Advances in Engineering Advances in Engineering features breaking research judged by Advances in Engineering advisory team to be of key importance in the Engineering field. Papers are selected from over 10,000 published each week from most peer reviewed journals.
Journal Reference
Construction and Building Materials, Volume 96, 2015, Pages 96-101.
Shannon Bogutyn, Catalina Arboleda, Amanda Bordelon, Paul Tikalsky.
University of Utah, 110 Central Campus Drive, Salt Lake City, UT 84112, United States.
Mortar panels with embedded titanium dioxide particles were prepared to measure their photocatalytic efficiency for reducing nitrogen oxides pollutants from the air. The panels were tested in the as-cast condition and showed substantial NOx mitigating properties. The panels were then weathered by exposing them to summer poor air quality conditions for 120 days in two different locations within the Salt Lake City metropolitan area. After weathering the samples, they presented depleted photocatalytic properties. Rejuvenation techniques including hand sanding, walnut shell media blasting, and etching with muriatic acid were investigated. The rejuvenation techniques showed varying levels of effectiveness in returning the panels to mitigate low air quality.
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