Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7530
Title: Microfluidic reactors for visible-light photocatalytic water purification assisted with thermolysis
Authors: Wang, N
Tan, F
Wan, L
Wu, M
Zhang, X 
Keywords: Micro-fluidic reactors
Photo-catalytic
Visible light
Water purification
Issue Date: Sep-2014
Publisher: AIP Publishing
Source: Biomicrofluidics, Sept. 2014, no. 8, 054122, p. 1-10 How to cite?
Journal: Biomicrofluidics 
Abstract: Photocatalytic water purification using visible light is under intense research in the hope to use sunlight efficiently, but the conventional bulk reactors are slow and complicated. This paper presents an integrated microfluidic planar reactor for visible-light photocatalysis with the merits of fine flow control, short reaction time, small sample volume, and long photocatalyst durability. One additional feature is that it enables one to use both the light and the heat energy of the light source simultaneously. The reactor consists of a BiVO4-coated glass as the substrate, a blank glass slide as the cover, and a UV-curable adhesive layer as the spacer and sealant. A blue light emitting diode panel (footprint 10 mm × 10 mm) is mounted on the microreactor to provide uniform irradiation over the whole reactor chamber, ensuring optimal utilization of the photons and easy adjustments of the light intensity and the reaction temperature. This microreactor may provide a versatile platform for studying the photocatalysis under combined conditions such as different temperatures, different light intensities, and different flow rates. Moreover, the microreactor demonstrates significant photodegradation with a reaction time of about 10 s, much shorter than typically a few hours using the bulk reactors, showing its potential as a rapid kit for characterization of photocatalyst performance.
URI: http://hdl.handle.net/10397/7530
ISSN: 1932-1058 (EISSN)
DOI: 10.1063/1.4899883
Rights: Copyright (2014) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in N. Wang et al., Biomicrofluidics, 8, 054122 (2014) http://dx.doi.org/10.1063/1.4899883 and may be found at http://scitation.aip.org/content/aip/journal/bmf/8/5/10.1063/1.4899883.
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