Study on removal of Microcystis aeruginosa and Cr (VI) using attapulgite-Fe(3)O4 magnetic composite material (MCM)

doi:10.1016/j.algal.2021.102501

	Study on removal of Microcystis aeruginosa and Cr (VI) using attapulgite-Fe(3)O4 magnetic composite material (MCM)
	Chen, Longfei 1,3; Wu, Xiran 1,3; Liu, Chao 1,2; Zhao, Yunmeng 1,2; Huang, Qing 1,2,3
刊名	ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
	2021-12-01
卷号	60
关键词	Attapulgite Ferroferric oxide(Fe3O4) Microcystis aeruginosa(M aeruginosa) hexavalent chromium Cr (VI) Flocculation Adsorption
ISSN号	2211-9264
DOI	10.1016/j.algal.2021.102501
通讯作者	Huang, Qing(huangq@ipp.ac.cn)
英文摘要	In order to remove Microcystis aeruginosa (M. aeruginosa) and hexavalent chromium Cr (VI) from wastewater, attapulgite was modified with hydrochloric acid and mixed with ferroferric oxide (Fe3O4) to prepare magnetic composite material (MCM), which could be utilized to flocculate M. aeruginosa and adsorb Cr (VI) effectively, and could be taken out from water easily under external magnetic field. The experimental results showed that the MCM could precipitate the M. aeruginosa with the removal rate over 96% within 10 min, and in the meantime, it could efficiently adsorb Cr (VI) with the removal rate of Cr (VI) reaching 95% within 5 min. The adsorption of Cr (VI) by MCM conforms to the pseudo-second-order kinetic model, and the isotherm model for the adsorption of Cr (VI) conforms to the Langmuir equation. The adsorption amount of Cr (VI) decreased with the increase of temperature, indicating that the adsorption process of Cr (VI) was exothermic. This work therefore proposes a new approach for treatment of wastewater containing M. aeruginosa and Cr (VI), and also elucidates the adsorption properties of the applied material.
资助项目	National Natural Science Foundation of China[11775272] ; National Natural Science Foundation of China[11635013] ; Anhui Provincial Key Research and Development Plan[202004i07020014]
WOS关键词	MECHANISMS ; CR(VI) ; FLOCCULATION ; PRETREATMENT ; EQUILIBRIUM ; ADSORPTION ; SORPTION ; BLOOMS ; CLAYS ; WATER
WOS研究方向	Biotechnology & Applied Microbiology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000704711000004
资助机构	National Natural Science Foundation of China ; Anhui Provincial Key Research and Development Plan
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/125539]
专题	中国科学院合肥物质科学研究院
通讯作者	Huang, Qing
作者单位	1.Chinese Acad Sci, Inst Intelligent Machines, Hefei Inst Phys Sci, CAS Key Lab High Magnet Field & Ion Beam Phys Bio, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Sci Isl Branch, Grad Sch, Hefei 230026, Peoples R China 3.Anhui Jianzhu Univ, Inst Environm & Energy Engn, Hefei 230022, Peoples R China
推荐引用方式 GB/T 7714	Chen, Longfei,Wu, Xiran,Liu, Chao,et al. Study on removal of Microcystis aeruginosa and Cr (VI) using attapulgite-Fe(3)O4 magnetic composite material (MCM)[J]. ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS,2021,60.
APA	Chen, Longfei,Wu, Xiran,Liu, Chao,Zhao, Yunmeng,&Huang, Qing.(2021).Study on removal of Microcystis aeruginosa and Cr (VI) using attapulgite-Fe(3)O4 magnetic composite material (MCM).ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS,60.
MLA	Chen, Longfei,et al."Study on removal of Microcystis aeruginosa and Cr (VI) using attapulgite-Fe(3)O4 magnetic composite material (MCM)".ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS 60(2021).