Double-shelled hollow iron-encapsulated zeolite for enhanced mass transfer and reusability in persulfate activation †
Abstract
A double-shelled hollow iron-encapsulated zeolite (Fe2O3@H-ZSM-5@H-ZSM-5) catalyst was synthesized via a stepwise etchingrecrystallization strategy for persulfate activation. The unique double-shelled hollow architecture enhances mass transfer while ensuring ultra-low iron leaching and excellent structural stability, resulting in outstanding reusability.
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