Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Evaluation of Indoor Air Quality Improvement by Formaldehyde Emission Rate in School Indoor Environment Using Mass Balance

물질수지를 이용한 학교 실내환경의 포름알데히드(HCHO) 배출량 산정에 의한 실내공기질 개선 평가

  • Yang, Won-Ho (Department of Occupational Health, Catholic University of Daegu) ;
  • Son, Bu-Soon (Department of Environmental Health Science, Soonchyunhyang University) ;
  • Kim, Dae-Won (Department of Environmental Science, Catholic University of Daegu) ;
  • Kim, Young-Hee (Department of Occupational Health, Catholic University of Daegu) ;
  • Byeon, Jae-Cheol (Department of Occupational Health, Catholic University of Daegu) ;
  • Jung, Soon-won (Department of Environmental Health Science, Soonchyunhyang University)
  • 양원호 (대구가톨릭대학교 산업보건학과) ;
  • 손부순 (순천향대학교 환경보건학과) ;
  • 김대원 (대구가톨릭대학교 환경과학과) ;
  • 김영희 (대구가톨릭대학교 산업보건학과) ;
  • 변재철 (대구가톨릭대학교 산업보건학과) ;
  • 정순원 (순천향대학교 환경보건학과)
  • Received : 2005.04.04
  • Accepted : 2005.09.12
  • Published : 2005.12.30
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Abstract

Schools have significant and serious indoor environmental health problem, of which indoor air quality (IAQ) in school building may affect the health of the students and indirectly affect learning performance. Schools are of special concern when regarding indoor exposure to air pollutants, because students are particularly sensitive to pollutants and spend a significant amount of time in that environment. Therefore researches for improvement of indoor air quality have been developed such as installation of air cleaning device, ventilation system, titanium dioxide(TiO2) coating and so on. However, it is difficult to evaluate the magnitude of improvement of indoor air quality in field study because indoor air quality can be affected by source generation, outdoor air level, ventilation, decay by reaction, temperature, humidity, mixing condition and so on. In this study, evaluation of reduction of formaldehyde emission rate in school indoor environments by far-Infrared ray coating material was carried out using mass balance model in indoor environment. we proposed the evaluation method of magnitude of improvement in indoor air quality, considering outdoor level and ventilation. Since simple indoor concentration measurements could not properly evaluate the indoor air quality, outdoor level and ventilation should be considered when evaluate the indoor air quality.

Keywords

References

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