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dc.contributor.authorBeltramino Heffes, Facundo
dc.contributor.authorRoncero Vivero, María Blanca
dc.contributor.authorVidal Lluciá, Teresa
dc.contributor.authorTorres López, Antonio Luis
dc.contributor.authorValls Vidal, Cristina
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Tèxtil i Paperera
dc.identifier.citationBeltramino, F. [et al.]. Increasing yield of nanocrystalline cellulose preparation process by a cellulase pretreatment. "Bioresource technology", 09 Juny 2015, vol. 192, p. 574-581.
dc.description.abstractIn this work the introduction of a cellulase treatment prior to NCC isolation was assessed. NCC was produced using sulfuric acid at two different concentrations (62 and 64% wt.). The effect of pore size for filtration step was also assessed. The smaller acid dose leaded to yields up to 65–70% and average size up to 160 nm. It also produced crystals with reduced sulfur content (0.6–1%). Cellulase pretreatment influenced NCC characteristics, as it increased overall yield a 12%, increased average particle size around 35 nm and reduced NCC sulfur content up to a 0.8%. We found that different conditions of enzymatic treatments led to quantitative differences on their effects on NCC. Acetate buffer used for enzymatic treatments was found to counteract effects of acid. The evidence presented in this work suggested that pretreating fibers with this cellulase represents a very interesting option to partially replace chemicals on NCC isolation
dc.format.extent8 p.
dc.subjectÀrees temàtiques de la UPC::Enginyeria paperera::Primeres matèries papereres::Cel·lulosa
dc.subject.otherNanocrystalline cellulose
dc.subject.otherEnzymatic treatment
dc.subject.otherYield increase
dc.subject.otherAcid hydrolysis
dc.titleIncreasing yield of nanocrystalline cellulose preparation process by a cellulase pretreatment
dc.subject.lemacCel·lulosa microcristal·lina
dc.contributor.groupUniversitat Politècnica de Catalunya. CELBIOTECH - Grup de Recerca: Enginyeria Paperera
dc.rights.accessOpen Access
dc.description.versionPostprint (author’s final draft)
upcommons.citation.authorBeltramino, F.; Roncero, M.; Vidal, T.; Torres, A.L.; Valls, C.
upcommons.citation.publicationNameBioresource technology

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