Treatment of amoxicillin by O3/Fenton process in a rotating packed bed

被引：52
|
作者：
Li, Mo [1 ,2 ]
Zeng, Zequan [3 ]
Li, Yingwen [1 ,2 ]
Arowo, Moses [1 ,2 ]
Chen, Jianfeng [1 ,2 ]
Meng, Hong [4 ]
Shao, Lei [1 ,2 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Res Ctr, Minist Educ High Grav Engn & Technol, Beijing 100029, Peoples R China
[3] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
[4] Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China
来源：
JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2015年 / 150卷
基金：
中国国家自然科学基金;
关键词：
Fenton; Ozone; Rotating packed bed; Amoxicillin; Biodegradability; WASTE-WATER TREATMENT; PHOTO-FENTON PROCESS; TERT-BUTYL ETHER; AQUEOUS-SOLUTION; CARBON-DIOXIDE; DEGRADATION; OZONATION; OXIDATION; REMOVAL; REAGENT;
D O I：
10.1016/j.jenvman.2014.12.019
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, simulated amoxicillin wastewater was treated by the O-3/Fenton process in a rotating packed bed (RPB) and the results were compared with the Fenton process and the O-3 followed by Fenton (O-3 + Fenton) process. The chemical oxygen demand (COD) removal rate and the ratio of 5-day biological oxygen demand to chemical oxygen demand (BOD5/COD) in the O-3/Fenton process were approximately 17% and 26%, respectively, higher than those in the O-3 + Fenton process with an initial pH of 3. The COD removal rate of the amoxicillin solution reached maximum at the Fe(II) concentration of 0.6 mM, temperature of 25 degrees C, rotation speed of 800 rpm and initial pH of 3. The BOD5/COD of the amoxicillin solution increased from 0 to 0.38 after the solution was treated by the O-3/Fenton process. Analysis of the intermediates indicated that the pathway of amoxicillin degradation in the O-3/Fenton process was similar to that in the O-3 + Fenton process. Contrast experiment results showed that amoxicillin degradation was significantly intensified in the RPB. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：404 / 411
页数：8
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