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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
29/07/2019 |
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Data da última atualização: |
30/10/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SATO, M. K.; LIMA, H. V. de; COSTA, A. N.; RODRIGUES, S.; PEDROSO, A. J. S.; MAIA, C. M. B. de F. |
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Afiliação: |
Michel Keisuke Sato, UFRA; Herdjania Veras de Lima, UFRA; Aline Noronha Costa, UFRA; Sueli Rodrigues, UFPI; Augusto José Silva Pedroso, IFPA; CLAUDIA MARIA BRANCO DE F MAIA, CNPF. |
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Título: |
Biochar from açaí agroindustry waste: study of pyrolysis conditions. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Waste Management, v. 96, p. 158-167, Aug. 2019. |
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DOI: |
10.1016/j.wasman.2019.07.022 |
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Idioma: |
Inglês |
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Conteúdo: |
The production chain of Acai (Euterpe oleracea Mart) has a high economic representativeness in the Brazilian Amazon. However, wastes generated from the processing of the fruit has been deliberately discarded in the environment, causing health risks to the population due to environmental contamination or the proliferation of disease agents. Thus, the production of biochar arises as an alternative to the irregular disposal of these residues. The objective of this work was to evaluate the conditions (temperature and residence time) to produce biochar from Acai processing residues and its potential for use as soil conditioner in the Amazon region. Acai seeds were carbonized using the process of muffle pyrolysis at different temperatures and residence times. Biochars were evaluated for their physical and chemical properties and hydrophobicity. The temperature had a greater influence than the residence time for most parameters. Higher values of pH, higher recalcitance and greater potential for water retention were observed for the biochar produced at temperatures of 600 and 700 °C. At lower temperatures (300 and 400 °C), a greater yield was observed, however, in this condition, the material presented an extremely hydrophobic character. By considering the favorable agronomic characteristics of biochar, the temperature of 600 °C and residence time of 60 min are the most suitable conditions for the production of biochar from Acai seeds. |
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Palavras-Chave: |
Black carbon; Hidrofobicidade; Pyrolysis temperature; Residence time; Temperatura de pirólise. |
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Thesagro: |
Euterpe Oleracea. |
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Thesaurus Nal: |
Biochar; Hydrophobicity. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02310naa a2200289 a 4500
001 2110942
005 2019-10-30
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1016/j.wasman.2019.07.022$2DOI
100 1 $aSATO, M. K.
245 $aBiochar from açaí agroindustry waste$bstudy of pyrolysis conditions.$h[electronic resource]
260 $c2019
520 $aThe production chain of Acai (Euterpe oleracea Mart) has a high economic representativeness in the Brazilian Amazon. However, wastes generated from the processing of the fruit has been deliberately discarded in the environment, causing health risks to the population due to environmental contamination or the proliferation of disease agents. Thus, the production of biochar arises as an alternative to the irregular disposal of these residues. The objective of this work was to evaluate the conditions (temperature and residence time) to produce biochar from Acai processing residues and its potential for use as soil conditioner in the Amazon region. Acai seeds were carbonized using the process of muffle pyrolysis at different temperatures and residence times. Biochars were evaluated for their physical and chemical properties and hydrophobicity. The temperature had a greater influence than the residence time for most parameters. Higher values of pH, higher recalcitance and greater potential for water retention were observed for the biochar produced at temperatures of 600 and 700 °C. At lower temperatures (300 and 400 °C), a greater yield was observed, however, in this condition, the material presented an extremely hydrophobic character. By considering the favorable agronomic characteristics of biochar, the temperature of 600 °C and residence time of 60 min are the most suitable conditions for the production of biochar from Acai seeds.
650 $aBiochar
650 $aHydrophobicity
650 $aEuterpe Oleracea
653 $aBlack carbon
653 $aHidrofobicidade
653 $aPyrolysis temperature
653 $aResidence time
653 $aTemperatura de pirólise
700 1 $aLIMA, H. V. de
700 1 $aCOSTA, A. N.
700 1 $aRODRIGUES, S.
700 1 $aPEDROSO, A. J. S.
700 1 $aMAIA, C. M. B. de F.
773 $tWaste Management$gv. 96, p. 158-167, Aug. 2019.
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| Registros recuperados : 7 | |
| 4. |  | PIVETTA, L. A.; CASTOLDI, G.; SANTOS, G. P. dos; ROSOLEM, C. A. Crescimento e atividade de raízes de soja em função do sistema de produção. Pesquisa agropecuária Brasileira, Brasília, DF, v. 46, n. 11, p. 1547-1554, nov. 2011 Título em inglês: Soybean root growth and activity as affected by the production system.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 5. | | SANTOS, G. P. dos; KUNZ, A.; STEINMETZ, R. L. R.; TÁPARRO, D.; SCUSSIATO, L.; AMARAL, A. C. Determinação de sólidos em suspensão através do processo de centrifugação. In: JORNADA DE INICIAÇÃO CIENTÍFICA, 8., 2014, Concórdia. Anais... Brasília: Embrapa, 2014. p. 33-34. JINC 2014.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Suínos e Aves. |
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| 6. | | SANTOS, G. P. dos; ALMEIDA JÚNIOR, L. R. de; YAMADA, C.; GARCIA, L. C.; FAVARO, S. P. Umidade e índice de acidez do óleo de polpa de frutos de macaúba secos em diferentes condições de tempo e temperatura. In: CONGRESSO BRASILEIRO DE MACAÚBA, 1., 2013, Patos de Minas, MG. Consolidação da cadeia produtiva: anais. Brasília, DF: MAPA, 2013.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroenergia. |
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| 7. | | SALOMÃO, A. N.; WALTER, B. M. T.; CAVALCANTI, T. B.; MEDEIROS, M. B. de; SANTOS, I. R. I. dos; SANTOS, A. A.; SANTOS, G. P. dos; MUNDIM, R. C.; PEREIRA, J. B.; REZENDE, J. M.; MOREIRA, G. A. Desenvolvimento de metodologias para a conservação de germoplasma semente resgatado em áreas de aproveitamento de cinco hidrelétricas no Bioma Cerrado. Brasília: Embrapa Recursos Genéticos e Biotecnologia, 2005 28 p. (Embrapa Recursos Genéticos e Biotecnologia. Documentos, 138).| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| Registros recuperados : 7 | |
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