Abstract
To solve the scientific problem of efficient removal of singlet mercury from coal combustion flue gas, we propose to combine it with photocatalytic technology. We have successfully synthesized a novel photocatalytic material by growing iron oxide nanoparticles in situ on the surface of bismuth tungstate material and analyzed the physicochemical properties, chemical composition, morphological structure, and optical properties of the material by XRD, SEM, TEM, EPR, and UV characterization methods. Heterojunctions and oxygen vacancies were constructed to achieve efficient photocatalytic oxidative removal of singlet mercury. The mechanism of action of the enhanced photocatalytic performance is described to provide a feasible solution for the future preparation of photocatalytic materials with high catalytic activity.
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