Nanostructured iron(III)-copper(II) binary oxide: A novel adsorbent for enhanced arsenic removal from aqueous solutions

CORC > 烟台海岸带研究所 > 中国科学院烟台海岸带研究所 > 中科院海岸带环境过程与生态修复重点实验室

	Nanostructured iron(III)-copper(II) binary oxide: A novel adsorbent for enhanced arsenic removal from aqueous solutions
	Zhang, Gaosheng1,2 ; Ren, Zongming 1,2; Zhang, Xiwang 3; Chen, Jing 1,2
刊名	WATER RESEARCH
	2013-08-01
卷号	47 期号:12 页码:4022-4031
关键词	Fe-Cu binary oxide Sorption Arsenate Arsenite Regeneration
ISSN号	0043-1354
其他题名	Numerical study on the origins and the forcing mechanism of the phosphate in upwelling areas off the coast of Zhejiang province.pdf
通讯作者	Zhang, GS (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc, 17th Chunhui Rd, Yantai 264003, Shandong, Peoples R China. gszhang@yic.ac.cn
产权排序	[Zhang, Gaosheng; Ren, Zongming; Chen, Jing] Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, Peoples R China; [Zhang, Gaosheng; Ren, Zongming; Chen, Jing] YICCAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, Peoples R China; [Zhang, Xiwang] Univ Queensland, Sch Chem Engn, Brisbane, Qld 4072, Australia
中文摘要	To obtain a highly efficient and low-cost adsorbent for arsenic removal from water, a novel nanostructured Fe-Cu binary oxide was synthesized via a facile co-precipitation method. Various techniques including BET surface area measurement, powder XRD, SEM, and XPS were used to characterize the synthetic Fe-Cu binary oxide. It showed that the oxide was poorly crystalline, 2-line ferrihydrite-like and was aggregated with many nanosized particles. Laboratory experiments were performed to investigate adsorption kinetics, adsorption isotherms, pH adsorption edge and regeneration of spent adsorbent. The results indicated that the Fe-Cu binary oxide with a Cu: Fe molar ratio of 1:2 had excellent performance in removing both As(V) and As(III) from water, and the maximal adsorption capacities for As(V) and As(III) were 82.7 and 122.3 mg/g at pH 7.0, respectively. The values are favorable, compared to those reported in the literature using other adsorbents. The coexisting sulfate and carbonate had no significant effect on arsenic removal. However, the presence of phosphate obviously inhibited the arsenic removal, especially at high concentrations. Moreover, the Fe-Cu binary oxide could be readily regenerated using NaOH solution and be repeatedly used. The Fe-Cu binary oxide could be a promising adsorbent for both As(V) and As(III) removal because of its excellent performance, facile and low-cost synthesis process, and easy regeneration. (C) 2013 Elsevier Ltd. All rights reserved.
英文摘要	To obtain a highly efficient and low-cost adsorbent for arsenic removal from water, a novel nanostructured Fe-Cu binary oxide was synthesized via a facile co-precipitation method. Various techniques including BET surface area measurement, powder XRD, SEM, and XPS were used to characterize the synthetic Fe-Cu binary oxide. It showed that the oxide was poorly crystalline, 2-line ferrihydrite-like and was aggregated with many nanosized particles. Laboratory experiments were performed to investigate adsorption kinetics, adsorption isotherms, pH adsorption edge and regeneration of spent adsorbent. The results indicated that the Fe-Cu binary oxide with a Cu: Fe molar ratio of 1:2 had excellent performance in removing both As(V) and As(III) from water, and the maximal adsorption capacities for As(V) and As(III) were 82.7 and 122.3 mg/g at pH 7.0, respectively. The values are favorable, compared to those reported in the literature using other adsorbents. The coexisting sulfate and carbonate had no significant effect on arsenic removal. However, the presence of phosphate obviously inhibited the arsenic removal, especially at high concentrations. Moreover, the Fe-Cu binary oxide could be readily regenerated using NaOH solution and be repeatedly used. The Fe-Cu binary oxide could be a promising adsorbent for both As(V) and As(III) removal because of its excellent performance, facile and low-cost synthesis process, and easy regeneration. (C) 2013 Elsevier Ltd. All rights reserved.
学科主题	Engineering, Environmental ; Environmental Sciences ; Water Resources
研究领域[WOS]	Engineering ; Environmental Sciences & Ecology ; Water Resources
关键词[WOS]	ADSORPTION ENVELOPES ; SURFACE-PROPERTIES ; MANGANESE-OXIDE ; NANOPARTICLES ; SORPTION ; AS(III) ; WATER ; IRON ; MECHANISM ; OXIDATION
收录类别	SCI
资助信息	National Natural Science Foundation of China [51178453]
原文出处	http://dx.doi.org/10.1016/j.watres.2012.11.059
语种	英语
WOS记录号	WOS:000321084000017
公开日期	2014-07-08
内容类型	期刊论文
源URL	[http://ir.yic.ac.cn/handle/133337/6970]
专题	烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室烟台海岸带研究所_污染过程与控制实验室
作者单位	1.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, Peoples R China 2.YICCAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, Peoples R China 3.Univ Queensland, Sch Chem Engn, Brisbane, Qld 4072, Australia
推荐引用方式 GB/T 7714	Zhang, Gaosheng,Ren, Zongming,Zhang, Xiwang,et al. Nanostructured iron(III)-copper(II) binary oxide: A novel adsorbent for enhanced arsenic removal from aqueous solutions[J]. WATER RESEARCH,2013,47(12):4022-4031.
APA	Zhang, Gaosheng,Ren, Zongming,Zhang, Xiwang,&Chen, Jing.(2013).Nanostructured iron(III)-copper(II) binary oxide: A novel adsorbent for enhanced arsenic removal from aqueous solutions.WATER RESEARCH,47(12),4022-4031.
MLA	Zhang, Gaosheng,et al."Nanostructured iron(III)-copper(II) binary oxide: A novel adsorbent for enhanced arsenic removal from aqueous solutions".WATER RESEARCH 47.12(2013):4022-4031.