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Environ Sci Pollut Res Int

Title:		Efficient mineralization of gaseous benzyl chloride by VUV/UV photodegradation in humid air
Author(s):		Sun X; Li C; Ren L; Wang W;
Address:		"School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen, 518055, China. School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen, 518055, China. lichaolin@hit.edu.cn. School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen, 518055, China. wangwenhui@hit.edu.cn"
Journal Title:		Environ Sci Pollut Res Int
Year:		2021
Volume:		20210129
Issue:		22
Page Number:		27520 - 27527
DOI:		10.1007/s11356-020-11900-y
ISSN/ISBN:		1614-7499 (Electronic) 0944-1344 (Linking)
Abstract:		"VUV/UV photodegradation technology, which is free of catalysts or oxidants, has been regarded as an efficient method to decompose gaseous VOCs. However, the mineralization of gaseous VOCs by VUV/UV photodegradation has seldom been discussed systematically. In this work, the mineralization of benzyl chloride in humid air is comprehensively investigated and the potential contributors in the system (i.e., light wavelength, O(2) and H(2)O) are discussed. As a result, more than 95.0% benzyl chloride is mineralized at 40 min in humid air with 80% relative humidity (RH) despite its initial concentrations (i.e., ranging from 4 to 20 ppm). It is found that both 185-nm VUV light and H(2)O significant contribute to the efficient mineralization of benzyl chloride in humid air, while O(2) only has a limited effect to the efficient mineralization of benzyl chloride in humid air. The introduction of H(2)O into the VUV/UV photodegradation can reduce the emission of ozone obviously. These findings are significant inspiration to application of the VUV/UV photodegradation technology on the treatment of gaseous VOCs in the actual air atmosphere"
Keywords:		Benzyl Compounds *Ozone Photolysis *Ultraviolet Rays Benzyl chloride Mineralization efficiency VUV/UV photodegradation Volatile organic compounds;
Notes:		"MedlineSun, Xue Li, Chaolin Ren, Liyuan Wang, Wenhui eng Germany 2021/01/30 Environ Sci Pollut Res Int. 2021 Jun; 28(22):27520-27527. doi: 10.1007/s11356-020-11900-y. Epub 2021 Jan 29"