Modeling of antibiotic degradation in sonophotocatalytic process, increasing biodegradability and process optimization by response surface methodology (RSM)

被引：15
|
作者：
Almasi, A. [1 ,2 ]
Mohammadi, M. [1 ,2 ]
Baniamerian, F. [1 ]
Berizi, Z. [3 ]
Almasi, M. H. [1 ,2 ]
Pariz, Z. [4 ]
机构：
[1] Kermanshah Univ Med Sci, Social Dev & Hlth Promot Res Ctr, Kermanshah, Iran
[2] Kermanshah Univ Med Sci, Sch Publ Hlth, Dept Environm Hlth Engn, Kermanshah, Iran
[3] Larestan Univ Med Sci, Sch Hlth, Dept Environm Hlth Engn, Larestan, Iran
[4] Kermanshah Univ Med Sci, Student Res Comm, Kermanshah, Iran
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY | 2019年 / 16卷 / 12期
关键词：
beta-lactam antibiotic; AOP; US; UV; immobilized ZnO catalyst; RSM; AQUEOUS-SOLUTION; REMOVAL; AMOXICILLIN; PHOTOCATALYSIS; MINERALIZATION; NANOPARTICLES; CLOXACILLIN; PERFORMANCE; KERMANSHAH; PATHWAYS;
D O I：
10.1007/s13762-019-02307-5
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The aim of this study was to study the degradation of beta-lactam antibiotics in aqueous solutions by ultrasonic along with UV/immobilized ZnO catalyst. The variables such as contact time, antibiotic concentration, and ZnO dose were studied according to the response surface methodology. In the optimum condition, the removal efficiency of 94.2% for PCG and 84.2% for CFX was obtained. The BOD5/COD ratio in the optimum condition increased from 0 to about 0.4. The quadratic and linear model was well fitted with test results (R-2 = 0.871-0.996). The results showed that sonophotocatalytic process led to the effective degradation of the PCG and CFX and their enhanced biodegradability.
引用
收藏
页码：8437 / 8448
页数：12
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