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- W2793149320 abstract "The Fukushima nuclear accident of March 11, 2011, resulted in soil and water contamination by radioactive cesium. Radioactive cesium transported by rivers was also found in the ocean sludge of Tokyo Bay. Cesium adsorbed on the sludge is not easily removed. One of the authors has developed an ocean sludgedecomposition system that employs micro-bubble circulation. The circulation of micro-bubbles creates anaerobic state that activates aerobic bacteria, facilitating decomposition and purification of the sludge. The objective of this study was to investigate the effect of the addition of bacteria to the micro-bubble circulation system on the efficient removal of radioactive cesium from ocean sludge. We tested the water purification effect of the system by adding bacteria directly. Results confirmed that the decomposition of the deposited sludge using our system facilitates the elution of the radioactive cesium. Any cesium eluted in the water can be remedied using existing technology such as zeolites. Purification efficiency seems to be greatest when additional bacteria are added directly to the process. With time, bacterial concentration doubles, and 76% of cesium in the liquid phase (dried sludge) and 51% of cesium in the solid phase (water) is removed." @default.
- W2793149320 created "2018-03-29" @default.
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- W2793149320 date "2018-07-01" @default.
- W2793149320 modified "2023-10-18" @default.
- W2793149320 title "REMOVAL OF RADIOACTIVE CESIUM FROM OCEAN SLUDGE BY THE BACTERIUM USING PURIFICATION SYSTEM OF CIRCULATION TYPE" @default.
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- W2793149320 doi "https://doi.org/10.21660/2018.47.7256" @default.
- W2793149320 hasPublicationYear "2018" @default.
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