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| 1 | Synthesis of novel nanomaterials and their application in efficient removal of radionuclides显示文摘With the development of nuclear energy, large amounts of radionuclides are inevitably released into the natural environment. It is necessary to eliminate radionuclides from wastewater for the protection of environment. Nanomaterials have been considered as the potential candidates for the effective and selective removal of radionuclides from aqueous solutions under complicated conditions because of their high specific surface area, large amounts of binding sites, abundant functional groups, pore-size controllable and easily surface modification. This review mainly summarized the recent studies for the synthesis, fabrication and surface modification of novel nanomaterials and their applications in the efficient elimination and solidification of radionuclides,and discussed the interaction mechanisms from batch experiments, spectroscopy analysis and theoretical calculations. The sorption capacities with other materials, advantages and disadvantages of different nanomaterials are compared, and at last the perspective of the novel nanomaterials is summarized. | Xiangxue Wang Long Chen Lin Wang Qiaohui Fan Duoqiang Pan Jiaxing Li Fangting Chi Yi Xie Shujun Yu Chengliang Xiao Feng Luo Jun Wang Xiaolin Wang Changlun Chen Wangsuo Wu Weiqun Shi Shuao Wang Xiangke Wang | 2019 | Science China Chemistry2019，62，8： | 20 |
| 2 | Sorption of uranyl ions on TiO_2:Effects of pH,contact time,ionic strength,temperature and HA显示文摘Sorption of U(VI) onto TiO_2 as functions of pH, ionic strength, contact time, soil humic acid(SHA), solid-to-liquid ratio and temperature was studied under ambient conditions using batch and spectroscopic approaches. The sorption of U(VI) on TiO_2 was significantly dependent on pH and ionic strength. The presence of SHA slightly enhanced the sorption of U(VI) on TiO_2 below pH 4.0, while it inhibited U(VI) sorption in the higher pH range. U(VI)sorption on TiO_2 was favored at high temperatures, and the sorption process was estimated to be endothermic and spontaneous. Reduction of U(VI) to lower valent species was confirmed by X-ray photo-electron spectroscopy analysis. It is very interesting to find that U(VI) sorption on TiO_2 was promoted in solutions with higher back-ground electrolyte concentrations. In the presence of U(VI), higher back-ground electrolyte made more TiO_2 particles aggregate through(001) facets, leading more(101) facets to be exposed. Therefore, the reduction of U(VI) was enhanced by the exposed(101) facets and more U(VI) removal was observed. | Jingjing Wang Bihong He Xiaoyan Wei Ping Li Jianjun Liang Shirong Qiang Qiaohui Fan Wangsuo Wu | 2019 | Journal of Environmental Sciences2019，31，1： | 7 |
| 3 | The sorption mechanisms of Th(Ⅳ) on attapulgite显示文摘The surface properties of intrinsic and activated attapulgite were studied using potentiometric titration.The sorption mechanisms of Th(IV) on intrinsic and activated attapulgite were investigated by employing surface complexation model and FITEQL 3.2 code.The results indicated that the sorption sites of intrinsic attapulgite involved in the sorption process were main ion exchange site(≡ XNa/K),strong site(≡ SsOH) and weak site(≡ SwOH),while only strong site(≡ SsOH) and weak site(≡ SwOH) were predominant for activated attapulgite.At pH < 2.5,the species of Th(IV) was main Th4+ in aqueous solution;then the hydrolysis species of Th(IV)(i.e.,Th(OH)22+,Th(OH)+3 and Th(OH)04) gradually formed as pH increasing.For the sorption of Th(IV) on intrinsic attapulgite,both ion exchange species(≡ X2Th) and inner-sphere surface complexes(≡ SsOTh) were dominant,while only inner-sphere surface complexes(i.e.,≡ SsOThOH and ≡ SwOTh) were observed for Th(IV) sorption to activated attapulgite.In the presence of humic acid(HA),the sorption of Th(IV) on activated attapulgite was obviously enhanced;and both ≡ SsOH-HA-Th and ≡ SsOTh were the predominant speciation.It was also interesting to find that the addition of HA obviously provoked the desorption behavior of Th(IV). | PAN DuoQiang FAN QiaoHui DING KeFei LI Ping LU Yan YU Tao XU Jiang WU WangSuo | 2011 | Science China Chemistry2011，54，7： | 6 |
| 4 | Sorption of copper (11) onto superabsorbent of bentonitepolyac- rylamide composites显示文摘 | Zhao Guixia Zhang Hongxia Fan Qiaohui | 2010 | Journal of Hazardous Material2010，，173： | 1 |
| 5 | Effect of pH, ionic strength and humic acid on the sorption of uranium(VI) to attapulgite显示文摘 | Zhiwei Niu Qiaohui Fan Wenhua Wang Junzheng Xu Lei Chen Wangsuo Wu | 2009 | Applied Radiation and Isotopes2009，，9： | 1 |
| 6 | Sorptiowdesorption of Th (Ⅳ) on attapulgite: Effects of pH, ionic strength and temperature 显示文摘 | WU Wangsuo FAN Qiaohui XU Junzheng | 2007 | Applied Radiation and Isotopes2007，65，10： | 1 |
| 7 | Effect of pH,ionic strength and humic acid on the sorption of uranium(VI)to attapulgite显示文摘 | Zhiwei Niu Qiaohui Fan Wenhua Wang | 2009 | Applied Radiation and Isotopes2009，67，9： | 1 |
| 8 | Effect of pH, ionic strength, temperature and humic substances on the sorption of Ni (11) to Na-attapulgite显示文摘 | FAN Qiaohui SHAO Dadong LU Yi | 2009 | Chemical Engineering Journal2009，150，1： | 1 |
| 9 | Effect of pH,ionic strength,temperature,and humic substance on the sorption of Ni(II)to Na-attapulgite显示文摘 | Fan Qiaohui Shao Dadong Lu Yi | 2009 | Chem Eng J2009，150，1： | 1 |
| 10 | Effect of pH, ionic strength, temperature and humic substances on the sorption of Ni(II) to Na–attapulgite显示文摘 | Qiaohui Fan Dadong Shao Yi Lu Wangsuo Wu Xiangke Wang | 2008 | Chemical Engineering Journal2008，，1： | 1 |
| 11 | Sorptiondesorption of Th (Ⅳ) on attapulgite:effects of pH,ionic strength and temperature显示文摘 | Wu Wangsuo Fan Qiaohui Xu Junzheng | | 0，，： | 1 |
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