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Hydrogen production in aqueous sulfuric acid solutions containing an oxide induced by $$gamma$$-ray irradiation

Yamada, Reiji; Nagaishi, Ryuji ; Hatano, Yoshihiko; Yoshida, Zenko

Hydrogen production under $$gamma$$-ray irradiation in aqueous sulfuric acid solutions that contained oxide fine particles such as alpha-Al$$_{2}$$O$$_{3}$$, TiO$$_{2}$$2, ZrO$$_{2}$$, SiO$$_{2}$$ or SiO$$_{2}$$*nH$$_{2}$$O was investigated using Co-60 $$gamma$$-rays. The dependencies of sulfuric acid concentration, oxide species, and amount of added oxide powder on hydrogen production rate were studied. The experimental results show that the rate was strongly increased with the amount of added oxide powder, and that the rate exhibited each sulfuric acid concentration dependency peculiar to each oxide powder.

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