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Citation: JI Bing-Bing, ZHANG Lin, XIAO Mei, LI Jin-Jun, WU Feng, ZHAN Chang-Gen. Application of LED Photochemical Reactor in Teaching Environmental Chemistry Laboratory[J]. University Chemistry, ;2016, 31(4): 55-59. doi: 10.3866/PKU.DXHX20160455 shu

Application of LED Photochemical Reactor in Teaching Environmental Chemistry Laboratory

1.
School of Resource and Environmental Science, Wuhan University, Wuhan 430079, P. R. China

Corresponding author: ZHANG Lin, XIAO Mei,
Fund Project: 2014年湖北省高等学校省级教学研究项目(2014016) (2014016)2014年武汉大学实验技术项目(WHU-2014-SYJS-04) (WHU-2014-SYJS-04)2014年武汉大学教学改革项目(2014(32)) (2014(32))

This paper introduced the design method and device of a novel LED photochemical reactor, and applied the reactor to Cr(VI) photo-reduction and photooxidation of organic arsenic in environmental chemistry laboratory teaching. The results showed that the efficiency of Cr(VI) photo-reduction was 95% in LED photochemical reactor with 394 nm irradiation, and the efficiency of photooxidation of organic arsenic was more than 80% in reactor with 664 nm irradiation. The application experiments showed that the reactor had good stability, safety and reliability, and could meet the requirements of environmental photochemistry laboratory teaching.
- LED photochemical reactor,
- Photochemical reaction,
- Environmental chemistry,
- Laboratory teaching
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