Abstract

By supporting NiFe2O4 onto montmorillonite, the highly active and reusable catalyst for methyl violet oxidation was obtained. By using XRD, TEM, XPS, and VSM analyses, it is obtained that the concentration of precursor was a controlling factor to determine the specific surface area, NiFe2O4 particle size, and magnetism. It is found that adsorption influences the catalytic activity enhancement and the stability of catalysts.

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