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Molecules 2014, 19(12), 19633-19647; doi:10.3390/molecules191219633

Formation of Combustible Hydrocarbons and H2 during Photocatalytic Decomposition of Various Organic Compounds under Aerated and Deaerated Conditions

Institute of Chemical and Environment Engineering, West Pomeranian University of Technology, ul. Pułaskiego 10, 70–322 Szczecin, Poland
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Received: 1 September 2014 / Revised: 4 November 2014 / Accepted: 11 November 2014 / Published: 26 November 2014
(This article belongs to the Special Issue Photocatalysis)
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Abstract

A possibility of photocatalytic production of useful aliphatic hydrocarbons and H2 from various organic compounds, including acetic acid, methanol, ethanol and glucose, over Fe-modified TiO2 is discussed. In particular, the influence of the reaction atmosphere (N2, air) was investigated. Different gases were identified in the headspace volume of the reactor depending on the substrate. In general, the evolution of the gases was more effective in air compared to a N2 atmosphere. In the presence of air, the gaseous phase contained CO2, CH4 and H2, regardless of the substrate used. Moreover, formation of C2H6 and C3H8 in the case of acetic acid and C2H6 in the case of ethanol was observed. In case of acetic acid and methanol an increase in H2 evolution under aerated conditions was observed. It was concluded that the photocatalytic decomposition of organic compounds with simultaneous generation of combustible hydrocarbons and hydrogen could be a promising method of “green energy” production. View Full-Text
Keywords: photocatalysis; hydrocarbons; hydrogen; organic substrates; Fe/TiO2 photocatalysis; hydrocarbons; hydrogen; organic substrates; Fe/TiO2
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Mozia, S.; Kułagowska, A.; Morawski, A.W. Formation of Combustible Hydrocarbons and H2 during Photocatalytic Decomposition of Various Organic Compounds under Aerated and Deaerated Conditions. Molecules 2014, 19, 19633-19647.

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