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Optimization of Microwave-Based Heating of Cellulosic Biomass Using Taguchi Method
Department of Electrical Engineering, National Taipei University of Technology, 1, Sec. 3, Chung Hsiao E. Rd., Taipei 10608, Taiwan
GTI-GreenTech International Co., Ltd., Taipei 10608, Taiwan
* Authors to whom correspondence should be addressed.
Received: 15 May 2013; in revised form: 29 July 2013 / Accepted: 1 August 2013 / Published: 9 August 2013
Abstract: This study discusses the application of microwave-based heating for the pretreatment of biomass material, with Pennisetum purpureum selected for pretreatment. The Taguchi method was used to plan optimization experiments for the pretreatment parameter levels, and to measure the dynamic responses. With a low number of experiments, this study analyzed and determined a parameter combination in which Pennisetum purpureum can be rapidly heated to 190 °C. The experimental results suggested that the optimal parameter combination is: vessel capacity of 150 mL (level 2), heating power of 0.5 kW (level 1), and mass of Pennisetum purpureum of 5 g (level 1). The mass of Pennisetum purpureum is a key factor affecting system performance. An eight-order ARX model (Auto-Regressive eXogeneous) was representative of the actual system performance, and the fit was 99.13%. The results proved that microwave-based heating, with the assistance of the Taguchi method for pretreatment of the biomass material, can reduce the parameter combination variations.
Keywords: microwave-based heating; biomass material; pretreatment; taguchi method; Pennisetum purpureum; system Identification
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MDPI and ACS Style
Tseng, K.-H.; Shiao, Y.-F.; Chang, R.-F.; Yeh, Y.-T. Optimization of Microwave-Based Heating of Cellulosic Biomass Using Taguchi Method. Materials 2013, 6, 3404-3419.
Tseng K-H, Shiao Y-F, Chang R-F, Yeh Y-T. Optimization of Microwave-Based Heating of Cellulosic Biomass Using Taguchi Method. Materials. 2013; 6(8):3404-3419.
Tseng, Kuo-Hsiung; Shiao, Yong-Fong; Chang, Ruey-Fong; Yeh, Yu-Ting. 2013. "Optimization of Microwave-Based Heating of Cellulosic Biomass Using Taguchi Method." Materials 6, no. 8: 3404-3419.