Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.conbuildmat.2013.03.009
Title: Photocatalytic degradation of particulate pollutants and self-cleaning performance of TiO2-containing silicate coating and mortar
Authors: Krishnan, P.
Zhang, M.-H. 
Yu, L. 
Feng, H.
Keywords: Mortar
Particulate pollutant
Photocatalyst
Rhodamine B
Self-cleaning
Silicate coating
Titanium oxide
Issue Date: 2013
Source: Krishnan, P., Zhang, M.-H., Yu, L., Feng, H. (2013). Photocatalytic degradation of particulate pollutants and self-cleaning performance of TiO2-containing silicate coating and mortar. Construction and Building Materials 44 : 309-316. ScholarBank@NUS Repository. https://doi.org/10.1016/j.conbuildmat.2013.03.009
Abstract: Photocatalytic degradation of particulate pollutants and self-cleaning performance of TiO2-containing silicate coatings and TiO 2-containing mortars were experimentally examined and compared using rhodamine B (RhB) as a surrogate for airborne particulate pollutants. An optimal dosage of the TiO2 in the silicate coating was determined from the experiments. The specimens coated with silicate containing 15% TiO2 by mass of solid silicate had photocatalytic performance comparable to the mortar specimens with 2% TiO2 by mass of cement although the former required 20 times less TiO2 (based on 12 mm thick specimens). The specimens coated with silicate containing 15% TiO2 showed satisfactory degradation efficiency in laboratory accelerated tests up to 2500 h of simulated UV irradiation, similar to at least 2.4 years based on a tropical warm and humid condition, indicating its durable performance. © 2013 Elsevier Ltd. All rights reserved.
Source Title: Construction and Building Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/91136
ISSN: 09500618
DOI: 10.1016/j.conbuildmat.2013.03.009
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