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- Title
Rapid Catalytic Degradation of Tetracycline by nZVI/Co@MoS<sub>2</sub>-Activated PMS.
- Authors
Cai, Yongjie; Jia, Xiaoning; Zhao, Xia; Xu, Miao; Li, Cailan; Huang, Jing; Wu, Tong
- Abstract
Nanometer molybdenum disulfide was synthesized by chemical synthesis method, and then, zero-valent iron and cobalt were deposited on molybdenum sulfide surface by liquid-phase reduction method to successfully prepare nZVI/Co@MoS2 composites. Through experiments, it is found that the Fenton advanced oxidation system formed by composite materials and peroxymonosulfate (PMS) has high removal rate and removal rate for the degradation of tetracycline (TC). The synergistic action of unsaturated S and highly active Mo(IV) center and the interlayer band gap structure of MoS2 also greatly accelerate the electron transfer rate, which effectively promotes the cycle of different valence states of Fe(III) to Fe(II) and transition metal Co ions, thus accelerating the reaction rate. The results of quenching experiments show that 1O2 and SO4−. play the important role in the TC degradation in nZVI/Co@MoS2/PMS trimetallic system.
- Subjects
TETRACYCLINE; TETRACYCLINES; TRANSITION metal ions; MOLYBDENUM sulfides; MOLYBDENUM disulfide
- Publication
Water, Air & Soil Pollution, 2024, Vol 235, Issue 2, p1
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1007/s11270-024-06910-2