Effect of the supported ZnO on clinoptilolite nano-particles in the photodecolorization of semi-real sample bromothymol blue aqueous solution

被引：85
|
作者：
Bahrami, Mohsen [1 ]
Nezamzadeh-Ejhieh, Alireza [1 ,2 ]
机构：
[1] Islamic Azad Univ, Shahreza Branch, Dept Chem, Shahreza, Isfahan, Iran
[2] Islamic Azad Univ, Shahreza Branch, RCRC, Shahreza, Isfahan, Iran
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2015年 / 30卷
关键词：
Heterogeneous photocatalysis; Bromothymol blue; Nano; Clinoptilolite; ZnO; SOLAR PHOTOCATALYTIC DEGRADATION; METHYLENE-BLUE; CDS NANOPARTICLES; PHOTODEGRADATION; DYE; ZEOLITE; REMOVAL; WATER; TIO2; CUO;
D O I：
10.1016/j.mssp.2014.10.006
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Photodecolorization of bromothymol blue (BTB) aqueous solution using supported ZnO onto clinoptilolite nanoparticles (NCP) under Hg lamp irradiation was studied. NCP was prepared by a mechanical method using a planetary ball mill. ZnO supported samples (ZnO-NCP) were obtained by calcinations at 450 degrees C for 12 h followed by ion exchanging of the parent NCP with zinc(II) nitrate aqueous solutions (0.1, 0.2, 0.3 and 0.5 M) for 24 h. Raw and modified samples were characterized by XRD, FT-IR, DRS, TEM, SEM and BET. The degradation extent was monitored by UV-vis absorption as well as COD. The decolorization kinetics was fitted well to the Langmuire-Hinselwood first order rate law. (C) 2014 Elsevier Ltd. All rights reserved.
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页码：275 / 284
页数：10
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