2014 Fiscal Year Final Research Report
Enhancement of plasma-liquid mass transfer of active species and decomposition of organic compounds in water using electrohydrodynamic effect
| Project/Area Number |
25790071
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Plasma electronics
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| Research Institution | Tokyo Institute of Technology |
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Principal Investigator |
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| Project Period (FY) |
2013-04-01 – 2015-03-31
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| Keywords | OHラジカル / 促進酸化処理 / 有機物分解 / 気液界面プラズマ / 物質移動 / 電気流体力学効果 / 反応シミュレーション |
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| Outline of Final Research Achievements |
Decomposition of acetic acid in water using plasma on gas-liquid interface and numerical simulation of reactions considering flows and mass transfer were conducted. It was revealed that the gas flow generated by an electrohydrodynamic effect was not effective to enhance the mass transfer of OH radical and hydrogen peroxide transferred to the solution restrained the decomposition of acetic acid.
The addition of ozone into the solution seemed to be effective because OH radical can be re-generated by a reaction between ozone and hydrogen peroxide. The selectivity in generations of OH radical and hydrogen peroxide or ozone has been enhanced by controlling the input power to plasma generated in gas bubbles. It is expected that multiple generation of the plasmas at different powers achieves highly efficient decomposition system of organic compounds in water.
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| Free Research Field |
プラズマ工学
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