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Clean-up of Contaminated Indoor Air Using Photocatalytic Technology
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A number of Sick Building Syndrome studies have concluded that microorganisms, endotoxins and VOCs in indoor air are involved in the development and/or aggravation of allergies and illnesses in buildings. The phototcatalytic indoor air disinfection and detoxification technology provides one of the most viable solutions to the growing need to remediate and purify contaminated indoor air. The experiments were conducted in a stainless steel environmental chamber to quantitatively measure the photocatalytic VOC destruction using Acetone as a representative VOC. While monitoring the VOC destruction, carbon dioxide (C02) levels were also measured. By performing a mass balance between the VOC destruction and C02 production, the photocatalytic technology was found to be completely effective. Dark control experiments were performed for each condition to confirm the validity of each experiment. The photocatalytic technology tested in these experiments was demonstrated to completely oxidize acetone at normal indoor air atmospheric conditions.
Hingorani, S.; Greist, H.; Goswami, T.; Goswami, Y. (2000). Clean-up of Contaminated Indoor Air Using Photocatalytic Technology. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from