Immobilised anatase on clay mineral particles as a photocatalyst for herbicides degradation

Paul, Blain, Martens, Wayde N., & Frost, Ray L. (2012) Immobilised anatase on clay mineral particles as a photocatalyst for herbicides degradation. Applied Clay Science, 57, pp. 49-54.

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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.

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ID Code: 48799
Item Type: Journal Article
Refereed: Yes
Keywords: Clay mineral particles, anatase, adsorption, water purification, herbicides, TEM
DOI: 10.1016/j.clay.2011.12.009
ISSN: 0169-1317
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 Elsevier
Deposited On: 23 Feb 2012 01:57
Last Modified: 23 Aug 2013 17:01

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