Estudo do processo de separação do licor de hemicelulose na biorrefinaria de serragem de alfarroba preta
DOI:
https://doi.org/10.33414/rtyc.44.26-41.2022Palavras-chave:
otimização, hemiceluloses, hidrólise, serragem de alfarroba preta, biorrefinariaResumo
Este trabalho de pesquisa utilizou como matéria-prima a serragem de alfarroba preta pré-tratada, um resíduo abundante na região Nordeste da Argentina, e teve como objetivo otimizar a terceira etapa de um processo de biorrefinaria. O pré-tratamento ácido em processos de biorrefinaria foi usado para extrair a quantidade máxima de hemiceluloses, reter a maior concentração de celulose no sólido pré-tratado e evitar a degradação dos açúcares contidos no licor do processo. Usando um projeto central composto de experimentos, a otimização da extração de hemicelulose de serragem de alfarroba lavada parcialmente deslignificada foi alcançada. Os resultados do delineamento composto central, com duas repetições do ponto central, mostraram que é possível obter licor com rendimento de 2,9% de glicose solubilizada, 54,5% de xilose solubilizada e 0,3% de xilose degradada, por meio de um processo ótimo. usando 1,5% de H2SO4, 7,7% de sólidos por 15,0 min.
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Copyright (c) 2022 Eliana Paola Dagnino, Carlos Raúl Ruíz, Ester Ramona Chamorro, Alfredo Fabián Sequeira
Este trabalho está licenciado sob uma licença Creative Commons Attribution-NonCommercial 4.0 International License.
