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The catalysts, Fe-NaY, Co-NaY and Fe-Co-NaY, were prepared by ion-exchange of NaY through the wet method, and characterized. Their catalytic performance was evaluated for the hydroxylation of phenol between 30 and 90°C. The Fe-Co-NaY catalyst showed higher activity than either Fe-NaY or Co-NaY catalysts. The optimum temperature was found to be 70°C. The reaction conditions, phenol/H 2 O ...
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