Particles and porous tablets based on Fe-0/ZSM-5 composites prepared by ball-milling for heavy metals removal: Dissolved F2+, pH, and mechanism

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	Particles and porous tablets based on Fe-0/ZSM-5 composites prepared by ball-milling for heavy metals removal: Dissolved F2+, pH, and mechanism
	Wang, Chunfeng; Yao, Dan; Liu, Yang; Zhu, Yanchen; Chen, Guanfei; Zhu, Jianxin
刊名	JOURNAL OF ENVIRONMENTAL SCIENCES
	2018-10-01
卷号	72 页码:33-42
关键词	Fe-0 micropartides Ball-milling ZSM-5 Heavy metal Removal
ISSN号	1001-0742
文献子类	Article
英文摘要	Novel, low-cost Fe-0/ZSM-5-based particles and porous tablets were prepared by a ball-milling method and used for the removal of Pb2+ in solution. Solid-phase characterization by scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy (SEM-EDS) and transmission electron microscopy (TEM) revealed that the Fe-0 micropartides were evenly loaded and tightly immobilized on the surface of ZSM-5 because of the extrusion/welding impact during ball-milling. For different Pb2+ concentrations, batch experiments indicated that the removal of Pb2+ increased with the decline of dissolved Fe2+ and pH value in the solution for particles; opposite results were obtained for the tablets. The differences in the contact between both materials and PP - were the main factor controlling Pb2+ removal in the solution. Investigation into the effect of initial pH value revealed that high pH reduced the number of electrons released from Fe corrosion. Consequently, low levels of removed Pb2+ and dissolved Fe2+ were synchronously observed. Also, simulated electroplating wastewater was treated using the prepared particles and porous tablets, and the removal order of Pb2+ > Cr6+ > cu(2+) approximate to cd(2+) was observed. The Fe-0/ZSM-5 particles and tablets prepared through ball-milling show potential as materials for treatment of Pb2+ and other toxic metals. (C) 2017 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/40856]
专题	生态环境研究中心_固体废弃物处理与资源化实验室
推荐引用方式 GB/T 7714	Wang, Chunfeng,Yao, Dan,Liu, Yang,et al. Particles and porous tablets based on Fe-0/ZSM-5 composites prepared by ball-milling for heavy metals removal: Dissolved F2+, pH, and mechanism[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2018,72:33-42.
APA	Wang, Chunfeng,Yao, Dan,Liu, Yang,Zhu, Yanchen,Chen, Guanfei,&Zhu, Jianxin.(2018).Particles and porous tablets based on Fe-0/ZSM-5 composites prepared by ball-milling for heavy metals removal: Dissolved F2+, pH, and mechanism.JOURNAL OF ENVIRONMENTAL SCIENCES,72,33-42.
MLA	Wang, Chunfeng,et al."Particles and porous tablets based on Fe-0/ZSM-5 composites prepared by ball-milling for heavy metals removal: Dissolved F2+, pH, and mechanism".JOURNAL OF ENVIRONMENTAL SCIENCES 72(2018):33-42.