Abstract
Abstract Synthesis and characterization of copper catalysts: application to the oxidation of phenol. The catalytic oxidatin of organic pollution has already been treated several publications reporting the use of ozone, air or hydrogen peroxide as oxidants. These systems require very severe conditions of temperature and pressure. It was thus useful to develop active, stable and inexpensive oxidizing systems. For this purpose we prepared catalysts by impregnation of copper on a natural clay; these catalysts were characterized, then used in the reaction of oxidation of phenol in the presence of hydrogen peroxide, at atmospheric temperature and pressure. The results showed a very significant activation of hydrogen peroxide by the catalyst, the phenol depletion percentage reaching 65 % after 4 h, and very significant stability of the catalyst.
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