REJECTION OF THREE ANTIBIOTICS WITH DIFFERENT CHARGES IN RECYCLED WATER BY FORWARD OSMOSIS MEMBRANE |
Authors: DING Jiaqi,CAI Teng,HUANG Manhong |
Units: College of?Environmental?Science and Engineering, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Donghua University, Shanghai 201620, China |
KeyWords: forward osmosis(FO)membrane;water flux;reverse solution flux;antibiotics;rejection |
ClassificationCode:TQ028.8 |
year,volume(issue):pagination: 2018,38(6):97-104 |
Abstract: |
Three antibiotics with different charges,trimethoprim, tetracycline, and sulfamethoxazole were used to be rejected in waste water by a commercial forward osmosis membrane. The effects of different types of draw solution onthebasic properties of the forward osmosis membranewere studied. In addition, the effects of draw solution, organic contaminantsand different environmental pH on the rejection of three antibiotics under optimal conditions were also explored. The results showed that increasing the concentration of draw solution increased the water flux of the forward osmosis membrane and the reverse solution flux. Attributed to three kinds of antibiotics with different electric charge, they have different effects on the membrane. The rejection rate is ranked as TMP>TC>SMZ.In the presence of organic pollutants, alkaline condition will increase the rejection rate of the three antibiotics. These resultscan provide parameters for the treatment of antibiotic wastewater by a FO process. |
Funds: |
国家自然科学基金资助项目[No.21477018, 21507142],国家重点研发项目 [2016YFC0400502] |
AuthorIntro: |
第一作者简介:丁嘉奇(1995-),女,上海,硕士研究生,研究方向为正渗透膜及其在环境中的应用。*通讯作者,E-mail:huangmanhong@dhu.edu.cn |
Reference: |
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