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Production, bleaching and characterization of pulp from Stipa tenacissima

Abstract : Alfa grass pulping was successfully performed in hydro-organic acid medium under mild conditions (107°C, atmospheric pressure, cooking time: 3 h). Use of an acetic acid/formic acid/water mixture as pulping liquor was perfectly suitable for selective isolation of pulp, lignin, and hemicelluloses. The unbleached pulp obtained in good yield was first delignified by peroxyacids in organic acid medium and then bleached with hydrogen peroxide in a basic medium to give pulp offering good physico-chemical and mechanical characteristics.
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Submitted on : Wednesday, October 30, 2013 - 4:20:01 PM
Last modification on : Monday, July 4, 2022 - 9:25:32 AM
Long-term archiving on: : Friday, January 31, 2014 - 5:25:27 AM

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Houcine Ammar, Fatma Abdelkafi, Souhir Abid, Bouchra Benjelloum-Mlayah, Rachid El Gharbi, et al.. Production, bleaching and characterization of pulp from Stipa tenacissima. Chemistry of Natural Compounds, Springer Verlag, 2012, vol. 48, pp. 99-102. ⟨10.1007/s10600-012-0167-7⟩. ⟨hal-00878707⟩

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