Global Advanced Research Journal of Engineering, Technology and Innovation (GARJETI) SSN: 2315-5124 October 2012 Vol. 1(7), pp 155-161

Copyright © 2012 Global Advanced Research Journals   


Original Research Articles

Optimization of the fiber and physical properties of Sterculia Setigera as an alternative source of raw material for Pulp and paper making 

1Anyanwu, B.U, 2Olokode, O.S, 3Aiyedun, P.O, 4Owoeye F.T, 5Oyeleke Y.T. 

1-5Federal University of Agriculture, Abeokuta. Mechanical Engineering Department.

Corresponding author Email: 

Accepted 24 August 2012


The fiber and physical properties of pulps and papers made from Sterculia setigera, a tropical hardwood specie and also an agricultural residue were investigated. The tree was sourced locally and then debarked. Thereafter, the debarked trunk was chopped into chips of average lengths ranging from 0.3cm to 0.6cm. These chips were gathered and then measured into weights in grammes of 100’s. Variable percentage (20%, 40%, 60%, 80%) concentrations of sodium hydroxide (NaOH) were used to pulp different specimens of chips of fixed weights (100g), at a constant time of two (2) hours. The resultant pulps were bleached with 100ml of hydrogen peroxide, H2O2 and 5 spoons full of titanium oxide, TiO4 to improved its brightness. Fiber characteristics and other physical properties of the pulps were obtained and hand-made writing papers were made from these pulps. Finally, different tests in accordance with the Technical Association of Pulp and Paper Industry (TAPPI), U.S.A were carried on the resultant papers and their results compared to those obtained in commercial writing papers. The results compares favorably with those stipulated by TAPPI (1990) and with properties of machine produced commercial writing papers available in Nigeria. 

Keywords: Sterculia setigera, Pulp, Paper making, Handmade, Fiber, Ash.

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