New insights into kinetics and mechanisms of acid sulphite delignification of Eucalyptus globulus wood

Mendes, Inês S.F.; Prates, António; Evtuguin, Dmitry V.

doi:10.1016/j.cej.2024.153959

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.153959

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New insights into kinetics and mechanisms of acid sulphite delignification of Eucalyptus globulus wood

Inês S.F. Mendes,

António Prates,

Dmitry V. Evtuguin

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Cited by 3 publications

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Renewable Energy

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Pretreatment of corn cobs using hydrogen peroxide-microwave assisted to enhance enzymatic hydrolysis: Kinetics studies

Novia,

Syaputra,

Ariva

et al. 2025

Renewable Energy

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Study on high efficiency separation of low condensation lignin and its dissolution mechanism by 1, 4 butanediol combined with p-toluene sulfonic acid pretreatment system

Du,

Liu,

Liu

et al. 2025

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Utilization of Forest Residues for Cellulose Extraction from Timber Species in the High Montane Forest of Chimborazo, Ecuador

Manzano Vela,

Villegas Freire,

Zabala Vizuete

et al. 2024

Polymers

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The present study explored the extraction of cellulose from forest residues of four timber species, namely Cedrela montana Moritz ex Turcz, Buddleja incana Ruiz & Pav, Vallea stipularis L. f. and Myrsine andina (Mez) Pipoly, in the high montane forest of Chimborazo province, Ecuador, for the sustainable utilization of leaves, branches, and flowers. An alkaline extraction method was used on the residues without the need for prior degreasing. An ANOVA analysis was applied to evaluate significant differences in cellulose extraction yields among the species’ residues. The characterization techniques used were Fourier transform infrared spectroscopy (FTIR) and polarized light optical microscopy, which confirmed the successful extraction of cellulose with characteristics comparable to standard cotton cellulose and other traditional species. The results showed significant variations in cellulose yield among the species, with Vallea stipularis L. f achieving the highest yield of 80.83%. The crystallinity of the samples was clearly evidenced by the polarity of the light in the samples during microscopy, demonstrating that the residues can be a viable and sustainable source of cellulose, contributing to a circular economy and reducing the environmental impact of forest waste.

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New insights into kinetics and mechanisms of acid sulphite delignification of Eucalyptus globulus wood

Cited by 3 publications

References 20 publications

Pretreatment of corn cobs using hydrogen peroxide-microwave assisted to enhance enzymatic hydrolysis: Kinetics studies

Pretreatment of corn cobs using hydrogen peroxide-microwave assisted to enhance enzymatic hydrolysis: Kinetics studies

Study on high efficiency separation of low condensation lignin and its dissolution mechanism by 1, 4 butanediol combined with p-toluene sulfonic acid pretreatment system

Utilization of Forest Residues for Cellulose Extraction from Timber Species in the High Montane Forest of Chimborazo, Ecuador

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