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Installation of a ultraviolet irradiation system, type C (UVC), plant and its influence on indoor air quality (IAQ).

Author(s) : PETTERSEN H., HANNEVOLD B., ØIE L.

Summary

The authors investigated the effect of UVC on IAQ in a ventilation plant in a typical office building. The UVC-system consisted of UVC-lights for irradiation on all central components in the air handling unit. A similar ventilation plant, but without UVC, was chosen, as a reference plant. Microorganisms on surfaces, living airborne mould spores and MVOC (Microbial Volatile Organic Compounds) were sampled throughout the ventilation plant and in corresponding rooms before and after UVC-irradiation. In addition, parallel measurements in the reference plant were conducted. The number of colony forming units on surfaces were reduced in the "UVC-plant" after irradiation. For living airborne mould spores and MVOCs, no significant difference was observed. Conclusive UVC-systems seem in general to have little effect on IAQ in buildings with normal comfort ventilation plants.

Details

  • Original title: Installation of a ultraviolet irradiation system, type C (UVC), plant and its influence on indoor air quality (IAQ).
  • Record ID : 2004-2440
  • Languages: English
  • Publication date: 2003/06/15
  • Source: Source: Pap. int. Conf. cold Clim. HVAC, Trondheim
    10 p.; fig.; tabl.; 14 ref.
  • Document available for consultation in the library of the IIR headquarters only.

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