Investigation into the impact of CeO₂ morphology regulation on the oxidation process of dichloromethane.

51,52 As the reaction temperature increases and oxygen diffuses through the surface lattice, the Cl species adsorbed on the catalyst surface gradually desorb, leading to a restoration of the activities of the various CeO 2 catalyst morphologies, with an increasing trend.

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As the WHSV increases from 20 000 mL g −1 h −1 to 60 000 mL g −1 h −1 , a decreasing trend is observed in the activity of CeO 2 -s catalysts.

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