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The Second China Energy Scientist Forum (CESF 2010 E-BOOK)

Xuzhou,China,10.18-10.19，2010

ISBN: 978-1-935068-37-2 Scientific Research Publishing, USA

E-Book 2244pp Pub. Date: October 2010

Category: Medicine & Healthcare

Price: $360

Title: Study on Fuel Ethanol Production on Pilot Scale from Corncob Using the Process of Dilute Acid Pretreatment and Separated Saccharification and Fermentation
Source: The Second China Energy Scientist Forum (CESF 2010 E-BOOK) (pp 1345-1349)
Author(s): Yuxiao Wang, Xuzhou Engineering Research Center of Bio fuel, Xuzhou Institute of Technology, Xuzhou, Jiangsu, China, 221008
Fengjuan Ge, Xuzhou Engineering Research Center of Bio fuel, Xuzhou Institute of Technology, Xuzhou, Jiangsu, China, 221008
Jie Zhu, Xuzhou Engineering Research Center of Bio fuel, Xuzhou Institute of Technology, Xuzhou, Jiangsu, China, 221008
Yiting Sun, Xuzhou Engineering Research Center of Bio fuel, Xuzhou Institute of Technology, Xuzhou, Jiangsu, China, 221008
Linlin Zhou, Xuzhou Engineering Research Center of Bio fuel, Xuzhou Institute of Technology, Xuzhou, Jiangsu, China, 221008
Chao Yuan, Xuzhou Engineering Research Center of Bio fuel, Xuzhou Institute of Technology, Xuzhou, Jiangsu, China, 221008
Jing Wang, Faculty of Chemical Science & Engineering, China University of Petroleum, Beijing, Chi na, 102249
Abstract: The aim of this study was to achieve the optimum process parameters for fuel ethanol production on pilot scale from corncob. After the optimization of orthogonal experiment, the process configuration including dilute acid pretreatment and separated saccharification and fermentation(SHF) was obtained: the optimum pretreatment were at 120℃ for 3hours with 1.1% sulphuric acid as well as solid-to-liquid ratio=1:8, and the optimum enzymatic hydrolysis were at initial pH5.0 and 48℃ for 48hours with FPA(IU·mL-1):CBA(IU·mL-1)=20:7 and 180g·L-1 substrate produced by pretreatment. The maximum ethanol concentration in the enzymatic hydrolyzates fermentation by Zymomonas mobilis at 35℃ for 48hours reached 67.8g·L-1.
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