書誌事項
- タイトル別名
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- Comparison of Treatabilities by Casein and Several Kinds of Surfactants in Coagulation and Foam Separation.
- カゼイン ト スウシュルイ ノ カイメン カッセイザイ オ モチイタ バアイ ニ オケル ギョウシュウ ホウマツ ブンリホウ ノ ショリセイ ヒカク
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説明
Using milk casein and several kinds of surfactants as chemical agents, removal of suspended solids by coagulation and foam separation with dispersed air was examined. Casein functioned both as a collector and a frother, and coagulating flocs were almost perfectly recovered in foam generated from the liquid. Although oleic acid of anionic surfactant functioned as a collector, the removal efficiency of suspended solids was lower than that of casein. In contrast, cationic, amphoteric, and nonionic surfactants did not function act as collectors. It was clarified that casein had a much greater capacity for producing the hydrophobic interface of flocs than the surfactants used. However, all of the surfactants could also be utilized as frothers for recovering the hydrophobic flocs with casein.<br>For municipal wastewater treatment, a very high removal efficiency was obtained with a small amount of casein (3mg·l-1), because detergent contained in the wastewater functioned as a frother. In this method using casein, detergent is one of the object substances in wastewater. It is utilized as a foaming agent and is removed with foam.
収録刊行物
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- 水環境学会誌
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水環境学会誌 25 (8), 477-483, 2002
公益社団法人 日本水環境学会
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詳細情報 詳細情報について
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- CRID
- 1390282680058446464
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- NII論文ID
- 10009548568
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- NII書誌ID
- AN10372439
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- COI
- 1:CAS:528:DC%2BD38XnsVKksbs%3D
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- ISSN
- 18813690
- 09168958
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- NDL書誌ID
- 6257579
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- 本文言語コード
- ja
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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