2022
DOI: 10.33448/rsd-v11i2.25762
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Potencial de utilização de resíduos da cultura de soja tratados com água e hidróxido de sódio para produção de painéis aglomerados

Abstract: O Brasil é um dos maiores produtores de soja e, consequentemente, gera uma grande quantidade de resíduos provenientes dessa cultura, os quais poderiam ser aproveitados na confecção de aglomerados. Este trabalho objetivou analisar as características físico-mecânicas de painéis aglomerados, produzidos com partículas de resíduos de soja e eucalipto, tratadas em água fria e hidróxido de sódio. Adotou-se uma proporção de 50:50 de partículas de eucalipto e casquilho de soja. A densidade nominal dos painéis foi 0,60 … Show more

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“…For extractives and lignin, the hydrophobic compounds of low molecular weight in the bean residues presented respective values of 8.16% and 8.13%. The values for lignin were lower than those obtained for soybean residues (22,04%)(Borges et al 2022) and coffee wastes (29,28%)(Santos et al 2022). The values of extractives were lower than those obtained from sugarcane bagasse (19,59%)(Soares et al 2017) and soybean residues (13,69%)(Borges et al 2022).…”
contrasting
confidence: 59%
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“…For extractives and lignin, the hydrophobic compounds of low molecular weight in the bean residues presented respective values of 8.16% and 8.13%. The values for lignin were lower than those obtained for soybean residues (22,04%)(Borges et al 2022) and coffee wastes (29,28%)(Santos et al 2022). The values of extractives were lower than those obtained from sugarcane bagasse (19,59%)(Soares et al 2017) and soybean residues (13,69%)(Borges et al 2022).…”
contrasting
confidence: 59%
“…The values for lignin were lower than those obtained for soybean residues (22,04%)(Borges et al 2022) and coffee wastes (29,28%)(Santos et al 2022). The values of extractives were lower than those obtained from sugarcane bagasse (19,59%)(Soares et al 2017) and soybean residues (13,69%)(Borges et al 2022). These data reveal that the use of this product in polymeric matrices is favorable(Iwakiri and Trianoski 2020).The ash content was 16.94%, and although this is a relatively high value compared with other lignocellulosic materials, such as cocoa residue (3.17%) (Veloso et al 2021) and bamboo bers (0.22%)(Gomes et al 2021), there are no literature reports on the in uence of this component on polymeric woods(Iwakiri and Trianoski 2020).…”
contrasting
confidence: 59%