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Alkaline Pulping And Bleaching Of Acacia Auriculiformis Grown In Bangladesh, M. Sarwar Jahan, Rowshan Sabina, Arjumand Rubaiyat
Alkaline Pulping And Bleaching Of Acacia Auriculiformis Grown In Bangladesh, M. Sarwar Jahan, Rowshan Sabina, Arjumand Rubaiyat
Turkish Journal of Agriculture and Forestry
The physical, chemical, and morphological characteristics of Acacia auriculiformis were evaluated in terms of its suitability for papermaking. The fiber length (1.1 mm) of A. auriculiformis in this study was within the range of tropical hardwoods. The lignin content in A. auriculiformis was 19.4% and \alpha-cellulose 44.1%, which was within the range of other acacias, but that of extractives was higher. Soda, soda-AQ, and kraft processes were studied in pulping. Screened pulp yield was increased with increasing active alkali. Acceptable pulp yield (43%-44%) and kappa number (22-24) were obtained at 20% alkali and 2.5 h of cooking in soda, 16% …