Comparison of the photoactivities of two commercial titanium dioxide powders in the degradation of 1,4-dioxane-Reference-Cited by-同舟云学术

Comparison of the photoactivities of two commercial titanium dioxide powders in the degradation of 1,4-dioxane

Published:2002 Issue:4 Volume:4 Page:141-146
ISSN:1110-662X
Container-title:International Journal of Photoenergy
language:en
Short-container-title:International Journal of Photoenergy

Author:

Mehrvar M.¹,Anderson W. A.²,Moo-Young M.²

Affiliation:

1. Department of Chemistry, Biology and Chemical Engineering, Ryerson University, Ontario, Toronto M5B 2K3, Canada

2. Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada

Abstract

Two different commercial photocatalysts, Degussa P25 and Hombikat UV 100, were used to degrade 1,4-dioxane photocatalytically in an annular slurry photoreactor. The optimum photocatalyst loading for Degussa P25 was found to be1.5gL-1while for Hombikat UV 100 was between3.0−4.0gL-1. The photoactivity of Degussa P25 is higher than that of Hombikat at lower photocatalyst loadings whereas it is lower at higher photocatalyst loadings. This was found both experimentally and also by mathematical modeling of the radiation within the photoreactor zone. The photoactivity of UV 100 titanium dioxide was found to be twice that of Degussa P25 at optimum loadings.

Funder

Natural Sciences and Engineering Research Council of Canada

Publisher

Hindawi Limited

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,Atomic and Molecular Physics, and Optics,General Chemistry

Link

http://downloads.hindawi.com/journals/ijp/2002/259026.pdf

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