Radiocatalytic H2 production with gamma-irradiation and TiO2 catalysts

J. Jung; H. Jeong; H. Chung; M. Lee; J. Jin; K. Park

doi:10.1023/b:jrnc.0000011749.23836.75

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 258: Issue 3

Radiocatalytic H₂ production with gamma-irradiation and TiO₂ catalysts

Authors:

J. Jung

J. Jung Korea University Division of Environmental Science and Ecological Engineering 5-1 Anam-dong, Sungbuk-ku Seoul 136-701 Korea

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H. Jeong

H. Jeong Korea Atomic Energy Research Institute 150 Dukjin-dong, Yusong-gu, Taejon 305-353 Korea

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H. Chung

H. Chung Korea Atomic Energy Research Institute 150 Dukjin-dong, Yusong-gu, Taejon 305-353 Korea

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M. Lee

M. Lee Korea Atomic Energy Research Institute 150 Dukjin-dong, Yusong-gu, Taejon 305-353 Korea

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J. Jin

J. Jin Korea Atomic Energy Research Institute 150 Dukjin-dong, Yusong-gu, Taejon 305-353 Korea

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K. Park

K. Park Korea Atomic Energy Research Institute 150 Dukjin-dong, Yusong-gu, Taejon 305-353 Korea

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Pages:: 543–546

Online Publication Date:: 01 Nov 2004

Publication Date:: 17 Dec 2003

Article Category:: Research Article

DOI:: https://doi.org/10.1023/b:jrnc.0000011749.23836.75

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Abstract

Hydrogen gas (H₂) was produced by gamma-irradiation of pure water in the presence of various TiO₂ catalysts. Most catalysts used in this work largely enhanced the radiolytic decomposition of water and subsequent production of H₂. The different activity of catalysts was characterized by X-ray diffraction (XRD) patterns and by electron paramagnetic resonance (EPR) spectra. The addition of methanol as a sacrificing agent further increased the H₂ production by scavenging hydroxyl radicals and the scavenging activity was directly identified using an EPR/spin-trapping technique. Among the catalysts studied, nanosized TiO₂ (nTiO₂) showed an excellent activity in the production of H₂. Furthermore, the addition of EDTA instead of methanol largely increased the H₂ production. This is quite promising since waste compounds such as EDTA can be removed with concomitant H₂ production

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)