Highly efficient MnOx/biochar catalysts obtained by air oxidation for low-temperature NH3-SCR of NO
文献类型：期刊论文
| 作者 | Liu, Lu1; Wang, Bangda1,2; Yao, Xiaojiang3 ; Yang, Lin1,2; Jiang, Wenju1,2; Jiang, Xia1,2
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| 刊名 | FUEL
 |
| 出版日期 | 2021 |
| 卷号 | 283页码:8 |
| 关键词 | Air oxidation Low-temperature NH3-SCR Biochar catalysts MnOx |
| ISSN号 | 0016-2361 |
| DOI | 10.1016/j.fuel.2020.119336 |
| 通讯作者 | Jiang, Xia(xjiang@scu.edu.cn) |
| 英文摘要 | In this study, a novel air oxidation treatment strategy was proposed to modify Mn-doped biochar catalysts for enhanced removal of NO at low temperature. The pre-oxidation at 400 degrees C and post-oxidation at 250 degrees C under air atmosphere was applied respectively before and after impregnating biochar with Mn-containing solution (BC-OMO). The results showed that, after pre-oxidation the specific surface area and total pore volume of the sample increased to 734 m(2)/g and 0.440 cm(3)/g respectively in comparison with those without pre-oxidation (557 m(2)/g and 0.353 cm(3)/g). After further post-oxidation, the contents of Mn4+ and chemisorbed oxygen (O-alpha) in BC-OMO increased to 36.2% and 49.8% respectively from those without air oxidation (25.4% and 38.7%), which could enhance the surface acidity and redox capabilities of the catalysts. The denitration results showed that the conversion efficiency of NO for BC-OMO catalyst reached as high as 97.0% at 150 degrees C, which was significantly higher than that without air oxidation (61.8%). The mechanisms for improving denitration efficiency of MnOx/biochar catalysts by pre- and post-air oxidation were also discussed. |
| 资助项目 | National Key R&D Program of China[2019YFC1906700] ; National Nature Science Foundation of China[51978427] ; Sichuan Science and Technology Program[2020JDTD0005] |
| WOS研究方向 | Energy & Fuels ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000584919700130 |
| 出版者 | ELSEVIER SCI LTD |
| 源URL | [http://119.78.100.138/handle/2HOD01W0/12360]  |
| 专题 | 中国科学院重庆绿色智能技术研究院 |
| 通讯作者 | Jiang, Xia |
| 作者单位 | 1.Sichuan Univ, Coll Architecture & Environm, Chengdu 610065, Peoples R China 2.Natl Engn Res Ctr Flue Gas Desulfurizat, Chengdu 610065, Peoples R China 3.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Reservoir Aquat Environm, Res Ctr Atmospher Environm, Chongqing 400714, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Lu,Wang, Bangda,Yao, Xiaojiang,et al. Highly efficient MnOx/biochar catalysts obtained by air oxidation for low-temperature NH3-SCR of NO[J]. FUEL,2021,283:8. |
| APA | Liu, Lu,Wang, Bangda,Yao, Xiaojiang,Yang, Lin,Jiang, Wenju,&Jiang, Xia.(2021).Highly efficient MnOx/biochar catalysts obtained by air oxidation for low-temperature NH3-SCR of NO.FUEL,283,8. |
| MLA | Liu, Lu,et al."Highly efficient MnOx/biochar catalysts obtained by air oxidation for low-temperature NH3-SCR of NO".FUEL 283(2021):8. |
入库方式： OAI收割
来源：重庆绿色智能技术研究院
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