中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Enhanced sequestration of selenite in water by nanoscale zero valent iron immobilization on carbon nanotubes by a combined batch, XPS and XAFS investigation

文献类型:期刊论文

作者Sheng, Guodong1,3,4,5; Alsaedi, Ahmed4; Shammakh, Wafa4; Monaquel, Shatha4; Sheng, Jiang2; Wang, Xiangke1,4; Li, Hui1; Huang, Yuying
刊名CARBON
出版日期2016-04-01
卷号99期号:页码:123-130
DOI10.1016/j.carbon.2015.12.013
文献子类Article
英文摘要In this paper, nanoscale zero-valent iron (NZVI) immobilized on carbon nanotube (CNT) composite (NZVI/CNT) was prepared, characterized and used for the sequestration of Se(IV) in water. The structural analysis revealed that NZVI were uniformly immobilized on CNT surfaces, and thus the oxidation and aggregation of NZVI was obviously minimized. Compared to bare NZVI, the NZVI/CNT exhibited much higher efficiency on Se(IV) sequestration due to the good synergistic effect between CNT adsorption and NZVI reduction. The results from X-ray absorption fine structure (XAFS) revealed that Se(IV) could be almost completely reduced into Se(0)/Se(-II) by NZVI/CNT, while partial reduction occurred on NZVI with a trace of Se(IV) adsorbed on the corrosion products. Besides, the role of pH in Se(IV) sequestration on NZVI/CNT was lower than that on NZVI due to the buffering effect of CNT. Moreover, CNT immobilization could also weaken the inhibition effect of humic acid (HA) on the removal of Se(IV) by NZVI, since CNT showed strong adsorption for HA that blocks potential reactivity. The excellent performance of NZVI/CNT offer a promising material for detoxification of Se(IV) from wastewater. (C) 2015 Elsevier Ltd. All rights reserved.
WOS关键词HUMIC SUBSTANCE INTERACTION ; NATURAL ORGANIC-MATTER ; ZEROVALENT IRON ; PILLARED BENTONITE ; PLATES FE-0-CNTS ; METHYLENE-BLUE ; MODEL-COMPOUND ; WASTE-WATER ; REMOVAL ; REDUCTION
WOS研究方向Chemistry ; Materials Science
语种英语
WOS记录号WOS:000369069800015
资助机构Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; Deanship of Scientific Research (DSR), King Abdulaziz University(41-130-36-HiCi) ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR ; DSR
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/21753]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Shaoxing Univ, Coll Med Sci, Coll Chem & Chem Engn, Shaoxing 312000, Zhejiang, Peoples R China
2.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Appl Phys, SSRF, Shanghai 201204, Peoples R China
4.King Abdulaziz Univ, NAAM Res Grp, Fac Sci, Jeddah 21589, Saudi Arabia
5.Chinese Acad Sci, Inst Plasma Phys, POB 1126, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714
Sheng, Guodong,Alsaedi, Ahmed,Shammakh, Wafa,et al. Enhanced sequestration of selenite in water by nanoscale zero valent iron immobilization on carbon nanotubes by a combined batch, XPS and XAFS investigation[J]. CARBON,2016,99(无):123-130.
APA Sheng, Guodong.,Alsaedi, Ahmed.,Shammakh, Wafa.,Monaquel, Shatha.,Sheng, Jiang.,...&Huang, Yuying.(2016).Enhanced sequestration of selenite in water by nanoscale zero valent iron immobilization on carbon nanotubes by a combined batch, XPS and XAFS investigation.CARBON,99(无),123-130.
MLA Sheng, Guodong,et al."Enhanced sequestration of selenite in water by nanoscale zero valent iron immobilization on carbon nanotubes by a combined batch, XPS and XAFS investigation".CARBON 99.无(2016):123-130.

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来源:合肥物质科学研究院

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