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 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
01/06/2021 |
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Data da última atualização: |
02/06/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
BAIENSE, K. M. S. M.; LINHARES, F. G.; INACIO, C. de T.; STHEL, M. S.; VARGAS, H.; SILVA, M. G. da. |
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Afiliação: |
KARIZA MAYRA SILVA MININI BAIENSE, UENF; FERNANDA GOMES LINHARES, UENF; CAIO DE TEVES INACIO, CNPS; MARCELO SILVA STHEL, UENF; HELION VARGAS, UENF; MARCELO GOMES DA SILVA, UENF. |
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Título: |
Photoacoustic-based sensor for real-time monitoring of methane and nitrous oxide in composting. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Sensors and Actuators B: chemical, v. 341, 129974, Aug. 2021. |
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DOI: |
https://doi.org/10.1016/j.snb.2021.129974 |
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Idioma: |
Inglês |
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Conteúdo: |
The emission of greenhouse gases from disturbed biological systems has caused damage to the environment. Thus, sensitive, efficient and accurate techniques have been required to monitor these gases. In this article, the gas dynamics in the composting of an agricultural waste (horse manure and lettuce lefts) was studied. The progress of composting was accompanied by monitoring O2 and CO2 gases and temperature. The results showed that in the thermophilic phase the composting was predominantly aerobic. Photoacoustic spectroscopy was used throughout the process to monitor the dynamics of the greenhouse gases N2O and CH4. The technique was effective in identifying both gases, and when combined with the convolution approach using the absorption lines from the molecular spectroscopic database (HITRAN), it also allowed the quantification of them. |
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Palavras-Chave: |
Espectroscopia Fotoacústica; Gases de Efeito Estufa. |
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Thesagro: |
Compostagem; Meio Ambiente. |
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Thesaurus NAL: |
Composting; Environment; Greenhouse gases; Photoacoustic spectroscopy. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 01749naa a2200289 a 4500
001 2132129
005 2021-06-02
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.snb.2021.129974$2DOI
100 1 $aBAIENSE, K. M. S. M.
245 $aPhotoacoustic-based sensor for real-time monitoring of methane and nitrous oxide in composting.$h[electronic resource]
260 $c2021
520 $aThe emission of greenhouse gases from disturbed biological systems has caused damage to the environment. Thus, sensitive, efficient and accurate techniques have been required to monitor these gases. In this article, the gas dynamics in the composting of an agricultural waste (horse manure and lettuce lefts) was studied. The progress of composting was accompanied by monitoring O2 and CO2 gases and temperature. The results showed that in the thermophilic phase the composting was predominantly aerobic. Photoacoustic spectroscopy was used throughout the process to monitor the dynamics of the greenhouse gases N2O and CH4. The technique was effective in identifying both gases, and when combined with the convolution approach using the absorption lines from the molecular spectroscopic database (HITRAN), it also allowed the quantification of them.
650 $aComposting
650 $aEnvironment
650 $aGreenhouse gases
650 $aPhotoacoustic spectroscopy
650 $aCompostagem
650 $aMeio Ambiente
653 $aEspectroscopia Fotoacústica
653 $aGases de Efeito Estufa
700 1 $aLINHARES, F. G.
700 1 $aINACIO, C. de T.
700 1 $aSTHEL, M. S.
700 1 $aVARGAS, H.
700 1 $aSILVA, M. G. da
773 $tSensors and Actuators B: chemical$gv. 341, 129974, Aug. 2021.
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