Effects of chemical treatments of agricultural wastes for production of cellulose by Trichoderma reesei
1994
Malini Tantiyaphon (King Mongkut's Institute of Technology Ladkrabang, Bangkok (Thailand). Faculty of Science)
Agricultural wastes, corn cobs and rice straw, were treated with chemical solvents such as chloroform, dioxane, ethanol and 2 percent hydrochloric acid for periods up to 36 h. The treated material were delignified, dried and used as inducing carbon sources in fermentation media for Trichoderma reesei. Pure cellulose powder and untreated materials were used in control media. Comparative study of two cellulosic wastes indicated that treated corn cobs with acidified solvent for the period of 8 h during 72 h of fermentation find an econocical use as an inducing carbon sources for higher cellulase producing by T. reesei than treated rice straw. The rice straw was mildly affected by mentioned solvents because of it high content of asmixture binding the cellulose.
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