2017 Annual Meeting
Mar 27 - Mar 29, 2017Tokai University Shonan Campus
2017 Annual Meeting
Mar 27 - Mar 29, 2017Tokai University Shonan Campus
[1A13]Novel restoration materials for clean-up of radionuclides in the environment(1)Accumulation of Sr during formation of biogenic Ca-carbonate
*Toshihiko Ohnuki1, Naofumi Kozai2, Mitsuo Yamashita3, Takumi Horiike3, Yua Dotsuta3, Satoshi Utsunomiya4(1. TITECH, 2. JAEA, 3. SIT, 4. Kyushu U.)
Keywords:
Bioremediation,Sr,Biogenic minerals,Environmental contamination
We have studied the elimination of 90Sr from sea water into biogenic calcite. Sr of 1 mM decreased up to 1/10 within 1 days. Electron microscopy and XAFS analyses elucidated the accumulation of Sr in the structure of Ca-carbonate.