We are using filters and UV-C radiation in HVAC here to keep the air free of virusses etc. :

"Desinfektion mit UV-C

Bekannte Einsatzgebiete von UV-C-Strahlung sind die Oberflächenentkeimung beispielsweise in Laboren, die Raumluftdesinfektion oder die Wasseraufbereitung. Die Wirksamkeit von Desinfektionsmaßnahmen mit UV-C-Strahlung hängt entscheidend von der Dosis ab: Die einwirkende Dosis muss hoch genug sein. Das heißt, die Bestrahlungsstärke muss groß genug und die Bestrahlungszeit lang genug sein.

Die erforderliche Dosis ergibt sich vor allem aus der Strahlungsempfindlichkeit der jeweiligen Mikroorganismen oder Viren. Unter Umständen spielen Faktoren wie Feuchtigkeit und Temperatur ebenfalls eine Rolle." (Bundesamt für Strahlenschutz)

Translated by Google:

"Disinfection with UV-C

Well-known areas of application for UV-C radiation are surface disinfection, for example in laboratories, room air disinfection or water treatment. The effectiveness of disinfection measures with UV-C radiation depends crucially on the dose: The effective dose must be high enough. This means that the irradiance must be large enough and the irradiation time long enough.

The required dose results primarily from the radiation sensitivity of the respective microorganisms or viruses. Factors such as humidity and temperature may also play a role. "

https://www.bfs.de/DE/themen/opt/anwendung-alltag-technik/uv/uv-c-strahlung/uv-c-desinfektion.html

Best

Christian

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I would love to know more about this as well!  Can we make sharing info on this public?

 

Jodi Lundgren

South Dakota Art Museum

 

From: Museum discussion list <[log in to unmask]> On Behalf Of Jessica Wilks
Sent: Monday, August 17, 2020 7:16 PM
To: [log in to unmask]
Subject: [MUSEUM-L] Plasma Filtration for HVAC?

 

Dear Museum Community,

 

We’ve been looking into some air purification systems to add an additional layer of protection to our existing and robust HVAC/ filtration system. We have started researching plasma technology to help address some of the concerns about the studies showing lingering airborne particles being distributed through ventilation systems.  

 

Have any of you had experience with this newish technology in a preservation environment? I would love to hear pros and cons before we make the leap (on or off list).

 

Thanks so much for your help!

 

Jessica Wilks

Associate Director of Curatorial and Head Registrar 

Tacoma Art Museum

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