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Cited by 383

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Boosting Toluene Combustion by Engineering Co–O Strength in Cobalt Oxide Catalysts

Shen, Yongjie, Deng, Jiang, Impeng, Sarawoot, Li, Shuangxi, Yan, Tingting, Zhang, Jianping, Shi, Liyi, Zhang, Dengsong·2020·Environmental Science & Technology

Abstract

Exploring active and low-cost transition metal oxides (TMOs) based catalysts for volatile organic compounds (VOCs) abatement is vital for air pollution control technologies. Since 18 oxygen atoms are required for the complete mineralization of a toluene molecule, the participation of a large amount of active oxygen is a key requirement for the catalytic oxidation of toluene. Here, toluene degradation was improved by weakening the Co–O bond strength on the surface of cobalt oxide, so as to increase the amount of active oxygen species, while maintaining the high stability of the catalyst for toluene combustion. The bond strength of Co–O and the amount of surface active O 2 was regulated by tuning the pyrolysis temperature. The catalyst’s redox ability and surface oxygen species activity are improved due to the weakening of the Co–O bond strength. It has been demonstrated that active oxygen plays a crucial role in boosting toluene combustion by engineering Co–O strength in cobalt oxide catalysts. This work provides a new understanding of the exploration and development of high-performance TMO catalysts for VOCs abatement.

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Metadata

Authors
Shen, Y., Deng, J., Impeng, S., Li, S., Yan, T., Zhang, J., Shi, L., & Zhang, D.
Venue
Environmental Science & Technology
Published
2020-07-15
Volume
54
Issue
16
Pages
10342-10350
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W3043035530
Cited by
383
References
1
FWCI
13.33
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Boosting Toluene Combustion by Engineering Co–O Strength in Cobalt Oxide Catalysts. https://app.cochat.ai/papers/10.1021/acs.est.0c02680
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Shen, Y., Deng, J., Impeng, S., Li, S., Yan, T., Zhang, J., Shi, L., & Zhang, D. (2020). Boosting Toluene Combustion by Engineering Co–O Strength in Cobalt Oxide Catalysts. Environmental Science & Technology. https://doi.org/10.1021/acs.est.0c02680

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