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Author(s): |
Xiaosan Song, School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, China ；Engineering Research Center for Cold and Arid Regions Water Resource Comprehensive Utilization, Ministry of Education, China
Sanfan Wang, School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, China ；Engineering Research Center for Cold and Arid Regions Water Resource Comprehensive Utilization, Ministry of Education, China
Jiongyuan Lu, School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, China ；Engineering Research Center for Cold and Arid Regions Water Resource Comprehensive Utilization, Ministry of Education, China
Guozhen Zhang, School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, China ；Engineering Research Center for Cold and Arid Regions Water Resource Comprehensive Utilization, Ministry of Education, China |
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Abstract: |
The purpose of this study is to investigate the treatment of Cr (VI) and Ni (II) wastewater by the ferrite process.In this paper, the ferrite process of Cr (VI) and Ni (II) synthetic solution by hydrothermal reaction and its technological parameters was studied. The most optimum reaction conditions were explored: pH=9.0, temperature=70℃, stirring time=40min, stirring speed=120 rpm. Leaching toxicity of heavy metals from Ni–Cr ferrite prepared in the experiment was much lower than the regulated limit of Toxicity Characteristic Leaching Procedure (TCLP), indicating that Ni–Cr ferrite had a better chemical stability.
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