LOW-TEMPERATURE CATALYTIC OXIDATION OF WHITE SPIRIT VAPOR IN AIR BY BINARY OXIDES OF CUO-MNOₓ SUPPORTED ON OMS-2 MATERIAL
DOI:
https://doi.org/10.55766/sujst-2024-06-e04701Keywords:
VOCs, White spirit, Catalytic oxidation, OMS-2, Binary oxidesAbstract
White spirit is mainly used as a solvent which contains volatile organic compounds (VOCs) that contribute to air pollution and pose health risks. In this study, the binary oxides of manganese and copper were prepared through a facile impregnation of the corresponding salts on a octahedral molecular sieve (OMS-2) and γ-Al2O3 was prepared via hydrothermal and calcination methods. The characteristics of materials were determined by BET, EDX, FTIR, XRD, and SEM analyses. Among the catalysts, CuO-MnOₓ/OMS-2 containing Cu/Mn mole ratio at 6:4, and the weight ratio of CuO and MnO with OMS-2 of 15 wt% provided the best performance for VOC removal, with an efficiency of 95%. Additionally, a durability test of the CuO-MnOₓ/OMS-2 catalyst showed that it can be a potential catalyst for low-temperature oxidation of VOCs in air.
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