Enhancement of the photocatalytic activity of Ferrous Oxide by doping onto the nano-clinoptilolite particles towards photodegradation of tetracycline

被引：144

作者：

Nezamzadeh-Ejhieh, Alireza ^{[1
]}

Shirzadi, Arezoo ^{[1
]}

机构：

[1] Islamic Azad Univ, Shahreza Branch, Dept Chem, Shahreza, Isfahan, Iran

来源：

CHEMOSPHERE | 2014年 / 107卷

关键词：

Clinoptilolite zeolite; Nano particles; Photodegradation; Tetracycline; FeO; IRON-OXIDES; WASTE-WATER; DEGRADATION; REMOVAL; ZEOLITE; ADSORPTION; DYES; PHARMACEUTICALS; MECHANISM; PRODUCTS;

D O I：

10.1016/j.chemosphere.2014.02.015

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Photodegradation of tetracycline (TC) aqueous solution by FeO doped onto nano-clinoptilolite particles was investigated using a high pressure Hg lamp as radiation source. Nano-particles of clinoptilolite were prepared using ball-milling of micro crystals of zeolite. The pretreated nano-particles ion exchanged in a ferrous solution and the Fe(II)-exchanged form was calcined at 450 degrees C. All samples were characterized by FT-IR, DRS, SEM and XRD. The degradation extent was determined via UV-Vis absorption spectroscopy and COD. Based on the study of the effect of key operating parameters, the optimal conditions were determined to reach the higher efficiency of the process. The best photocatalytic activity was obtained in presence of the catalyst containing 5.4% FeO. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：136 / 144

页数：9

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