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Hydrogen Evolution from Napiergrass by the Combination of Biological Treatment and a Pt-Loaded TiO2-Photocatalytic Reaction

1
Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki, Gakuen-Kibanadai Nishi, Miyazaki 889-2192, Japan
2
Department of Biological Production and Environmental Science, Faculty of Agriculture, University of Miyazaki, Gakuen-Kibanadai Nishi, Miyazaki 889-219, Japan
*
Author to whom correspondence should be addressed.
Catalysts 2012, 2(1), 56-67; https://doi.org/10.3390/catal2010056
Received: 11 November 2011 / Revised: 1 December 2011 / Accepted: 12 December 2011 / Published: 22 December 2011
(This article belongs to the Special Issue Catalysts for Biomass Conversion)
Ethanol and pentose were produced from lignocellulosic napiergrass by the simultaneous saccharification and fermentation process (SSF) using hydrolytic enzyme and S. Cerevisiae. After the ethanol was removed, the pentose solution was subjected to photocatalytic hydrogen evolution with Pt-loaded TiO2 under UV-irradiation. This process converted 100 g of napiergrass into 12.3 g of ethanol and 1.76 g of hydrogen whose total combustion energy of (H) was 615 kJ. This was close to the H (639 kJ) of the pentose (13.6 g) and hexose (27.4 g) obtained by the cellulose-saccharification of 100 g of napiergrass. View Full-Text
Keywords: TiO2; lignocellulose; hydrolytic enzyme; simultaneous saccharification and fermentation process; hydrogen-evolution TiO2; lignocellulose; hydrolytic enzyme; simultaneous saccharification and fermentation process; hydrogen-evolution
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Shiragami, T.; Tomo, T.; Tsumagari, H.; Ishii, Y.; Yasuda, M. Hydrogen Evolution from Napiergrass by the Combination of Biological Treatment and a Pt-Loaded TiO2-Photocatalytic Reaction. Catalysts 2012, 2, 56-67.

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