over two years, indicates that the HSF-CW model employed, and the operational parameters proposed, can be used in post treatment for a pond system that is not operating satisfactorily. 650 $aCapim Brachiaria 650 $aImpacto Ambiental 650 $aIndústria 650 $aLaticínio 650 $aPântano 700 1 $aOTENIO, M. H. 700 1 $aLOMEU, A. A. 700 1 $aRITA, A. V. S. 773 $tEcological Engineering$gv. 179, 106623, 2022.
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