Oxygen-rich vacant copper cerium catalyst for low-chlorine water body and preparation method and application thereof

Abstract

The application provides an oxygen-rich empty copper-cerium catalyst for low-chlorine water bodies and a preparation method and application thereof, and comprises the following steps: respectively arranging a copper ion solution and a cerium ion solution; then mixing the copper ion solution and the cerium ion solution to obtain a mixed metal solution; slowly adding a carbonate solution into the mixed metal solution while stirring, and continuing to stir and age to obtain a precipitate; and after the precipitate is subjected to centrifugation, cleaning, drying, grinding and calcination, a copper-cerium composite catalyst is obtained. The application uses a carbonate as a precipitant, and a copper-cerium catalyst with high catalytic activity is obtained by reasonably designing the composition of the catalyst and optimizing the preparation conditions. The cerium-based catalyst is used for catalyzing in-situ ozone oxidation of chlorine ions in water to generate active chlorine substances, so that efficient purification and safe utilization of pollutants in low-chlorine water bodies are realized.

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