Photocatalytic Decolorization of Lanasol Blue CE Dye Solution Using a Flat-Plate Reactor
Publication: Journal of Environmental Engineering
Volume 131, Issue 1
Abstract
This paper reports the effectiveness of the photocatalysis in degrading Lanasol Blue CE. A flat-plate reactor (FPR) with a reactor area of 0.37 and ultraviolet (UV) light source of six 36 W blacklight lamps was used in the study. Operating variables including dosage of the photocatalyst, flow rates through the FPR, UV intensity, and tilted angle of the reactor were investigated to degrade Lanasol Blue CE. Results showed that the photocatalytic process can efficiently remove the color in textile dyeing effluent. The degradation process was approximated using first-order kinetics. The photocatalytic apparent reaction rate increased with the increasing UV intensity received by the photocatalyst in slurry. The liquid flow rate and tilted angle influenced the film thickness. The apparent reaction rate constant was mainly determined by the liquid film thickness, UV intensity, and the dosage of the photocatalyst. The findings of this research can be utilized as preliminary input for potential solar photocatalytic applications on color removal from dye solutions.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 131 • Issue 1 • January 2005
Pages: 102 - 107
Copyright
© 2004 ASCE.
History
Received: Aug 20, 2002
Accepted: Dec 9, 2003
Published online: Jan 1, 2005
Published in print: Jan 2005
Notes
Note. Associate Editor: Mark J. Rood
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