A novel multistage kinetic modeling of flotation for wastewater treatment

This study develops a new model for description of flotation kinetics. It defines flotation as a process that consists of several stages: separated air bubbles and particles, air bubbles and particles forming an aggregate, aggregate rising to the froth layer. This description significantly differs f...

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Bibliographic Details
Published inWater science and technology Vol. 68; no. 4; pp. 807 - 812
Main Authors Ksenofontov, B S, Ivanov, M V
Format Journal Article
LanguageEnglish
Published England IWA Publishing 01.01.2013
Subjects
Aggregates
Air bubbles
Bubbles
Flotation
Kinetics
Modelling
Models, Theoretical
Multistage
Waste Disposal, Fluid
Wastewater
Wastewater treatment
Water Purification
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Summary:This study develops a new model for description of flotation kinetics. It defines flotation as a process that consists of several stages: separated air bubbles and particles, air bubbles and particles forming an aggregate, aggregate rising to the froth layer. This description significantly differs from known models, which are much simplified. The multistage model gives a novel in-depth description and considers different aspects of flotation, i.e. aggregate formation, which is critically important for flotation to take place. Experimental approval of the new model resulted in its accuracy. The model is to be used for a description of kinetics of all flotation processes in wastewater treatment. It helps in accurate design of flotation treatment plants and may be used for further research of the flotation process.
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ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2013.303