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Volume 15
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10.3390/atmos15111301
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Article

Simultaneous Catalytic Oxidation of Benzene and Toluene over Pd-CeZrOx Catalysts

by
Xin Xing
1,
Yixin Wang
1,
Meiping Hao
2,
Zhe Li
1,
Dandan Liu
1 and
Kezhou Yan
2,*
1
College of Environment and Resources, Taiyuan University of Science and Technology, Taiyuan 030024, China
2
Institute of Resources and Environmental Engineering, Shanxi University, Taiyuan 030031, China
*
Author to whom correspondence should be addressed.
Atmosphere 2024, 15(11), 1301; https://doi.org/10.3390/atmos15111301
Submission received: 15 October 2024 / Revised: 25 October 2024 / Accepted: 28 October 2024 / Published: 29 October 2024
(This article belongs to the Special Issue Emission Characteristics and Control Technology of Volatile Organic Compounds)
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Abstract

Since actual industrial emissions contain a wide range of volatile organic compounds, studies into the simultaneous catalytic degradation of multi-component VOCs are essential. This work developed Pd-CeZrOx samples for the simultaneous elimination of benzene and toluene. Firstly, CeZrOx supports were synthesized using several methods (co-precipitation, CTAB template co-precipitation, and sol–gel method). Pd active species were then added into the 1.0Pd-CeZrOx samples using the impregnation procedure. XRD, BET, NH3-TPD, Raman, EPR, XPS, and H2-TPR were utilized to analyze the as-prepared Pd-CeZrOx samples. The catalytic performance tests reveal that the performance of 1.0Pd-CeZrOx-CTAB outperforms that of 1.0Pd-CeZrOx-PM and 1.0Pd-CeZrOx-CASG, and 1.0Pd-CeZrOx-CTAB displays superior catalytic activity for both benzene and toluene oxidation. The improved redox properties, the abundant surface oxygen vacancies, and the surface Pd2+ species of the 1.0Pd-CeZrOx-CTAB sample may be responsible for the simultaneous degradation activity of benzene and toluene.
Keywords: VOCs; benzene and toluene; simultaneous catalytic oxidation; Pd-CeZrOx VOCs; benzene and toluene; simultaneous catalytic oxidation; Pd-CeZrOx

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MDPI and ACS Style

Xing, X.; Wang, Y.; Hao, M.; Li, Z.; Liu, D.; Yan, K. Simultaneous Catalytic Oxidation of Benzene and Toluene over Pd-CeZrOx Catalysts. Atmosphere 2024, 15, 1301. https://doi.org/10.3390/atmos15111301

AMA Style

Xing X, Wang Y, Hao M, Li Z, Liu D, Yan K. Simultaneous Catalytic Oxidation of Benzene and Toluene over Pd-CeZrOx Catalysts. Atmosphere. 2024; 15(11):1301. https://doi.org/10.3390/atmos15111301

Chicago/Turabian Style

Xing, Xin, Yixin Wang, Meiping Hao, Zhe Li, Dandan Liu, and Kezhou Yan. 2024. "Simultaneous Catalytic Oxidation of Benzene and Toluene over Pd-CeZrOx Catalysts" Atmosphere 15, no. 11: 1301. https://doi.org/10.3390/atmos15111301

APA Style

Xing, X., Wang, Y., Hao, M., Li, Z., Liu, D., & Yan, K. (2024). Simultaneous Catalytic Oxidation of Benzene and Toluene over Pd-CeZrOx Catalysts. Atmosphere, 15(11), 1301. https://doi.org/10.3390/atmos15111301

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