Development of Incombustible Waste Disposal System Using Supercritical Water
Project/Area Number |
24656572
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Research Category |
Grant-in-Aid for Challenging Exploratory Research
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Allocation Type | Multi-year Fund |
Research Field |
Nuclear engineering
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Research Institution | Kinki University |
Principal Investigator |
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Project Period (FY) |
2012-04-01 – 2015-03-31
|
Project Status |
Completed (Fiscal Year 2014)
|
Budget Amount *help |
¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
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Keywords | 超臨界水 / 亜臨界水 / 減容処理 / 難燃性廃棄物 / 液体燃料生成 / 廃棄物処理 |
Outline of Final Research Achievements |
In nuclear power stations, rubber groves and tapes made of polyvinyl chloride are used to minimize the radiation damage of workers. Once-through use is applied for these materials in spite of the incombustibility and, therefore, each site has recently suffered from increases in the amount of incombustible wastes. To overcome the problem, decomposition of such incombustible solid materials was examined by using supercritical or subcritical water in this study. One of the advantages of this method is that nothing except water should be added for the treatment, which greatly contributes to the suppression of generation of the secondary wastes. As a result of the experiments, these materials were found to be decomposed to liquid under some conditions. In addition, an IR analysis identified the liquid as some forms of natural oil. This means that the proposed method is promising not only to the decomposition of incombustible wastes but also to the recovery of useful fuels.
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Report
(4 results)
Research Products
(3 results)