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Cupric Ion Substitution-Induced Reverse Electron Flow to Secure Enhanced Poisoning Resistance in Catalytic Ozonation of Odor CH3SH
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DOI：10.1016/j.apcatb.2026.126903.png)
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Abstract
En 中文
• The Cu0.34Ni0.66Fe2O4/NF monolithic catalyst was developed by cation substitution at tetrahedral sites of NiFe2O4. • Cu2+-induced reverse electron flow stabilized high-spin Fe3+ for enhanced O3 activation. • High-to-low spin transition of Fe3+ upon CH3SH adsorption promoted intermediate desorption and anti-poisoning. • Relay oxidation at Cu2+ sites sustained charge cycling for efficient and durable CH3SH removal.
Keywords:
Cu0.34Ni0.66Fe2O4
reverse electron flow
Fe3+ spin state
CH3SH oxidation
poisoning resistance
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