Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 123, Issue -, Pages 89-93Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2012.04.016
Keywords
LED; Bi2MoO6; Ibuprofen; Phenol; E. coli
Funding
- National Natural Science Foundation of China [50972155, 50902144]
- National Basic Research Program of China [2010CB933503]
- Science Foundation for Youth Scholar of State Key Laboratory of High Performance Ceramics and Superfine Microstructures [SKL 200904]
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The applicability of blue light-emitting diode (LED, lambda = 465 nm) as the light source for environmental remediation by photocatalyst Bi2MoO6 was investigated. Two target compounds, phenol and ibuprofen (IBP), were selected as the model pollutants to evaluate the photocatalytic activities. The photocatalytic inactivation of Escherichia coli (E. coli) was also conducted to check the feasibility of using blue LED as the light source for the disinfection of bacteria. The results showed that efficient elimination of phenol and IBP and inactivation of E. coli were realized under a 3 W blue LED in the presence of Bi2MoO6. This demonstrates that LED is a competitive and promising alternative light source for the application in environmental remediation because the electrical energy consumption of LED decreased dramatically compared with other light source. (C) 2012 Elsevier B.V. All rights reserved.
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