Radiolytic Output of Hydrogen as Environmentally Friendly Energy Vector

Hauta, Oana Roxana; Macovei, Ada; Apostolescu, Gabriela; Ganju, Dumitru; Cecal, Alexandru

doi:10.30638/eemj.2009.013

Cited by 3 publications

(2 citation statements)

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“…A variety of recent studies have shown that the radiolysis of water at the interface of solid nanoparticles is very interesting from a fundamental science aspect. − Water exposed to ionizing radiation will decompose into a number of radical and molecular products (e aq – , H • , OH • , HO 2 • , H 2 O 2 , and H 2 ) . Solid surfaces often alter the yield of products from water radiolysis as compared to the bulk liquid.…”

Section: Introductionmentioning

confidence: 99%

Radiolysis of Water on ZrO₂ Nanoparticles

2012

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The radiolysis of water adsorbed on the surface of ZrO2 nanoparticles has been examined using a variety of spectroscopic techniques. Irradiations were performed with fast electrons, γ rays, and 5 MeV helium ions. Infrared spectroscopic analysis of the surface reveals little change in the surface stoichiometry, which probably indicates the relative insensitivity of this technique to the doses given. X-ray photoelectron spectroscopy reveals a loss in the relative number of terminal OH groups on the surface with radiolysis. The maximum production of excess H2 is found when a single water layer or less is adsorbed on the terminal OH surface layer. Little or no H2 seems to come from the surface-bound OH groups.

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Section: Introductionmentioning

confidence: 99%

Radiolysis of Water on ZrO₂ Nanoparticles

2012

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“…The experiments proceeded as it follows (Cecal et al, 2008;Hauta et al, 2009): different amounts of each catalyst were weighed and introduced in 50 ml bottles, over which 30 ml distilled water were added. Then the glass vials were sealed with rubber cork, paraphyned outside and subjected to various doses of radiation energy.…”

Section: Experimental Partmentioning

confidence: 99%

Nuclear Power - Deployment, Operation and Sustainability

Tsvetkov¹

2011

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We are fortunate to live in incredibly exciting and incredibly challenging time. The world is rapidly growing; country economies developing at accelerated growth rates, technology advances improve quality of life and become available to larger and larger populations. At the same time we are coming to a realization that we are responsible for our planet. We have to make sure that our continuous quest for prosperity does not backfire via catastrophic irreversible climate changes, and depleted or limited resources that may challenge the very existence of future generations. We are at the point in our history when we have to make sure that our growth is sustainable. Energy demands due to economic growth and increasing population must be satisfied in a sustainable manner assuring inherent safety, efficiency and no or minimized environmental impact. New energy sources and systems must be inherently safe and environmentally benign.These considerations are among the reasons that lead to serious interest in deploying nuclear power as a sustainable energy source. Today's nuclear reactors are safe and highly efficient energy systems that offer electricity and a multitude of co-generation energy products ranging from potable water to heat for industrial applications. At the same time, catastrophic earthquake and tsunami events in Japan resulted in the nuclear accident that forced us to rethink our approach to nuclear safety, design requirements and facilitated growing interests in advanced nuclear energy systems, next generation nuclear reactors, which are inherently capable to withstand natural disasters and avoid catastrophic consequences without any environmental impact. This book is one in a series of books on nuclear power published by InTech. It consists of six major sections housing twenty chapters on topics from the key subject areas pertinent to successful development, deployment and operation of nuclear power systems worldwide:

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