Optimized photocatalytic degradation of pefloxacin by TiO2/UV process

被引：8
|
作者：
Zhang, C. -L. [1 ]
Cui, S. -J. [1 ]
Wang, Y. [1 ]
机构：
[1] Zhengzhou Univ, Coll Chem Engn & Energy, Zhengzhou 450001, Peoples R China
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2016年 / 90卷 / 11期
关键词：
pefloxacin; nitrogen/Fe3+ co-doped TiO2; photocatalytic degradation; FLUOROQUINOLONE ANTIBACTERIAL AGENTS; WASTE-WATER; RISK-ASSESSMENT; ANTIBIOTICS; RIVER; TRANSFORMATION; MARBOFLOXACIN; ENROFLOXACIN; PH;
D O I：
10.1134/S0036024416110315
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：
The photocatalytic degradation of pefloxacin was studied using modified TiO2 as a photocatalyst. The effect of various parameters such as the amount of the photocatalyst, the initial concentration of pefloxacin, initial pH value on the process were investigated, and the optimal conditions were determined. The optimal amount of the photocatalyst is 0.3 g/L. The photodegradation rate of pefloxacin decreases with the increase of initial concentration. Alkaline medium is favorable for the photocatalytic degradation process. The primary photo-degradation products were analyzed by HPLC-ESI-MS/MS and thus the process mechanism was discussed.
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页码：2306 / 2311
页数：6
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