Moisture content of different new and used air filter media under static climatic conditions
Bock, R., Schleibinger, H., Ruden, H.
1997
Healthy Buildings/IAQ '97, proceedings of a conference held Natcher Conference Center at National Institutes of Health, Bethesda, September 27-October 2, Vol 1, pp 593-598
moisture, filter, building materials, microbiological pollutant
Bock, R., Schleibinger, H., Ruden, H., (1997), "Moisture content of different new and used air filter media under static climatic conditions", Healthy Buildings/IAQ '97, proceedings of a conference held Natcher Conference Center at National Institutes of Health, Bethesda, September 27-October 2, Vol 1, pp 593-598.
| Abstract: |
| Microorganisms are able to colonize and amplify on different building materials if sufficient moisture and nutrients are present. Moisture may become available e.g. through sorption processes from the ambient air or from condensation. The moisture content (MC) required is often not large to enable supporting of moulds and/or bacteria growth.
This study describes the MC (or water binding capacity) of different commercial new and used air filter media determined under controlled static climate conditions. Measuring method was gravimetry by a precision scale, which has been a suitable method for the determination of MC of porous and lightweight materials. The collective data of this study show that moisture content of new filter media depends mainly on the textile structure of the medium, whereas the amount of atmospheric dust load is mainly responsible for the revealed MC of used filter media.
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