Adsorption of uranium, cesium and strontium onto coconut shell activated carbon

被引：0
作者：
Matteo Caccin
Francesca Giacobbo
Mirko Da Ros
Luigi Besozzi
Mario Mariani
机构：
[1] Politecnico di Milano,Nuclear Engineering Section, Department of Energy
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2013年 / 297卷
关键词：
Adsorption; Uranium; Cesium; Strontium; Activated carbon;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The adsorption of uranium (VI), cesium and strontium ions from aqueous solutions onto a commercial activated carbon obtained by physical activation of coconut shell has been studied in batch systems. In particular the adsorption of uranium, studied as a function of contact time and metal ion concentration, followed pseudo-first-order kinetics. Equilibrium adsorption data were fitted by Langmuir and Freundlich isotherm models and the maximum adsorption capacity of the activated carbon resulted to be 55.32 mg/g. The study showed that the considered activated carbon could be successfully used for uranium adsorption from aqueous solutions. Feasibility of cesium and strontium adsorption onto the same activated carbon has been also investigated. Results showed that no affinities with both of these ions exist.
引用
收藏
页码：9 / 18
页数：9
相关论文
共 35 条
[1]  
Kutahyali C(2010)Sorption studies of uranium and thorium on activated carbon prepared from olive stones: kinetic and thermodynamic aspects J Nucl Mater 396 251-256
[2]  
Eral M(1996)Cadmium and zinc adsorption onto activated carbon: influence of temperature, pH and metal/carbon ratio J Chem Technol Biotechnol 66 279-285
[3]  
Marzal P(1992)Adsorption of organic matter from a wet phosphoric acid using activated carbon: batch contact time study and linear driving force models Canad J Chem Eng 70 491-498
[4]  
Silem A(2006)The removal of uranium(VI) from aqueous solutions onto activated carbon: kinetic and thermodynamic investigations J Colloid Interface Sci 296 434-441
[5]  
Mellah A(1994)Recovery of uranium from seawater. 15. Development of amidoxime resins with high sedimentation velocity for passively driver fluidized bed adsorbers Ind Eng Chem Res 33 657-661
[6]  
Chegrouche S(1986)Recovery of uranium by immobilized polyhydroxyanthraquinone Sep Sci Technol 21 519-534
[7]  
Barkat M(2004)Selective adsorption of uranium from aqueous solutions using activated carbon prepared from charcoal by chemical activation Sep Purif Technol 40 109-114
[8]  
Egawa H(2003)Adsorption of uranium on adsorbents produced from used tires J Radioanal Nucl Chem 256 99-105
[9]  
Sakaguchi T(2003)Surface complexation modeling of uranyl ion sorption on mesoporous silica Colloid Surf A 221 149-162
[10]  
Nakajima A(2008)Preparation of functionalized nanoporous carbons for uranium loading Colloid Surf A 313–314 292-295
1234