Institutional Repository of Key Laboratory of Coastal Zone Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences (KLCEP)
Efficient removal of arsenic from water using a granular adsorbent: Fe-Mn binary oxide impregnated chitosan bead | |
Qi, JY; Zhang, GS![]() | |
发表期刊 | BIORESOURCE TECHNOLOGY
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ISSN | 0960-8524 |
2015-10-01 | |
卷号 | 193页码:243-249 |
关键词 | Arsenic Chitosan Granular Sorption Groundwater |
DOI | 10.1016/j.biortech.2015.06.102 |
产权排序 | [Qi, Jianying] MEP, South China Inst Environm Sci, Guangzhou 510655, Guangdong, Peoples R China; [Zhang, Gaosheng] Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, Peoples R China; [Li, Haining] Yantai Univ, Environm & Mat Engn Coll, Yantai 264005, Peoples R China |
作者部门 | 中科院海岸带环境过程与生态修复重点实验室 |
英文摘要 | A novel sorbent of Fe-Mn binary oxide impregnated chitosan bead (FMCB) was fabricated through impregnating Fe-Mn binary oxide into chitosan matrix. The FMCB is sphere-like with a diameter of 1.6-1.8 mm, which is effective for both As(V) and As(III) sorption. The maximal sorption capacities are 39.1 and 54.2 mg/g, respectively, outperforming most of reported granular sorbents. The arsenic was mainly removed by adsorbing onto the Fe-Mn oxide component. The coexisting SO42-, HCO3- and SiO32- have no great influence on arsenic sorption, whereas, the HPO42- shows negative effects. The arsenic-loaded FMCB could be effectively regenerated using NaOH solution and repeatedly used. In column tests, about 1500 and 3200 bed volumes of simulated groundwater containing 233 mu g/L As(V) and As(III) were respectively treated before breakthrough. These results demonstrate the superiority of the FMCB in removing As(V) and As(III), indicating that it is a promising candidate for arsenic removal from real drinking water. (C) 2015 Elsevier Ltd. All rights reserved. |
文章类型 | Article |
收录类别 | SCI |
语种 | 英语 |
关键词[WOS] | DRINKING-WATER ; ADSORPTION ; OXIDATION ; MECHANISM ; SORPTION ; AS(III) ; KINETICS ; BEHAVIOR ; METALS ; HEALTH |
研究领域[WOS] | Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels |
WOS记录号 | WOS:000358380900033 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.yic.ac.cn/handle/133337/8841 |
专题 | 中国科学院海岸带环境过程与生态修复重点实验室 中国科学院海岸带环境过程与生态修复重点实验室_污染过程与控制实验室 |
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 |
推荐引用方式 GB/T 7714 | Qi, JY,Zhang, GS,Li, HN,et al. Efficient removal of arsenic from water using a granular adsorbent: Fe-Mn binary oxide impregnated chitosan bead[J]. BIORESOURCE TECHNOLOGY,2015,193:243-249. |
APA | Qi, JY,Zhang, GS,Li, HN,&Zhang, GS .(2015).Efficient removal of arsenic from water using a granular adsorbent: Fe-Mn binary oxide impregnated chitosan bead.BIORESOURCE TECHNOLOGY,193,243-249. |
MLA | Qi, JY,et al."Efficient removal of arsenic from water using a granular adsorbent: Fe-Mn binary oxide impregnated chitosan bead".BIORESOURCE TECHNOLOGY 193(2015):243-249. |
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