Electrical Aspects of Adsorbing Colloid Flotation II. Theory of Rate Processes
- 1 August 1975
- journal article
- research article
- Published by Taylor & Francis in Separation Science
- Vol. 10 (4) , 407-415
- https://doi.org/10.1080/00372367508058029
Abstract
The kinetic and equilibrium factors affecting the rate of precipitate flotation are analyzed by means of the Gouy-Chapman model. Kinetic effects are found to be extremely rapid, and the rate of precipitate flotation is due to equilibrium considerations. Removal efficiency as a function of inert salt concentration goes through a maximum at about 10−5 M for films 300 Å thick. Removal efficiency increases with increasing zeta potential of the film surface and with increasing charge on the precipitate particles.Keywords
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