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Catalysts 2012, 2(1), 56-67; doi:10.3390/catal2010056
Article

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

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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)
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Abstract

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.
Keywords: TiO2; lignocellulose; hydrolytic enzyme; simultaneous saccharification and fermentation process; hydrogen-evolution TiO2; lignocellulose; hydrolytic enzyme; simultaneous saccharification and fermentation process; hydrogen-evolution
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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