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Removal of cadmium(II) from wastewater with gas-assisted magnetic separation
Dong, Tingting1,2; Yang, Liangrong1; Zhu, Menghao1,2; Liu, Zhini1,3; Sun, Xitong1,2; Yu, Jiemiao1,2,4; Liu, Huizhou1
2015-11-15
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume280Issue:NOVPages:426-432
AbstractIn this study, a method combined low-field magnetic separation (MS) with flotation, named as gas-assisted magnetic separation (GAMS), was applied for the removal of cadmium from wastewater. With bubbles' assistance, the speed of magnetic separation can be greatly improved and the limitation of magnetic force on the capture distance can be overcome. Thus, GAMS is much more efficient and easily scalable than MS. In this work, ethanediamine-modified magnetic poly-(glycidyl methacrylate) microspheres (EMPs) were synthesized as the adsorbent for cadmium. And GAMS was used to separate the EMPs and Cd-loaded EMPs. The effects of pH, gas flow rate, concentration of Cd-loaded EMPs, loading volume, and ionic strength on GAMS were investigated. The results indicated that the EMPs and Cd-loaded EMPs could be rapidly and remotely removed from the solution with GAMS. And the separation time decreased with the increase of gas flow rate and NaCl concentration, but grew with the rise of pH value, loading volume, and concentration of the EMPs. This work showed the great potential of GAMS in the area of water treatment. (C) 2015 Elsevier B.V. All rights reserved.
KeywordCadmium Removal Gas-assisted Magnetic Separation Wastewater
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cej.2015.05.066
Indexed BySCI
Language英语
WOS KeywordLARGE-SCALE SEPARATION ; HEAVY-METAL IONS ; SUPERPARAMAGNETIC EXTRACTION ; EFFICIENT REMOVAL ; AQUEOUS SYSTEMS ; ADSORPTION ; NANOPARTICLES ; FLOTATION ; ADSORBENT ; PROTEINS
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
WOS IDWOS:000360949900048
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19535
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Xiangtan Univ, Coll Chem Engn, Xiangtan 411105, Peoples R China
4.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
Recommended Citation
GB/T 7714
Dong, Tingting,Yang, Liangrong,Zhu, Menghao,et al. Removal of cadmium(II) from wastewater with gas-assisted magnetic separation[J]. CHEMICAL ENGINEERING JOURNAL,2015,280(NOV):426-432.
APA Dong, Tingting.,Yang, Liangrong.,Zhu, Menghao.,Liu, Zhini.,Sun, Xitong.,...&Liu, Huizhou.(2015).Removal of cadmium(II) from wastewater with gas-assisted magnetic separation.CHEMICAL ENGINEERING JOURNAL,280(NOV),426-432.
MLA Dong, Tingting,et al."Removal of cadmium(II) from wastewater with gas-assisted magnetic separation".CHEMICAL ENGINEERING JOURNAL 280.NOV(2015):426-432.
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