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| 6. |  | PESSÔA, G. N.; CARNEIRO, J. da C. Adaptação, produtividade, persistência e valor nutritivo de gramíneas e leguminosas sob diferentes níveis de sombreamento, no Acre. In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA, 9., 2000, Rio Branco, AC. Anais... Rio Branco: CNPq; Pibic; Ufac, 2000. p. 124.| Biblioteca(s): Embrapa Acre. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Tabuleiros Costeiros. Para informações adicionais entre em contato com cpatc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite; Embrapa Recursos Genéticos e Biotecnologia; Embrapa Tabuleiros Costeiros. |
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Data corrente: |
11/08/2021 |
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Data da última atualização: |
26/11/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
MARAFON, A. C.; AMARAL, A. F. C.; MACHADO, J. C.; CARNEIRO, J. da C.; BIERHALS, A. N.; GUIMARÃES, V. dos S. |
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Afiliação: |
ANDERSON CARLOS MARAFON, CPATC; ANDRE FELIPE CAMARA AMARAL, CENARGEN; JUAREZ CAMPOLINA MACHADO, CNPGL; JAILTON DA COSTA CARNEIRO, CNPGL; ADRIANA NEUTZLING BIERHALS, Universidade Federal de Alagoas; VICTOR DOS SANTOS GUIMARÃES, Universidade Federal de Alagoas. |
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Título: |
Chemical composition and calorific value of elephant grass varieties and other feedstocks intended for direct combustion. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Grassland Science, v. 67, p. 241-249, 2021. |
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DOI: |
https://doi.org/10.1111/grs.12311 |
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Idioma: |
Inglês |
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Conteúdo: |
Perennial grasses display several positive attributes as suitable energy crops for use as a solid fuel for direct combustion, such as high annual production of dry matter per unit area, perennity and high harvest flexibility. This study aimed to characterize the chemical composition and calorific value of 18 elephant grass (EG) varieties (Pennisetum purpureum Schum.) and 10 other potential bioenergy feedstocks intended for direct combustion. Samples were obtained from 6-month-old EG and sorghum and 3-year-old eucalyptus, Mimosa caesalpiniaefolia, and bamboo plants. Sugarcane bagasse and straw, rice husk, corn stover, coconut husk, and fiber samples were also evaluated. The elemental composition, lower heating value (LHV), and cellulose (CEL), hemicellulose (HCEL), lignin (LIG) and ash contents (% dry matter) were analyzed. The results indicated that the EG genotypes showed significant differences when compared with other evaluated biomasses, but showed no differences among themselves. The EG varieties showed a mean LHV (16.7 MJ/kg) superior to that of rice husk, sugarcane bagasse, and sorghum and similar to that of sugarcane straw, coconut fiber, and corn stover. The EG varieties showed a mean ash content (4.74%) inferior to that of rice husk, sugarcane bagasse, coconut fiber, and sorghum; a mean CEL content (36.0%) similar to that of sugarcane straw, coconut fiber, corn stover, sorghum, and Mimosa caesalpinifolia; HCEL; a mean HCEL content (30.3%) superior to that of rice husk, bamboo, eucalyptus, M. caesalpinifolia, coconut husk, and fiber; and a mean LIG content (8.80%) superior to that of corn stover and similar to that of sorghum, sugarcane bagasse, and straw biomass. The significant capacity of EG to accumulate dry matter was associated with the biomass quality attributes (LHV and CEL, HCEL, LIG, and ash contents), thereby making it an excellent alternative to lignocellulosic feedstock for direct combustion. MenosPerennial grasses display several positive attributes as suitable energy crops for use as a solid fuel for direct combustion, such as high annual production of dry matter per unit area, perennity and high harvest flexibility. This study aimed to characterize the chemical composition and calorific value of 18 elephant grass (EG) varieties (Pennisetum purpureum Schum.) and 10 other potential bioenergy feedstocks