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Improved photodegradation of antibiotics pollutants in wastewaters by advanced oxidation process based on Ni-doped TiO2.
Nguyen, Thanh Luan; Pham, Thi Huong; Viet, Nguyen Minh; Thang, Phan Quang; Rajagopal, Rajakrishnan; Sathya, Rengasamy; Jung, Sung Hoon; Kim, Taeyoung.
  • Nguyen TL; Department of Science and Technology and International Affairs, HUTECH University, 475A Dien Bien Phu Street, Ward 25, Binh Thanh District, Ho Chi Minh City, 700000, Viet Nam. Electronic address: nt.luan@hutech.edu.vn.
  • Pham TH; Department of Materials Science and Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam, 13120, South Korea. Electronic address: phambary@gmail.com.
  • Viet NM; VNU-Key Laboratory of Advanced Materials for Green Growth, Faculty of Chemistry, University of Science, Vietnam National University, Hanoi, Viet Nam.
  • Thang PQ; Institute of Environmental Technology (IET), Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet Street, Nghia Do, Cau Giay, Hanoi, Viet Nam.
  • Rajagopal R; Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia.
  • Sathya R; Department of Microbiology, Centre for Research and Development, PRIST University, Tamil Nadu, 613 403, India.
  • Jung SH; Department of Materials Science and Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam, 13120, South Korea.
  • Kim T; Department of Materials Science and Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam, 13120, South Korea. Electronic address: taeykim@gachon.ac.kr.
Chemosphere ; 302: 134837, 2022 Sep.
Article in English | MEDLINE | ID: covidwho-1819450
ABSTRACT
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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Full text: Available Collection: International databases Database: MEDLINE Main subject: Water Pollutants, Chemical / Environmental Pollutants / COVID-19 Limits: Humans Language: English Journal: Chemosphere Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Water Pollutants, Chemical / Environmental Pollutants / COVID-19 Limits: Humans Language: English Journal: Chemosphere Year: 2022 Document Type: Article