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Synthesis of reactive nanoscale zero valent iron using rectorite supports and its application for Orange II removal

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成果类型:
期刊论文
作者:
Luo, Si;Qin, Pufeng;Shao, Jihai;Peng, Liang;Zeng, Qingru;...
通讯作者:
Gu, Ji-Dong
作者机构:
[Luo, Si; Qin, Pufeng; Peng, Liang; Shao, Jihai; Zeng, Qingru; Gu, Ji-Dong] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.
[Gu, Ji-Dong] Univ Hong Kong, Sch Biol Sci, Lab Environm Microbiol & Toxicol, Hong Kong, Hong Kong, Peoples R China.
[Gu, Ji-Dong] Univ Hong Kong, Sch Biol Sci, Lab Environm Microbiol & Toxicol, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China.
通讯机构:
[Gu, Ji-Dong] U
Univ Hong Kong, Sch Biol Sci, Lab Environm Microbiol & Toxicol, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China.
语种:
英文
关键词:
Zero valent iron;Rectorite;Nanocomposite;Orange II;Reduction
期刊:
Chemical Engineering Journal
ISSN:
1385-8947
年:
2013
卷:
223
页码:
1-7
基金类别:
This research was supported by Foundation of Furong Scholar project of Hunan Province, and an honorary professorship (J-DG), and the Research Foundation of Education Bureau of Hunan Province, China (12C0153). The authors acknowledge the use of instruments in Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use.
机构署名:
本校为第一机构
院系归属:
资源环境学院
摘要:
The nanoscale zero valent iron-rectorite (nZVI-R) composite was successfully synthesized through incorporation of nano-zero valent iron (nZVI) into the natural rectorite as supports. Iron ions were imbedded in the interlayer of rectorite clay via an ion-exchange reaction, and then the exchangeable Fe(III) cations were reduced to nZVI by NaBH4 in solution. The confinement of Fe crystal growth in the interlayer regions of rectorite resulted in the formation of nZVI particles at ca. 10.3nm. The structure, morphology, Fe species, crystal phase, and...

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