intended for direct combustion. Samples were obtained from 6-month-old EG and sorghum and 3-year-old eucalyptus, Mimosa caesalpiniaefolia, and bamboo plants. Sugarcane bagasse and straw, rice husk, corn stover, coconut husk, and fiber samples were also evaluated. The elemental composition, lower heating value (LHV), and cellulose (CEL), hemicellulose (HCEL), lignin (LIG) and ash contents (% dry matter) were analyzed. The results indicated that the EG genotypes showed significant differences when compared with other evaluated biomasses, but showed no differences among themselves. The EG varieties showed a mean LHV (16.7 MJ/kg) superior to that of rice husk, sugarcane bagasse, and sorghum and similar to that of sugarcane straw, coconut fiber, and corn stover. The EG varieties showed a mean ash content (4.74%) inferior to that of rice husk, sugarcane bagasse, coconut fiber, and sorghum; a mean CEL content (36.0%) similar to that of sugarcane straw, coconut fiber, corn stover, sorghum, and Mimosa caesalpinifolia; HCEL; a mean HCEL content (30.3%) superior to that of rice h... Mostrar Tudo |
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Palavras-Chave: |
Biomass attributes; Thermal energy. |
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Thesagro: |
Bioenergia; Capim Elefante; Combustão; Composição Química; Energia Térmica; Pennisetum Purpureum. |
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Thesaurus NAL: |
Bioenergy. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02868naa a2200301 a 4500
001 2136691
005 2021-11-26
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1111/grs.12311$2DOI
100 1 $aMARAFON, A. C.
245 $aChemical composition and calorific value of elephant grass varieties and other feedstocks intended for direct combustion.$h[electronic resource]
260 $c2021
520 $aPerennial grasses display several positive attributes as suitable energy crops for use as a solid fuel for direct combustion, such as high annual production of dry matter per unit area, perennity and high harvest flexibility. This study aimed to characterize the chemical composition and calorific value of 18 elephant grass (EG) varieties (Pennisetum purpureum Schum.) and 10 other potential bioenergy feedstocks intended for direct combustion. Samples were obtained from 6-month-old EG and sorghum and 3-year-old eucalyptus, Mimosa caesalpiniaefolia, and bamboo plants. Sugarcane bagasse and straw, rice husk, corn stover, coconut husk, and fiber samples were also evaluated. The elemental composition, lower heating value (LHV), and cellulose (CEL), hemicellulose (HCEL), lignin (LIG) and ash contents (% dry matter) were analyzed. The results indicated that the EG genotypes showed significant differences when compared with other evaluated biomasses, but showed no differences among themselves. The EG varieties showed a mean LHV (16.7 MJ/kg) superior to that of rice husk, sugarcane bagasse, and sorghum and similar to that of sugarcane straw, coconut fiber, and corn stover. The EG varieties showed a mean ash content (4.74%) inferior to that of rice husk, sugarcane bagasse, coconut fiber, and sorghum; a mean CEL content (36.0%) similar to that of sugarcane straw, coconut fiber, corn stover, sorghum, and Mimosa caesalpinifolia; HCEL; a mean HCEL content (30.3%) superior to that of rice husk, bamboo, eucalyptus, M. caesalpinifolia, coconut husk, and fiber; and a mean LIG content (8.80%) superior to that of corn stover and similar to that of sorghum, sugarcane bagasse, and straw biomass. The significant capacity of EG to accumulate dry matter was associated with the biomass quality attributes (LHV and CEL, HCEL, LIG, and ash contents), thereby making it an excellent alternative to lignocellulosic feedstock for direct combustion.
650 $aBioenergy
650 $aBioenergia
650 $aCapim Elefante
650 $aCombustão
650 $aComposição Química
650 $aEnergia Térmica
650 $aPennisetum Purpureum
653 $aBiomass attributes
653 $aThermal energy
700 1 $aAMARAL, A. F. C.
700 1 $aMACHADO, J. C.
700 1 $aCARNEIRO, J. da C.
700 1 $aBIERHALS, A. N.
700 1 $aGUIMARÃES, V. dos S.
773 $tGrassland Science$gv. 67, p. 241-249, 2021.
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