Pyrite-Based Catalyst

CO Reduction of SO2 to Sulfur

Achieves efficient catalytic reduction of SO2 via three-phase dynamic transformation and S-vacancy regulation, with tunable active component structure.

Tian, Yeshun · Zhou, Xing · Lin, Mingxing · Zhang, Jian · Wang, Wenlong · Song, Zhanlong · Zhao, Xiqiang

Chemosphere 2023

Advantages

Reaction onset temperature of FeS2 with CO at approximately 525 °C

Catalytic reduction of SO2 via dynamic transformation of FeS2, Fe7S8, and FeS phases

S-vacancy formation is the key step