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Open AccessArticle

Photocatalytic Solar Tower Reactor for the Elimination of a Low Concentration of VOCs

Research Institute for Environmental Management Technology, National Institute of Advanced Industrial Science and Technology, 16-1 Onogawa, Tsukuba 305-8569, Japan
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Molecules 2014, 19(10), 16624-16639; https://doi.org/10.3390/molecules191016624
Received: 28 August 2014 / Revised: 29 September 2014 / Accepted: 8 October 2014 / Published: 15 October 2014
(This article belongs to the Special Issue Photocatalysis)
We developed a photocatalytic solar tower reactor for the elimination of low concentrations of volatile organic compounds (VOCs) typically emitted from small industrial establishments. The photocatalytic system can be installed in a narrow space, as the reactor is cylindrical-shaped. The photocatalytic reactor was placed vertically in the center of a cylindrical scattering mirror, and this vertical reactor was irradiated with scattered sunlight generated by the scattering mirror. About 5 ppm toluene vapor, used as representative VOC, was continuously photodegraded and converted to CO2 almost stoichiometrically under sunny conditions. Toluene removal depended only on the intensity of sunlight. The performance of the solar tower reactor did not decrease with half a year of operation, and the average toluene removal was 36% within this period. View Full-Text
Keywords: photocatalyst; VOCs; toluene; solar reactor; field test photocatalyst; VOCs; toluene; solar reactor; field test
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Negishi, N.; Sano, T. Photocatalytic Solar Tower Reactor for the Elimination of a Low Concentration of VOCs. Molecules 2014, 19, 16624-16639.

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