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Comfortable hospital with breathing boards.
Kunio Hashiguchi1, Kenji Hashimoto, Masaru Akao
1Dept. of Oral Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, 431-3192, Japan. m.m.hasi@d6.dion.ne.jp
Japan-Hospitals : the Journal of the Japan Hospital Association
|February 7, 2009
Summary
Breathing boards regulate indoor humidity between 40-70% by absorbing or releasing moisture. These boards also capture harmful substances and inhibit bacterial growth, improving indoor air quality and hospital environments.
Area of Science:
- Environmental Science
- Material Science
- Building Science
Background:
- Indoor air quality is crucial for health, with sick building syndrome linked to volatile compounds.
- Maintaining optimal humidity levels (40-70%) is essential for comfort and preventing microbial growth.
Purpose of the Study:
- To evaluate the efficacy of breathing boards in controlling indoor humidity.
- To assess the potential of breathing boards in mitigating sick building syndrome and preventing bacterial propagation.
Main Methods:
- Utilized breathing boards with hygroscopic vermiculite materials.
- Monitored room humidity levels under varying conditions.
- Assessed the boards' capacity to absorb volatile organic compounds and inhibit bacterial growth.
Main Results:
- Breathing boards effectively maintained relative humidity within the 40-70% range.
- The boards demonstrated absorption of airborne moisture when humidity increased and release when it decreased.
- Observed reduction in airborne contaminants and prevention of bacterial propagation.
Conclusions:
- Breathing boards offer a passive solution for humidity control, enhancing indoor environmental comfort.
- These boards contribute to healthier indoor spaces by reducing harmful volatile substances and inhibiting bacterial spread.
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