Journal
APPLIED CLAY SCIENCE
Volume 57, Issue -, Pages 49-54Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.clay.2011.12.009
Keywords
Clay mineral particles; Anatase; Adsorption; Water purification; Herbicides; TEM
Funding
- Australian Research Council (ARC)
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Materials consisting of anatase linked to Laponite particles were synthesized by the reaction of TiOSO4 with Laponite, and were used for the degradation of pesticides. All these materials were characterized by XRD, FTIR, Raman, TEM, specific surface area and porosity determinations. Based on the amount of photoactive phase per unit mass of the clay mineral, not based on the total weight of the catalysts, these porous catalysts were displaying a high degradation rate than commercial P25. The TiO2 immobilized clay mineral catalysts can sediment in few minutes and could be readily separated out from a slurry system after the photocatalytic reaction. Settling properties of these catalysts are enormously high in aqueous media in contrast to P25. (C) 2012 Elsevier B.V. All rights reserved.
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