A Magnetic Carbon Sorbent for Radioactive Material from the Fukushima Nuclear Accident

URI http://repository.tsuyama-ct.ac.jp/metadata/862
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Title
A Magnetic Carbon Sorbent for Radioactive Material from the Fukushima Nuclear Accident
Author
著者 Yamaguchi Daizo
著者(別表記)
著者 Furukawa Kazumi
著者(別表記)
著者 Takasuga Masaya
著者(別表記)
著者 Watanabe Koki
著者(別表記)
Abstract

Here we present the first report of a carbon-γ-Fe(2)O(3) nanoparticle composite of mesoporous carbon, bearing COOH- and phenolic OH- functional groups on its surface, a remarkable and magnetically separable adsorbent, for the radioactive material emitted by the Fukushima Daiichi nuclear power plant accident. Contaminated water and soil at a level of 1,739 Bq kg(−1) ((134)Cs and (137)Cs at 509 Bq kg(−1) and 1,230 Bq kg(−1), respectively) and 114,000 Bq kg(−1) ((134)Cs and (137)Cs at 38,700 Bq kg(−1) and 75,300 Bq kg(−1), respectively) were decontaminated by 99% and 90% respectively with just one treatment carried out in Nihonmatsu city in Fukushima. Since this material is remarkably high performance, magnetically separable, and a readily applicable technology, it would reduce the environmental impact of the Fukushima accident if it were used.

Subject
500 Technology. Engineering
Keyword
Composites
Magnetic properties and materials
Geochemistry
Note

Article number: 6053

Publish Date
2014-08-13
Publication Title
Scientific Reports
Volume
4
ISSN
2045-2322
Publisher
Nature Publishing Group
DOI
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Contents Type
Journal Article
language
English
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