Polysaccharide biopolymers modified with titanium or nickel nanoparticles for removal of radionuclides from aqueous solutions

被引：14
|
作者：
Pospechova, Jana [1 ]
Brynych, Vojtech [1 ]
Stengl, Vaclav [2 ]
Tolasz, Jakub [2 ]
Langecker, Jens Hagen [3 ]
Bubenikova, Maria [1 ]
Szatmary, Lorant [1 ]
机构：
[1] UJV Rez As, Fuel Cycle Chem & Waste Management Div, Husinec Rez 25068, Czech Republic
[2] Inst Inorgan Chem AS CR Vvi, Dept Chem Mat, Husinec Rez 25068, Czech Republic
[3] Inst Inorgan Chem AS CR Vvi, Dept Synth, Husinec Rez 25068, Czech Republic
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2016年 / 307卷 / 02期
关键词：
Composite nanomaterial; Cellulose; Chitin; Chitosan; Titanium oxide; Nickel oxide; Radionuclide removal; IONS ADSORPTION; STRONTIUM IONS; WASTE-WATER; METAL-IONS; CHITOSAN; SORPTION; CHITIN; BEHAVIOR; CESIUM; ADSORBENTS;
D O I：
10.1007/s10967-015-4414-9
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
New composite nanomaterials of cellulose, chitin, and chitosan modified with titanium or nickel nanoparticles were developed and tested for removal of Cs-137, Sr-85, Co-60, and Eu152+154 from aqueous solutions. The composite nanomaterials were characterized by X-ray diffraction, high-resolution scanning electron microscopy, infrared spectroscopy, and nitrogen adsorption-desorption isotherms. The influencing factors of metal adsorption were investigated, including contact time, pH, and metal ions concentration. Freundlich and Langmuir models were applied to fit the Sr(II) equilibrium adsorption data. All Ti modified biopolymers are promising adsorbents for Sr-85, Co-60, and Eu152+154 removal from radioactive wastewater.
引用
收藏
页码：1303 / 1314
页数：12
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