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|Title:||Photocatalytic degradation of particulate pollutants and self-cleaning performance of TiO2-containing silicate coating and mortar|
|Citation:||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|
|Appears in Collections:||Staff Publications|
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