Hydroxyl‑Mediated SO2 Promotion Enables Efficient NOx Reduction by CO over IrIn/Beta under Oxygen‑Ri

Hydroxyl‑Mediated SO2 Promotion Enables Efficient NOx Reduction by CO over IrIn/Beta under Oxygen‑Rich Conditions

Removing NOx from oxygen-rich industrial flue gas is difficult, especially with SO2 present. An IrIn/Beta catalyst turns SO2 into ammonium sulfate intermediates, promoting NOx high removal under harsh simulated industrial conditions.

https://www.nature.com/articles/s41467-026-76010-8 nature.com

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