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The effect of aging and heating treatments up to 500 K on alumina-supported CuCl 2 , i.e., the base catalyst for ethylene oxychlorination, has been investigated by UV–vis spectroscopy, a solubility test, EXAFS, XRD, and EPR in a wide range (0.25–9 wt%) of Cu concentration. It is shown that the catalyst undergoes significant changes with both time and thermal treatments, so accounting for some...
A complete catalytic cycle was performed on CuCl 2 /Al 2 O 3 catalyst for ethylene oxychlorination at 500 K. X-ray absorption near-edge spectroscopy, extended X-ray absorption fine structure, electron paramagnetic resonance, and IR of adsorbed CO were used to demonstrate that the ethylene oxychlorination reaction, C 2 H 4 +2HCl+1/2 O 2 →C 2 H...
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