Autor segons l'article: Ceaser R; Montané D; Constantí M; Medina F
Departament: Enginyeria Química
Autor/s de la URV: Constantí Garriga, Magdalena
Paraules clau: Oxalic acid impregnation Optimization approach Milled softwood mixture Microwave-assisted hydrolysis Glucose Bioethanol
Resum: In this study, a deep eutectic solvent pretreated milled softwood mixture was impregnated with oxalic acid before performing a water hydrolysis to obtain glucose using a microwave. Analysis of variance of a central composite design (CCD) showed that both temperature and time were significant parameters to consider when studying the cellulose conversion, glucose yield and glucose selectivity. The optimal conditions were 174 °C and 2 h, which resulted in 27.7% cellulose conversion, 22.4% glucose yield and 81.1% glucose selectivity. Oxalic acid affected the amorphous domains of cellulose at low hydrolysis temperature, while both the amorphous and the crystalline regions were affected at high temperature. Successive treatments of the solid hydrolysis residues resulted in 98.4% cellulose conversion, 79.0% glucose yield and 80.3% selectivity. Bioethanol was produced from the recovered glucose within 24 h with a fermentation efficiency of 42.9%.
Àrees temàtiques: Zootecnia / recursos pesqueiros Saúde coletiva Química Planejamento urbano e regional / demografia Odontología Nutrição Medicina veterinaria Medicina iii Medicina ii Medicina i Materiais Interdisciplinar Farmacia Ensino Engenharias iv Engenharias iii Engenharias ii Engenharias i Ciências biológicas iii Ciências biológicas ii Ciências biológicas i Ciências ambientais Ciências agrárias i Ciência de alimentos Biotecnología Biodiversidade Astronomia / física Agronomy and crop science Agronomy Agriculture Agricultural engineering
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
Adreça de correu electrònic de l'autor: magdalena.constanti@urv.cat
Identificador de l'autor: 0000-0002-3547-4199
Data d'alta del registre: 2024-03-23
Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
Enllaç font original: https://www.sciencedirect.com/science/article/pii/S0926669024001638
Referència a l'article segons font original: Industrial Crops And Products. 210
Referència de l'ítem segons les normes APA: Ceaser R; Montané D; Constantí M; Medina F (2024). High-yield selective conversion of pretreated milled softwood mixture to glucose by oxalic acid impregnation and microwave-assisted hydrolysis – Application to bio-ethanol production. Industrial Crops And Products, 210(), -. DOI: 10.1016/j.indcrop.2024.118183
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
DOI de l'article: 10.1016/j.indcrop.2024.118183
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2024
Tipus de publicació: Journal Publications