Catalysts based on NaY zeolite for oxidative destruction of organic azo dyes in wastewater |
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| Authors: | M B Alekhina M V Papkova T V Kon’kova B I Kutepov |
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| Institution: | 1. D.I. Mendeleev Russian Chemical-Technological University, Moscow, Russia
2. Institute of Petrochemistry and Catalysis, Russian Academy of Sciences, Ufa, Russia
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| Abstract: | Samples of catalysts containing Ag+ and Co+2 cations were prepared on the basis of NaY granulated synthetic zeolite without binders by the ion-exchange method with the subsequent thermal treatment at 350–500°C. It was found that CoNaY samples are most catalytically active in the process of carmoisine oxidation by hydrogen peroxide in a weak alkaline medium (pH 8.5). |
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