Abstract
AbstractIn this paper, dissolving pulp is produced from jute stick and jute fiber mixture in pre-hydrolysis soda-anthraquinone process. The overall pulp yield was 30.7 % with kappa number 14.8 at the conditions of 18 % alkali charge for 2 h cooking at 170 °C. The purity of the produced pulp was 94.1 % with residual pentosan content of 4.64 %, which improved to 95.3 % with residual pentosan content of 3.7 % by cold alkali extraction process. The prehydrolysis liquor from the jute stick – jute fiber mixture contained 5.07 % xylose, which was converted to furfural by varying H2SO4concentration, time and temperature. The maximum furfural yield (60.5 %) was obtained at the conditions of 0.1 N H2SO4for 60 min at 170 °C. Further increase of reaction parameter decreased furfural yield.
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