Journal of Inorganic Materials, Volume. 37, Issue 10, 1065(2022)
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2. Schematic illustration of denitration activity evaluation device
3. (a) SCR activity of CPF, CPM, CPA, and HAP, and sulfur resistance test of CPF and (b) stability test of CPF
5. (a) N2 adsorption-desorption isotherms and (b) pore size distributions of CPF, CPM, and CP
Table 1. Activity comparison of different catalysts
View tableView in ArticleTable 1. Activity comparison of different catalysts
Catalyst Preparation method NO conversion/% Temperature and condition Ref. Mn-HAP Co-preparation 62.60 140 ℃, 200×10-6 SO2, 2 h This research NB-C-P Hydrothermal 45.00 150 ℃, 250×10-6 SO2, 2 h [ 20 ]MnO2 Oxalic acid co-precipitation 17.65 150 ℃, 200×10-6 SO2, 2 h [ 21 ]MnCrOx Hydrothermal redox reaction 37.46 150 ℃, 50×10-6 SO2, 2 h [ 22 ]
Table 2. Physical parameters of fresh catalysts and toxic catalysts
View tableView in ArticleTable 2. Physical parameters of fresh catalysts and toxic catalysts
Sample Specific area/ (m2·g-1) Pore volume/ (cm3·g-1) Average pore size/nm CPF 153.6 0.5500 13.49 CPM 117.3 0.4600 14.11 CPA 133.2 0.4300 11.57
Table 3. XPS results of Mn and O on the surface of fresh catalysts and toxic catalysts
View tableView in ArticleTable 3. XPS results of Mn and O on the surface of fresh catalysts and toxic catalysts
Sample O Mn Olatt/O Oads/O Oads/Olatt Mn2+/Mn Mn3+/Mn Mn4+/Mn CPF 0.9050 0.0950 0.1050 0.06510 0.1670 0.7300 CPM 0.9210 0.0790 0.0860 0.10000 0.5900 0.3100 CPA 0.8760 0.1230 0.1410 0.13500 0.2240 0.6410
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Yaling CHEN, Song SHU, Shaoxin WANG, Jianjun LI.
Paper Information
Category: RESEARCH ARTICLE
Received: Jan. 13, 2022
Accepted: --
Published Online: Jan. 12, 2023
The Author Email: Jianjun LI (jjli@scu.edu.cn)
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