Synergistic Catalytic Oxidation of Typical Volatile Organic Compound Mixtures on Mn-Based Catalysts: Significant Promotion Effect and Reaction Mechanism
文献类型：期刊论文
| 作者 | Pan, Tingting; Deng, Hua; Lu, Yuqin; Ma, Jinzhu ; Wang, Lian; Zhang, Changbin; He, Hong
|
| 刊名 | ENVIRONMENTAL SCIENCE & TECHNOLOGY
 |
| 出版日期 | 2023 |
| 页码 | 1-11 |
| ISSN号 | 0013-936X |
| 关键词 | catalytic oxidation VOCs toluene MnO2 catalyst mixing effect |
| 英文摘要 | The miscellaneous volatile organic compounds (VOCs) in industrial flue gas streams usually demonstrate significant mutual inhibition effects, and the behavior of a particular VOC in mixtures is not clear, which hinders the application of catalytic technology. This study examines the catalytic oxidation and mixing effects of representative VOCs in industrial exhausts, consisting of acetone (AC), ethyl acetate (EA), and toluene (Tol), on common Mn-based catalysts (e.g., MnO2, Mn2O3, LaMnO3, and Mn3O4) by means of intrinsic activity evaluation, coadsorption, VOC temperature-programmed oxidation, in situ diffuse reflectance infrared Fourier transform spectroscopy, and gas chromatography-mass spectrometry. The results showed no inhibiting effect on the conversion of these VOCs when combusted together; instead, a significant mutual promotion effect was found, especially on Tol destruction, with a sharp decrease in the Tol T50 from 214 to 158 degrees C on MnO2. It is proposed for the first time that the addition of AC/EA in Tol combustion leads to the generation of o/m-methyl phenol, which changes the rate determining step of the ring-opening process, thus elevating the conversion of Tol together with AC and EA in the mixture at low temperatures. |
| 源URL | [https://ir.rcees.ac.cn/handle/311016/48461]  |
| 专题 | 生态环境研究中心_大气污染控制中心 |
| 作者单位 | 1.Chinese Academy of Sciences 2.Research Center for Eco-Environmental Sciences (RCEES) 3.University of Chinese Academy of Sciences, CAS 4.Institute of Urban Environment, CAS |
| 推荐引用方式 GB/T 7714 | Pan, Tingting,Deng, Hua,Lu, Yuqin,et al. Synergistic Catalytic Oxidation of Typical Volatile Organic Compound Mixtures on Mn-Based Catalysts: Significant Promotion Effect and Reaction Mechanism[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2023:1-11. |
| APA | Pan, Tingting.,Deng, Hua.,Lu, Yuqin.,Ma, Jinzhu.,Wang, Lian.,...&He, Hong.(2023).Synergistic Catalytic Oxidation of Typical Volatile Organic Compound Mixtures on Mn-Based Catalysts: Significant Promotion Effect and Reaction Mechanism.ENVIRONMENTAL SCIENCE & TECHNOLOGY,1-11. |
| MLA | Pan, Tingting,et al."Synergistic Catalytic Oxidation of Typical Volatile Organic Compound Mixtures on Mn-Based Catalysts: Significant Promotion Effect and Reaction Mechanism".ENVIRONMENTAL SCIENCE & TECHNOLOGY (2023):1-11. |
入库方式： OAI收割
来源：生态环境研究中心
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。