NDLI: Acid Hydrolysis Optimization of Corn Cob As Raw Material for Xylitol Production

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Acid Hydrolysis Optimization of Corn Cob As Raw Material for Xylitol Production

Content Provider	Semantic Scholar
Author	Mardawati, Efri Herliansah, Herlin Matheus, A. Badruzaman, Ibad Wira, Dwi Wahyudha Andoyo, Robi Setiasih, Imas Siti Suryadi, Edy Sukarinah, Een Djali, Mohammad Rialita, Tita Cahyana, Yana
Copyright Year	2018
Abstract	Article history: Received 5 June 2018 Received in revised form 4 July 2018 Accepted 2 August 2018 Available online 29 December 2018 The aim of this study is to determine the optimum condition of corn cob hydrolysis in xylose production as a raw material of xylitol. The optimum condition was determined with maximization of xylose concentrations, the ratio of xylose-glucose concentrations, and minimization of acetic acid concentrations responses. The method used in this research was experimental research with Response Surface Methodology (RSM), particularly Central Composite Design (CCD), utilizing Design Expert 7.0.0 software which was performed at operating temperature of 121 oC using various reaction time (10-15 min) and concentration of sulfuric acid (2–6%). The result of this research showed that mathematical models were obtained in order to predict the concentration of xylose, the ratio of xylose-glucose concentration, acetic acid concentration in the hydrolysate and to optimize the process. The optimum condition of acid hydrolysis in multi-objective responses was obtained at 12.54 minutes hydrolysis time and 3.19% usage of sulfuric acid concentration. The optimum of xylose concentration, the ratio of xylose-glucose concentration, and acetic acid concentration found in the hydrolysate was 8.89 g/L; 1.06; and 1.27 g/L, respectively.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.akademiabaru.com/doc/ARMSV51_N1_P1_10.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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