Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 82, Issue 3-4, Pages 163-168Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2008.01.023
Keywords
de-aluminated y zeolite; catalytic ozonation; degradation; phenol
Funding
- the National Natural Science Foundation of China [50474036, 20673056]
- the Environmental Protecting Science foundation of Jiangsu Province [2007016]
- the Open Analysis Foundation of Nanjing University
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As a stable microporous material, de-aluminated Y zeolite has been used for the first time as an ozonation catalyst and showed remarkable activity for the removal of phenol and chemical oxygen demand (COD) in aqueous solution. The Y zeolite exhibited excellent repetitive-use performance even after continuous operation for 10 cycles. The ozone decomposition rate, influence of hydroxyl radical scavenger and influence of reaction temperature were investigated. The results indicate that Y zeolite accelerates the decomposition of ozone and the generation of hydroxyl radicals, consequently enhances the degradation of phenol and the removal of COD. (C) 2008 Elsevier B.V. All rights reserved.
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