2013
DOI: 10.5902/198050989293
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Potencial energético da madeira de espécies oriundas de plano de manejo florestal no Estado do Rio Grande do Norte

Abstract: O objetivo do trabalho foi avaliar o potencial energético das madeiras de espécies sob plano de manejo florestal provenientes da região do Seridó, no estado do Rio Grande do Norte. Utilizou-se na pesquisa, madeiras das espécies Jurema-preta, Pereiro, Marmeleiro, Catingueira, Mororó, Imburana, Jurema-branca e Mofumbo, aos 20 anos de idade, originadas da fazenda Dominga no município de Caicó/RN. Foram realizadas na madeira, as análises da densidade básica, teores de materiais voláteis, cinzas e carbono fixo, pod… Show more

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Cited by 33 publications
(31 citation statements)
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“…according to the species or species mixture used for wood carbonization should be taken into account (SANTOS et al, 2013) The results in seedling quality were also lower than expected, since Souchie et al (2011) observed improvements directly proportional to the increase of charcoal in the substrate of Tachigali vulgaris, while in this experiment the improvement in the seedling quality did not accompany the increase of charcoal in the substrate.…”
Section: Discussioncontrasting
confidence: 68%
“…according to the species or species mixture used for wood carbonization should be taken into account (SANTOS et al, 2013) The results in seedling quality were also lower than expected, since Souchie et al (2011) observed improvements directly proportional to the increase of charcoal in the substrate of Tachigali vulgaris, while in this experiment the improvement in the seedling quality did not accompany the increase of charcoal in the substrate.…”
Section: Discussioncontrasting
confidence: 68%
“…Least rates were reported in fertilizations with 0-200-200 and 40-200-100, requiring phosphated fertilization. As a rule, results obtained were similar to those by Andrade et al (2011) and by Santos et al (2013).…”
Section: Nutrients In Schizolobium Amazonicum Ashessupporting
confidence: 88%
“…C/N ratio was lower in treatments 11 (80-50-200 Moreira and Siqueira (2002), C/N rates higher than 20 indicate immobilization as the dominant process, it may be verified that the material produced is richer in COT (Total carbon organic) than in NT (Total nitrogen). According to Santos et al (2013), it is generally expected that timber with high C rates have a positive relationship, coupled to a greater thermal resistance and, consequently, more durable energy provision. Moulin et al (2011) reported that C/N varied between 133.95 and 627.02, and indicated that the material was more suitable for energy production.…”
Section: C/n Ratiomentioning
confidence: 99%
“…Materiais lignocelulósicos com maiores teores de lignina e extrativos tendem a resistir mais ao aumento da temperatura, resultando em maiores massas residuais ao final da decomposição térmica até valores de 500 a 600 °C, haja visto que durante a transformação térmica a lignina se torna o principal constituinte do carvão (Santos et al, 2013).…”
Section: Resultados E Discussõesunclassified
“…Os valores obtidos estão em acordo com as faixas de temperatura de decomposição térmica mais intensa determinados por Santos et al (2013). Todavia, as análises de (TG/DTG) não apresentaram variações expressivas entre os picos analisados, embora ao final na massa residual, a serragem tenha apresentado maior resistência à degradação térmica.…”
Section: Resultados E Discussõesunclassified