Journal of Wood Science

Cellulose and lignin purified from Metroxylon sagu palm fronds by a new technology with 2-methylanthraquinone cooking and peroxymonosulfuric acid bleaching

The study explores using sago palm fronds (SPF) for eco-friendly high-purity cellulose production. It employs prehydrolysis, soda cooking with 2-methylanthraquinone (MAQ) as a green additive, and totally chlorine-free (TCF) bleaching. Optimal conditions of prehydrolysis at 150°C for 3 hours, followed by soda-MAQ cooking at 160°C for 1.5 hours with 0.03% MAQ and 23% active alkali, produce high-purity cellulose with desirable properties. The soda-MAQ method excels in delignification, improving pulp yields and reducing kappa numbers. Additionally, lignin recovery holds potential for biorefinery applications.
(Article published on 9 April 2024)

One-pot Eucalyptus globulus wood fractionation in acid-catalyzed mixtures of water and 1-pentanol: an optimization study

Eucalyptus globulus wood underwent processing using a mixture of 1-pentanol, water, and diluted acid catalyst. Response Surface Methodology assessed the effects of variables like 1-pentanol proportion, catalyst charge, and temperature on wood solubilization and phase composition. Statistical optimization identified optimal conditions, achieving extensive lignin and hemicellulose removal with good cellulose selectivity. Enzymatic hydrolysis yielded near-complete conversion, confirming 1-pentanol's potential for Eucalyptus globulus wood-based biorefineries.
(Research published on 2 April 2024)

The Journal of Wood Science is the official journal of the Japan Wood Research Society. 
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