| Title: | Wet scrubber coupled with heterogeneous UV/Fenton for enhanced VOCs oxidation over Fe/ZSM-5 catalyst |
| Author(s): | Xie R; Liu G; Liu D; Liang S; Lei D; Dong H; Huang H; Leung DYC; |
| Address: | "School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, China. School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, PR China. Electric Power College, South China University of Technology, Guangzhou, PR China. School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, PR China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou, China. Electronic address: seabao8@gmail.com. Department of Mechanical Engineering, The University of Hong Kong, Hong Kong" |
| DOI: | 10.1016/j.chemosphere.2019.03.160 |
| ISSN/ISBN: | 1879-1298 (Electronic) 0045-6535 (Linking) |
| Abstract: | "The traditional treatment processes for volatile organic compounds (VOCs) removal generally suffered several disadvantages, such as secondary air-pollutants. To overcome these issues, wet scrubber coupled with heterogeneous UV/Fenton was developed for gaseous VOCs (i.e. toluene) removal. ZSM-5 supported iron oxide (Fe/ZSM-5) was prepared as a multifunctional catalyst for activation of H(2)O(2) and enhancement of gas-liquid mass transfer. Toluene was removed efficiently by this coupled process with the removal efficiency of 85% during 120?ª+min. Many intermediates were detected in the solution by GC-MS while no intermediates were observed in the outlet gas, suggesting that wet scrubber coupled with heterogeneous UV/Fenton could significantly reduce secondary air pollutants. The possible mechanism of toluene oxidation was proposed including the physical adsorption by Fe/ZSM-5 and OH oxidation. This study provides an environmentally benign and highly efficient chemical scrubbing process for gaseous VOCs removal" |
| Keywords: | Adsorption *Air Filters Air Pollutants/analysis/*chemistry Catalysis Gases Hydrogen Peroxide/chemistry Iron/chemistry Oxidation-Reduction Toluene/chemistry Ultraviolet Rays Volatile Organic Compounds/*chemistry Fe/ZSM-5 Heterogeneous UV/Fenton Toluene oxi; |
| Notes: | "MedlineXie, Ruijie Liu, Gaoyuan Liu, Dingping Liang, Shimin Lei, Dongxue Dong, Hanying Huang, Haibao Leung, Dennis Y C eng England 2019/04/20 Chemosphere. 2019 Jul; 227:401-408. doi: 10.1016/j.chemosphere.2019.03.160. Epub 2019 Mar 29" |
