Extraction mechanism and gamma-radiation effect on the removal of Eu3+ by a novel BTPhen/[C(n)mim][NTf2] system in the presence of nitric acid
文献类型：期刊论文
| 作者 | Zhou, Hanyang; Ao, Yinyong; Yuan, Jie; Peng, Jing; Li, Jiuqiang; Zhai, Maolin |
| 刊名 | RSC ADVANCES
 |
| 出版日期 | 2014 |
| 卷号 | 4期号:85页码:45612-45618 |
| ISSN号 | 2046-2069 |
| DOI | 10.1039/c4ra07662a |
| 英文摘要 | The extraction mechanism of 2,9-bis(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-benzo[1,2,4]triazin-3-yl)-1,10-phenanthroline (BTPhen) in combination with 1-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imides ionic liquids ([C(n)mim][NTf2], n = 2, 4, 8) in the presence of nitric acid is studied by using Eu3+, which has similar properties to trivalent actinides. The dominant complex compound forming between BTPhen and Eu changes from [Eu(BTPhen)(2)(NO3)](2+) to [Eu(BTPhen)(NO3)(3)] gradually with the increase of [HNO3] or the length of the alkyl chain in the [C(n)mim](+), indicating that the main extraction mechanism of BTPhen/[C(n)mim][NTf2] varies from a cation exchange mechanism to a neutral species mechanism. The irradiation of BTPhen in solid state has no effect on the extraction of Eu3+. The abnormally enhanced removal of Eu3+ was observed in irradiated BTPhen/[C(2)mim][NTf2] system with 0.1 M nitric acid, and it was attributed to the formation of precipitates between Eu3+ and trace radiolytic products of [C(2)mim][NTf2], which could be recovered by water washing before extraction. The extraction of Eu3+ was slightly changed for the irradiated BTPhen/[C(2)mim][NTf2] system with 1 M nitric acid, demonstrating good radiation stability of this novel extraction system. |
| 语种 | 英语 |
| WOS记录号 | WOS:000342993500097 |
| 出版者 | ROYAL SOC CHEMISTRY |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/43473]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Peng, Jing |
| 作者单位 | Peking Univ, Coll Chem & Mol Engn, Radiochem & Radiat Chem Key Lab Fundamental Sci, Beijing Natl Lab Mol Sci,Dept Appl Chem, Beijing 100871, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhou, Hanyang,Ao, Yinyong,Yuan, Jie,et al. Extraction mechanism and gamma-radiation effect on the removal of Eu3+ by a novel BTPhen/[C(n)mim][NTf2] system in the presence of nitric acid[J]. RSC ADVANCES,2014,4(85):45612-45618. |
| APA | Zhou, Hanyang,Ao, Yinyong,Yuan, Jie,Peng, Jing,Li, Jiuqiang,&Zhai, Maolin.(2014).Extraction mechanism and gamma-radiation effect on the removal of Eu3+ by a novel BTPhen/[C(n)mim][NTf2] system in the presence of nitric acid.RSC ADVANCES,4(85),45612-45618. |
| MLA | Zhou, Hanyang,et al."Extraction mechanism and gamma-radiation effect on the removal of Eu3+ by a novel BTPhen/[C(n)mim][NTf2] system in the presence of nitric acid".RSC ADVANCES 4.85(2014):45612-45618. |
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来源：化学研究所
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