Synthesis of Fe3O4 Derived from Acid Mine Drainage (AMD) Sludge and Catalytic Degradation of TetracyclineClick to copy article linkArticle link copied!
- Si JinSi JinResearch Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaBeijing Institute of Petrochemical Technology, Beijing 102617, ChinaMore by Si Jin
- Huiling LiHuiling LiResearch Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaEngineering Technology Center of Wastewater Low-Carbon Treatment and Resource Recovery, Chinese Research Academy of Environmental Sciences, Beijing 100012, ChinaMore by Huiling Li
- Jinyuan Jiang*Jinyuan Jiang*Email: [email protected]Research Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaEngineering Technology Center of Wastewater Low-Carbon Treatment and Resource Recovery, Chinese Research Academy of Environmental Sciences, Beijing 100012, ChinaMore by Jinyuan Jiang
- Dongni ShiDongni ShiResearch Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaEngineering Technology Center of Wastewater Low-Carbon Treatment and Resource Recovery, Chinese Research Academy of Environmental Sciences, Beijing 100012, ChinaMore by Dongni Shi
- Wei TanWei TanResearch Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaEngineering Technology Center of Wastewater Low-Carbon Treatment and Resource Recovery, Chinese Research Academy of Environmental Sciences, Beijing 100012, ChinaMore by Wei Tan
- Haoyang SongHaoyang SongResearch Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaEngineering Technology Center of Wastewater Low-Carbon Treatment and Resource Recovery, Chinese Research Academy of Environmental Sciences, Beijing 100012, ChinaMore by Haoyang Song
- Ling ZhuLing ZhuResearch Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaBeijing Institute of Petrochemical Technology, Beijing 102617, ChinaMore by Ling Zhu
- Yajun LiYajun LiResearch Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaEngineering Technology Center of Wastewater Low-Carbon Treatment and Resource Recovery, Chinese Research Academy of Environmental Sciences, Beijing 100012, ChinaMore by Yajun Li
- Hongke QinHongke QinResearch Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaEngineering Technology Center of Wastewater Low-Carbon Treatment and Resource Recovery, Chinese Research Academy of Environmental Sciences, Beijing 100012, ChinaMore by Hongke Qin
- Lei HeLei HeResearch Center of Environmental Pollution Control Technology, Chinese Research Academy of Environment Sciences, Beijing 100012, ChinaEngineering Technology Center of Wastewater Low-Carbon Treatment and Resource Recovery, Chinese Research Academy of Environmental Sciences, Beijing 100012, ChinaMore by Lei He
Abstract
Acid mine drainage (AMD) sludge is waste generated in the process of acid mine wastewater treatment, and the use of AMD sludge to prepare Fe3O4 to activate H2O2 degradation pollutants is an effective means of resource utilization. In this study, the heterogeneous catalyst Fe3O4-based composites were synthesized by a one-step method using AMD sludge as a raw material, and the Fe3O4-based materials before and after catalysis were characterized by powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). The effects of several key factors (pH values, H2O2 content, TC concentration, and Fe3O4 content) of tetracycline (TC) degradation were evaluated. The results revealed that the TC removal rate reached up to 95% within 120 min under optimal conditions (pH 3; H2O2, 5 mmol/L; TC concentration, 25 mg/L; Fe3O4 content, 1g/L). Moreover, •OH and •O2– radicals were generated during the Fenton-like degradation process, and the plausible degradation mechanism was discussed. Besides, the Fe3O4 catalyst exhibited fantastic stability after five cycles. In conclusion, this study is expected to promote the resource utilization of industrial sludge and provide a new material for the treatment of antibiotic-contaminated wastewater.
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