Catalytic activity and stability of Y zeolite for phenol degradation in the presence of ozone

被引：56
作者：
Dong, Yuming [1 ]
Yang, Hongxiao [1 ,3 ]
He, Kun [2 ]
Wu, Xuan [1 ]
Zhang, Aimin [1 ]
机构：
[1] Nanjing Univ, Sch Chem & Chem Engn, Key Lab Mesoscop Chem, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Dept Earth Sci, Nanjing 210093, Peoples R China
[3] Nanjing Normal Univ, Anal & Testing Ctr, Nanjing 210097, Peoples R China
来源：
APPLIED CATALYSIS B-ENVIRONMENTAL | 2008年 / 82卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
de-aluminated y zeolite; catalytic ozonation; degradation; phenol;
D O I：
10.1016/j.apcatb.2008.01.023
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
引用
收藏
页码：163 / 168
页数：6
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