The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.
Potassium-modulated δ-MnO2 as robust catalysts for formaldehyde oxidation at room temperature
Abstract
Abstract Engineering MnO2 with rich surface active oxygen species is critical to effectively eliminate formaldehyde (HCHO) under mild conditions. Herein, we introduced a facile redox method to fabricate a series of δ-MnO2 samples by varying the concentration of K+, which efficiently modulated the layer size, morphology, crystallinity, redox properties, and thus the surface active oxygen species of the obtained δ-MnO2. The medium potassium concentration led to the optimized Mn O bond strength, the abundant surface active oxygen species, and the complete conversion of ca. 22 ppm HCHO at 30 °C under a weight hourly space velocity (WHSV) of 200,000 mL/(gcat h). Surface adsorbed oxygen species (e.g., O2− and O−) and surface hydroxyl groups, were suggested to oxidize HCHO into intermediates (i.e., DOM, formate, and carbonate species). Water was critical for further transforming the intermediates into CO2. A Langmuir-Hinshelwood (LH) mechanism was proposed involving in the whole oxidation process.
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Cites
Formaldehyde in the Indoor Environment
Salthammer, T., Mentese, S., & Marutzky, R. (2010) · Chemical Reviews · doi:10.1021/cr800399g · Cited by 1,808
Zhang, C., Liu, F., Zhai, Y., Ariga, H., Yi, N., Liu, Y., Asakura, K., Flytzani‐Stephanopoulos, M., & He, H. (2012) · Angewandte Chemie International Edition · doi:10.1002/anie.201202034 · Cited by 739
Characterization of the manganese oxide produced by pseudomonas putida strain MnB1
Villalobos, M., Toner, B., Bargar, J., & Sposito, G. (2003) · Geochimica et Cosmochimica Acta · doi:10.1016/s0016-7037(03)00217-5 · Cited by 680
Santos, V. P., Pereira, M. F. R., Órfão, J. J. M., & Figueiredo, J. L. (2010) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2010.07.007 · Cited by 649
Wang, J., Li, J., Jiang, C., Zhou, P., Zhang, P., & Yu, J. (2017) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2016.11.036 · Cited by 485
Room-Temperature Oxidation of Formaldehyde by Layered Manganese Oxide: Effect of Water
Wang, J., Zhang, P., Li, J., Jiang, C., Yunus, R., & Kim, J. (2015) · Environmental Science & Technology · doi:10.1021/acs.est.5b02085 · Cited by 383
Zhu, X., Gao, X., Qin, R., Zeng, Y., Qu, R., Zheng, C., & Tu, X. (2015) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2015.01.032 · Cited by 338
Oxidative decomposition of formaldehyde by metal oxides at room temperature
Sekine, Y. (2002) · Atmospheric Environment · doi:10.1016/s1352-2310(02)00670-2 · Cited by 323
Study of structural defects in γ‐MnO2 by Raman spectroscopy
Julien, C., Massot, M., Rangan, S., Lemal, M., & Guyomard, D. (2002) · Journal of Raman Spectroscopy · doi:10.1002/jrs.838 · Cited by 322
Construction of MnO2/Monolayer g-C3N4 with Mn vacancies for Z-scheme overall water splitting
Mo, Z., Xu, H., Chen, Z., She, X., Song, Y., Lian, J., Zhu, X., Yan, P., Lei, Y., Yuan, S., et al. (2019) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2018.08.073 · Cited by 315
Metadata
- Authors
- Ji, J., Lu, X., Chen, C., He, M., & Huang, H.
- Venue
- Applied Catalysis B: Environmental
- Publisher
- Elsevier BV
- Published
- 2020-01
- Volume
- 260
- Pages
- 118210
- ISSN
- 0926-3373 (ISSN-L)
- OpenAlex
- W2973928837
- Cited by
- 284
- References
- 45
- FWCI
- 10.68
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ji, J., Lu, X., Chen, C., He, M., & Huang, H. (2020). Potassium-modulated δ-MnO2 as robust catalysts for formaldehyde oxidation at room temperature. Applied Catalysis B: Environmental. https://doi.org/10.1016/j.apcatb.2019.118210
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
