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Cost-effectiveness analysis to assess commercial TiO2 photocatalysts for acetaldehyde degradation in air

Sammy W. Verbruggen, Tom Tytgat, Steven Van Passel, Johan A. Martens, and Silvia Lenaerts

Department of Bio-Engineering Sciences, Sustainable Energy and Air Purification, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium



Abstract: In the commercialisation of photocatalytic air purifiers, the performance as well as the cost of the catalytic material plays an important role. Where most comparative studies only regard the photocatalytic activity as a decisive parameter, in this study both activity and cost are taken into account. Using a cost-effectiveness analysis, six different commercially available TiO2-based catalysts are evaluated in terms of their activities in photocatalytic degradation of acetaldehyde as a model reaction for indoor air purification.

Keywords: photocatalysis – titanium dioxide – acetaldehyde – commercial – cost-effectiveness

Full paper is available at

DOI: 10.2478/s11696-014-0557-3


Chemical Papers 68 (9) 1273–1278 (2014)

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