Evaluation of Removal Behavior of Cesium in Contaminated Soil Based on Speciation Analysis

被引：4

作者：

Sasaki, Takahiro ^{[1
,2
,3
]}

Yamashita, Ayano ^{[3
]}

Terui, Norifumi ^{[4
]}

Hattori, Toshiaki ^{[5
]}

Tanaka, Shunitz ^{[3
]}

机构：

[1] Hlth Sci Univ Hokkaido, Fac Pharmaceut Sci, Kanazawa Ku, Ishikari, Hokkaido 0610293, Japan

[2] Muroran Inst Technol, Grad Sch Engn, Muroran, Hokkaido 0500071, Japan

[3] Hokkaido Univ, Grad Sch Environm Earth Sci, Kita Ku, Kita 10 Nishi 5, Sapporo, Hokkaido 0600810, Japan

[4] Natl Inst Technol, Ichinoseki Coll, Dept Chem Engn, Ichinoseki, Iwate 0218511, Japan

[5] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, Tenpa Ku, Toyohashi, Aichi 4418580, Japan

来源：

ANALYTICAL SCIENCES | 2020年 / 36卷 / 05期

关键词：

Speciation analysis; sequential extraction procedures; Cs-contaminated soil; removal behavior; PRUSSIAN BLUE; SEQUENTIAL EXTRACTION; RADIOCESIUM; ADSORPTION; CS; VERMICULITE; DESORPTION; EFFICIENT; IONS;

D O I：

10.2116/analsci.19SBP12

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The removal efficiency of Cs from contaminated soil depends on its chemical species bound with the soil components. Therefore, in this study, we observed the elution behavior of Cs based on speciation analysis in a Cs removal experiment conducted on contaminated soils. The treatment method was optimized using simulated contaminated soil and applied to actual contaminated soil on a large scale as well. The elution rate of Cs was approximately 50% or more in both actual and simulated contaminated soil using the optimized treatment method. From the obtained results, a robust treatment method using an eluting reagent and a magnetic adsorbent with low energy costs is proposed. Additionally, the usefulness of speciation analysis in decontamination studies was confirmed.

引用

页码：589 / 594

页数：6

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