Adsorption Behavior of Organic Substances onto Bubble Surface in Nonfoaming Bubble Separation.
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- Suzuki Akira
- Department of Chemistry, Faculty of Fisheries, Hokkaido University
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- Maruyama Hideo
- Department of Chemistry, Faculty of Fisheries, Hokkaido University
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- Seki Hideshi
- Department of Chemistry, Faculty of Fisheries, Hokkaido University
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The adsorption behavior of organic substances onto bubble surface in nonfoaming bubble separation was investigated. Experiments were conducted with a bubble column equipped with a droplet collector or a trap at its top. Crystal violet (CV) and humic acid (HA) were used as examples of surface-active substances.<BR>The amount adsorbed onto the bubble surface was calculated through the mass balance in the bubble column. Two adsorption parameters, equilibrium constant, K, and saturated surface density on bubble surface, γ, were determined for CV and HA, respectively, by flitting of the experimental results to a Langmuir-type isotherm. Using the value of K, γ and the intrinsic volumetric flow rate of droplets at the liquid-atmosphere interface, the variation of enriching ratio, E, with concentration of the solution was estimated and compared to the experimental results. The calculated E was in good accordance with the experimental ones for both CV and HA.
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 29 (5), 794-798, 1996
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
- 1390001204564697088
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- NII論文ID
- 10003815397
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DyaK28XmsVSms78%3D
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- ISSN
- 18811299
- 00219592
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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
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可