USE OF SOME CATALYSTS IN RADIOLYTICAL SPLIT OF WATER
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Date
2002
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Abstract
The present paper deals with the study of catalyzed water radiolysis under the influence of γ-rays emitted by a 60Co source (Λ = 3 × 104 Ci) with a dose rate of 8.3 kGy/h, for hydrogen production. Thirty-one solid inorganic compounds, insoluble in water, were tested as catalysts. They belong to: coordination compounds of some metallic ions with organic ligands based on salycilaldehyde or naphthalenaldehyde derivatives, mixed oxides, RhCl3 supported on a Al2O 3 layer and bimetallic compounds with EDTA ligand. The released hydrogen quantity, determined by mass spectrometry, was approximately 7-35 times greater than the one produced by simple radiolysis of water, in the absence of catalysts.
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Keywords
Engineering controlled terms Aromatic hydrocarbons, derivatives, Gamma rays, irradiation, Mass spectrometry, Nuclear reactors, Radiolysis, Water Engineering uncontrolled terms Bimetallic compounds, Ionizing nuclear radiations, Irradiation distance, Solid inorganic compounds Engineering main heading Catalysts
Citation
CECAL, Alexandru, PARASCHIVESCU, Andrei, GULEA, Aurelian, PALAMARU, Mircea, IORDAN, Alexandra, POPA, Karin, CRAUS, Mihai. Use of some catalysts in radiolytical split of water. În: Revue Roumaine de Chimie, 2002, vol. 47, pp. 165-172. ISSN 0035-3930