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Methane combustion was performed over a series of copper chromites (CuCr2O4) catalysts prepared by the sol–gel process (SG). The results were compared with those obtained over commercial CuCr2O4. The samples were characterised by elemental analysis, thermal analysis, X-ray diffraction and X-ray photoelectron spectroscopy (XPS). The as-synthesised CuCr2O4 sample exhibited higher specific surface area...
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