Modeling Ion-Exchange for Cesium Removal from Alkaline Radioactive Waste Solutions

被引：15
|
作者：
Smith, F. G., III [1 ]
Hamm, L. L. [1 ]
Aleman, S. E. [1 ]
Johnson, M. E. [2 ]
机构：
[1] Savannah River Natl Lab, Aiken, SC 29808 USA
[2] CH2M HILL Hanford Grp Inc, Richland, WA USA
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2009年 / 44卷 / 13期
关键词：
Cesium removal; ion-exchange; process modeling; radioactive waste; BEDS;
D O I：
10.1080/01496390903182545
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The performance of spherical Resorcinol-Formaldehyde ion-exchange resin for treatment of radioactive waste solutions is investigated through computer modeling. Results show that ion-exchange is an efficient method for cesium removal from highly alkaline radioactive waste solutions. On average, two 1300 liter columns operating in series are able to treat 690,000 liters of waste with an initial cesium concentration of 0.09mM in 11 days achieving a decontamination factor of over 50,000. The study investigated the sensitivity of ion-exchange column performance to variations in flow, temperature, and column dimensions. Modeling results can be used to optimize the design of the ion exchange system.
引用
收藏
页码：2983 / 3012
页数：30
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