ABSTRACT
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531
Silica Water Chemistry . . . . . . . . . . . . . . . . . . . . . . 531
Mechanisms of Surfactant and
Polymer Adsorption on Silica . . . . . . . . . . . . . . . . 532
Adsorption of Surfactants and Polymers . . . . . . . . . 532
Adsorption of Surfactant/Polymer Mixtures and Its Role in Flotation . . . . . . . . . . . . 533
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 533
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . 534
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534
Silica is encountered in various industrial processes, and to
control the performance of these processes, it is often
necessary to modify its surface properties such as zeta-
potential, suspension stability, hydrophobicity, and
adsorption capacity. Surface properties of silica are a func-
tion of its state of hydrolysis as well as pretreatment.
