Research on the complete oxidation of volatile aromatic compounds based on cobalt oxide based catalysts

Hiep Vu; Hung Khong; Hung Do; Hung Nguyen; Thang Le

doi:10.62239/jca.2025.005

Authors

Vu Duc Hiep School of Chemistry and Life Sciences, Hanoi University of science and technology, 1 Dai Co Viet Road, Hanoi, Vietnam
Khong Manh Hung Institute for Chemistry and Material, Academy of Military Science and Technology, 17 Hoang Sam, Hanoi, Vietnam
Do Van Hung College of Trade, Economics and Techniques, 128A Ho Tung Mau Street, Hanoi, Vietnam
Nguyen Thanh Hung School of Chemistry and Life Sciences, Hanoi University of science and technology, 1 Dai Co Viet Road, Hanoi, Vietnam
Le Minh Thang School of Chemistry and Life Sciences, Hanoi University of science and technology, 1 Dai Co Viet Road, Hanoi, Vietnam

DOI:

https://doi.org/10.62239/jca.2025.005

Keywords:

Toluen, MnCoCe oxide, NiCo oxide, cordierite, total oxidation

Abstract

VOCs are a group of compounds that have negative impacts on the environment and humans. VOCs can be treated by many methods, notably the catalytic oxidation method. In this study, the synthetic catalysts were MnCoCe oxide and NiCo oxide supported on cordierite. The typical analytical methods used include SEM EDX, XRD, N₂ adsorption-desorption isotherms, TPD-O₂, and TPR-H₂. GC and GC-MS were used to analyze the gas composition. The catalyst has high activity at temperatures above 300 ^oC. MnCoCe oxide/cordierite completely converts toluene with 100% selectivity to CO₂ at 350 ^oC. NiCo oxide/cordierite has lower activity, converting 80% toluene with 100% CO₂ selectivity.

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