E3S Web Conf.
Volume 272, 20212021 International Conference on Environmental Pollution and Governance (ICEPG 2021)
|Number of page(s)||4|
|Section||Environmental Pollution and Pollution Monitoring and Control Technology|
|Published online||14 June 2021|
Study on catalytic removal of toluene by metal oxides derived from hydrotalcite
School of Materials Science and Environment, Beijing Institute of Technology Zhuhai, 519088 Zhuhai, China
* Corresponding author: email@example.com
Hydrotalcite (HT) precursor was synthesized by coprecipitation method, and the surface of HT precursor was modified. The mixed metal oxide (MO) catalyst was prepared by calcination of HT precursor, which was used to remove toluene from VOCs assisted by NTP technology. The catalytic performance of MO catalyst was investigated. The results show that the MO catalyst with good structure can be obtained after calcination of HT precursor before and after modification. The results of catalytic performance test showed that the initial concentration of toluene was 700 ppm, the gas flow rate was 600 mL/min, and the reaction time was 30 min, SIE of NTP was above 3.0 kJ/L, the toluene conversion rate reached above 90%. MO assisted NTP had better catalytic performance with lower energy consumption. The toluene treatment capacity per unit energy consumption increased from 15.3% to 20.6%, which had an increase of 34.6%.
© The Authors, published by EDP Sciences, 2021
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