Bench-scale electrokinetic remediation for cesium-contaminated sediment at the Hanford Site, USA

被引：12

作者：

Jung, Hun Bok ^{[1
]}

Yang, Jung-Seok ^{[2
]}

Um, Wooyong ^{[1
,3
]}

机构：

[1] Pacific NW Natl Lab, Richland, WA 99354 USA

[2] Korea Inst Sci & Technol, Kangnung, South Korea

[3] Pohang Univ Sci & Technol POSTECH, Div Adv Nucl Engn, Pohang 790784, South Korea

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2015年 / 304卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

Cesium; Electrokinetic remediation; Hanford site; Cation exchange; SUBSURFACE SEDIMENTS; SOIL; TECHNOLOGY; MIGRATION; REMOVAL; SAND;

D O I：

10.1007/s10967-014-3852-0

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We conducted a laboratory experiment to investigate the efficiency of electrokinetic (EK) remediation method for Hanford sediment (76 % sand and 24 % silt-clay) after artificial contamination with nonradioactive Cs-133 (0.01 M CsNO3) as a surrogate for radioactive 137 Cs. A significant removal of cationic Cs-133 from the sediment occurred from the cathode side (-), whereas the removal was negligible from the anode side (+) during the EK remediation process for 68 days. The experimental results suggest that the EK method can effectively remove radioactive Cs from the surface or subsurface sediment contaminated by radioactive materials in the Hanford Site, Washington, USA.

引用

页码：615 / 625

页数：11

共 23 条

[1] ELECTROKINETIC REMEDIATION - BASICS AND TECHNOLOGY STATUS [J].