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Title: Quantification of foaming behaviour using foam index
Authors: Ng, W.J. 
Ong, S.L. 
Sarada, N.
Hu, J.Y. 
Fan, X.J.
Ang, W.S.
Keywords: Absolute foam index
Airflow rate
Filament count
Foam index
True foam index
Issue Date: 2000
Citation: Ng, W.J.,Ong, S.L.,Sarada, N.,Hu, J.Y.,Fan, X.J.,Ang, W.S. (2000). Quantification of foaming behaviour using foam index. Water Science and Technology 42 (3-4) : 423-428. ScholarBank@NUS Repository.
Abstract: The factors influencing foam index were identified and their effects on foam index were investigated. It was noted that increasing the diameter of the flotation cell led to an increase in foam index. The maximum foam index was found to occur at a constant air/solids ratio when MLSS was varied with time of aeration or airflow. A good degree of correlation was also obtained between filament count and foam index. A small concentration of Surfactants was sufficient to induce foaming. However, further increase in surfactants showed relatively little influence on Foam Index.
Source Title: Water Science and Technology
ISSN: 02731223
Appears in Collections:Staff Publications

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