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Paper Title :
Statistical Optimization for Alkali Extraction of Xylan from Sugarcane Bagasse by Surface Response Methodology

Author :Saovanee Choojit, Panya Kamesak, Siripraphat Rayayoi, Sasithorn Saikaew

Article Citation :Saovanee Choojit ,Panya Kamesak ,Siripraphat Rayayoi ,Sasithorn Saikaew , (2018 ) " Statistical Optimization for Alkali Extraction of Xylan from Sugarcane Bagasse by Surface Response Methodology " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 42-47, Volume-6, Issue-4, Spl. Iss-2

Abstract : Xylan extraction from sugarcane bagasse was studied in lab-scale with NaOH and KOH solutions enhanced by thermal autoclaving and statistical optimization using response surface methodology. The raw sugarcane bagasse sample was analyzed for chemical components; cellulose, hemicellulose and lignin of 49.9, 28.6% and 21.5%, respectively. Then the extraction reaction was individually carried out with NaOH and KOH solutions by using statistical experimental design. Three independent variables, namely alkali concentration, extraction temperature and extraction time were investigated. First, NaOH extraction; the maximum experimental extracted xylan of 0.94 g (65.7% of original xylan) was obtained with NaOH solution concentration of 1.75 M, extraction temperature of 75°C and extraction time of 25 min. While KOH extraction; the maximum experimental extracted xylan of 0.78 g (54.5% of original xylan) was obtained with KOH solution concentration of 0.5 M, extraction temperature of 75°C and extraction time of 40 min. The extraction efficiency (%Ee) of xylan extraction from sugarcane bagasse by NaOH and KOH solutions was 18.8 and 15.6%, respectively. Keywords - Xylan, Sugarcane Bagasse, Alkali Extraction, Response Surface Methodology

Type : Research paper

Published : Volume-6, Issue-4, Spl. Iss-2


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-14810   View Here

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