Performance of bagasse as fiber resource in tissue paper manufacture

Document Type : Original Article

Authors

1 Chemistry Department, Faculty of Science, Helwan University, Helwan, Egypt

2 Cellulose and Paper Department, National Research Centre, 33 El Behooth St., Dokki, Giza, Egypt

3 Chemistry Department, Faculty of Science, Helwan University, Helwan, Egypt.

Abstract

This study investigates the quality and suitability of bagasse as raw material for tissue paper production in Egypt. Bagasse pulp (BP) was mixed with Softwood (SW) and Hardwood (HW) pulps with various compositions. The best blending ratio was studied. Various hand sheets properties were measured as dry tensile and wet tensile index, zeta potential, brightness, roughness, absorbency. chemical analysis and the effect of refining were also investigated. SEM was used to investigate the morphology of the prepared samples. The results showed that the improvement of tensile index of dry strength reached to 15.18% using bagasse in hand sheet by the sample (20 % SW + 20 % HW + 60 % BP), and the improvement in wet strength reached to 16.53 % at the sample (20% SW+ 80% BP). Bagasse pulp gave better result when refined at 250 rpm rather than hardwood which refined at 2500 rpm. The negative value of zeta potential of the mixed furnish was increased as the bagasse pulp percentage was increased, addition of additives decrease of the negative value of zeta potential. Paper roughness was decreased, the best improvement was appeared by the sample (20 % SW+60 % HW+ 20 % BP) it reached to 11.6 %. SEM analysis showed that the addition of bagasse kept the homogeneity of the sheet.

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