Separation of cellulose from peanut hulls using liquid phase oxidation
Peanuts (Arachis hypogaea) are a common food source and the hulls are still not widely utilized so far. The purpose of this research was to study the separation of cellulose from peanut hulls using liquid phase oxidation method. The Box-Behnken experimental design with Response Surface Methodology has been used in optimization of this process. Three factors were studied during optimization of the separation. They are mixing ratio of sample and hydrogen peroxide as the oxidizing agent (10%, 15% 20%), oxidation temperature (40┬░C, 60┬░C, 80┬░C), and oxidation time (12 hour, 18 hour, 24 hour). The result showed only oxidation temperature and oxidation time that had significant effect to the cellulose separated by following quadratic model. Based on the model, the most optimum parameters for separating cellulose using liquid phase oxidation are 79.48┬░C and 12 hour period, with mixing ratio considered as 15%.
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