光催化
光降解
废水
四环素类抗生素
污染物
四环素
化学
核化学
抗生素
污水处理
高级氧化法
环境化学
降级(电信)
催化作用
环境工程
有机化学
环境科学
电信
生物化学
计算机科学
作者
Thanh Luan Nguyen,Thi Huong Pham,Nguyen Minh Viet,Phan Quang Thang,Rajakrishnan Rajagopal,R. Sathya,Sung Hoon Jung,Tae‐Young Kim
出处
期刊:Chemosphere
[Elsevier]
日期:2022-09-01
卷期号:302: 134837-134837
被引量:15
标识
DOI:10.1016/j.chemosphere.2022.134837
摘要
The number of antibiotic compounds in wastewaters has been growing globally due to the covid-19 problem. Using antibiotics to treat the patients would produce larger amounts of these compounds into the environment with negative impacts. Hence, finding out the method for the elimination of toxic organic pollutants as well as antibiotics in water is urgent (In this study, the treatment of antibiotic pollutants including cefalexin (CF) and tetracycline (TC) was investigated by applying the advanced oxidation process based on Ni-doped TiO2 (Ni-TiO2). The characterizations technologies such as XRD, XPS, UV-vis, PL, and PC indicated that Ni doping would improve the photocatalytic performance of TiO2. In the photodegradation experiments, the Ni-TiO2 possessed high photocatalytic degradation efficiencies with 93.6% for CF and 82.5% for TC. Besides, the removal rates of antibiotics after five cycles are higher than 75%, implying excellent stability of Ni-TiO2 photocatalyst. The result from the treatment of wastewater samples revealed that the Ni-TiO2 photocatalytic had good performance for removal of CF and TC at a high level of 88.6 and 80.2%, respectively.
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