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Removal of Radioactive Cesium (134Cs plus 137Cs) from Low-Level Contaminated Water by Charcoal and Broiler Litter Biochar

TitleRemoval of Radioactive Cesium (134Cs plus 137Cs) from Low-Level Contaminated Water by Charcoal and Broiler Litter Biochar
Publication TypeJournal Article
Year of Publication2014
AuthorsKimura, Keitarou, Hachinohe Mayumi, Klasson Thomas K., Hamamatsu Shioka, Hagiwara Shoji, Todoriki Setsuko, and Kawamoto Shinichi
JournalFood Science and Technology Research
Volume20
Pagination1183 - 1189
Date Published2014
ISSN1881-3984
Abstract

Various charcoals (used in food processing and water treatment) and broiler litter biochar were examined for ability to adsorb water-soluble low-level radioactive cesium (ca. 200 – 250 Bq/kg) extracted from contaminated wheat bran. Among the materials tested, steam activated broiler litter biochar was the most effective sorbent and was able to reduce the concentration of radioactive cesium to less than 10 Bq/kg. Adsorption was observed under neutral and alkaline conditions but not under acidic conditions. Cesium binding to steam activated broiler litter biochar appeared to be stable under alkaline conditions.

URLhttps://www.jstage.jst.go.jp/article/fstr/20/6/20_1183/_article
DOI10.3136/fstr.20.1183
Short TitleFSTR