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δ-MnO 2 coatings on clay substrates tend to be poorer in crystallinity as compared with their discrete counterparts, which may be of environmental significance for adsorption and oxidation of contaminants. Discrete δ-MnO 2 particles and three δ-MnO 2 -coated montmorillonite complexes with varying MnO 2 loadings (4.8–34.9%) were synthesized, and oxidative decolorization...
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