期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 311, 期 2, 页码 1227-1233出版社
SPRINGER
DOI: 10.1007/s10967-016-5047-3
关键词
Adsorption; Radium-226; Aqueous media; Adsorption isotherms; Thermodynamic; Kinetics
资金
- Unit of the Scientific Research Projects of Ege University
The composite adsorbent prepared by mixing of polyacrylonitrile and clinoptilolite was used for investigating the adsorption behaviour of Ra-226 in column system. The effective parameters like initial activity concentration, pH of the solution, contact time and temperature for adsorption behaviour of Ra-226 were studied. Adsorption efficiency of Ra-226 on composite adsorbent from aqueous solution was determined to 98.73 +/- 0.59 % at pH 5.0 and 30 A degrees C in a short time. The isotherm models were studied to evaluated adsorption characteristics of Ra-226 onto composite adsorbent. The thermodynamic parameters were showing that the processes for Ra-226 were exothermic. Adsorption kinetics of the radium is also studied.
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