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Development of a Combined Real Time Monitoring and Integration Analysis System for Volatile Organic Compounds (VOCs)
Department of Environmental Systems, Institute of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8563, Japan
Research Center for Sustainable Science and Engineering, Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1, Katahira, Sendai, Miyagi 980-8577, Japan
Tokyo Metropolitan Industrial Technology Research Institute, 3-13-10 Nishigaoka, Kita-ku, Tokyo 115-8586, Japan
Department of Materials and Life Science, Faculty of Science and Technology, Seikei University, 3-3-1 Kichijoji-kitamachi, Musashino, Tokyo 180-8633, Japan
* Author to whom correspondence should be addressed.
Received: 11 November 2010; Accepted: 26 November 2010 / Published: 26 November 2010
Abstract: A combined integration analysis and real time monitoring (Peak Capture System) system was developed for volatile organic compounds (VOCs). Individual integration analysis and real time monitoring can be used to qualitatively and quantitatively analyze VOCs in the atmosphere and in indoor environments and determine the variation in total VOC (TVOC) concentration with time, respectively. In the Peak Capture System, real time monitoring was used to predict future elevations in the TVOC concentration (peak), and this was used an indicator of when to collect (capture) ambient air samples for integration analysis. This enabled qualitative and quantitative analysis of VOCs when the TVOC concentration was high. We developed an algorithm to predict variation in the TVOC concentration, and constructed an automatic system to initiate air sampling for integration analysis. With the system, auto-sampling and analysis of VOCs in a conventional house were conducted. In comparison with background concentrations, the results of peak analysis enabled identification of compounds whose concentration rose. This also enabled an evaluation of possible VOC emission sources.
Keywords: volatile organic compounds (VOCs); integration analysis; real time monitoring; peak capture system
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Oka, K.; Iizuka, A.; Inoue, Y.; Mizukoshi, A.; Noguchi, M.; Yamasaki, A.; Yanagisawa, Y. Development of a Combined Real Time Monitoring and Integration Analysis System for Volatile Organic Compounds (VOCs). Int. J. Environ. Res. Public Health 2010, 7, 4100-4110.
Oka K, Iizuka A, Inoue Y, Mizukoshi A, Noguchi M, Yamasaki A, Yanagisawa Y. Development of a Combined Real Time Monitoring and Integration Analysis System for Volatile Organic Compounds (VOCs). International Journal of Environmental Research and Public Health. 2010; 7(12):4100-4110.
Oka, Kentaro; Iizuka, Atsushi; Inoue, Yasuo; Mizukoshi, Atsushi; Noguchi, Miyuki; Yamasaki, Akihiro; Yanagisawa, Yukio. 2010. "Development of a Combined Real Time Monitoring and Integration Analysis System for Volatile Organic Compounds (VOCs)." Int. J. Environ. Res. Public Health 7, no. 12: 4100-4110.