Ozone Transfer in a New Gas-Induced Contactor with Microbubbles
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- Li Pan
- School of Science for Open and Environmental Systems, Graduate School of Science and Technology, Keio University
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- Tsuge Hideki
- School of Science for Open and Environmental Systems, Graduate School of Science and Technology, Keio University
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The process of ozonation is optimized when the gaseous ozone is efficiently dissolved into the liquid to be treated. The characteristics of microbubbles, such as high specific interfacial area, slow rising velocity and high inner pressure, suggest their desirability for the mass transfer of gas. In this study, a new microbubble generation system was developed and applied to an ozone contactor, and its characteristics were investigated in a semi-batch bubble column at different gas and water flow rates. The volumetric mass transfer coefficient increases with the increase of both induced-gas and water flow rates. High ozone transfer efficiency was obtained at low gas flow rates, which indicates that the present gas-induced ozone contactor using microbubbles is a desirable device for the dissolution of ozone at high concentrations.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 39 (11), 1213-1220, 2006
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390282679544077440
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- NII論文ID
- 10018401747
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- NII書誌ID
- AA00709658
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 8553635
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可