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Removal of Radioactivity and Recovery of Radioactive Cs from Sediment Mud and Soil in Fukushima, Japan Using Immobilized Photosynthetic Bacteria

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Abstract:

Radioactively polluted sediment mud and soil in Fukushima were subjected to a regime of practical treatment by the use of arginate beads, which contained immobilized photosynthetic bacteria, Rhodobacter sphaeroides SSI. A simple aerobic treatment system led to a removal and recovery of 73.2-81.9% radioactivity from polluted sediment mud, and a removal of 59.5-73.3% from polluted soil. After treatment, radioactive Cs incorporated into immobilized beads were recovered, which upon incineration were reduced by more than 97%, without ever scattering any radioactive Cs.

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Periodical:

Advanced Materials Research (Volume 1091)

Pages:

125-130

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1091.125

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Online since:

February 2015

Authors:

Kei Sasaki, Kenji Takeno, Hidenori Shinkawa, Ken Sasaki*, Nachiketa Das

Keywords:

Fukushima, Immobilized Beads, Photosynthetic Bacteria, Removal of Radioactivity, Sediment Mud, Soil

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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