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Evaluation of a gas-phase hydrogen peroxide generating device.

Number: 3480

Author(s) : HOERTZ P., KUJAK S., OWEN K.

Summary

The novel Coronavirus disease (COVID-19) pandemic has driven innovation of new air cleaning technologies with renewed interest in determining effectiveness of both new and existing air cleaning technologies. A standardized test method for the evaluation of reactive air-cleaning technologies for both volatile organic compounds (VOCs) and microbiological agents does not exist at present. Since air movement in a building is very dynamic and situational, the lack of standardized test methods often leads to contradictory results or sub-optimal evaluation of a device’s performance in a laboratory setting.
In this paper, an air cleaning device that generates gas-phase hydrogen peroxide (H2O2) is evaluated for general effectiveness against bacteriophage MS2 (Emesvirus zinderi). The authors also describe the testing methodology used and discuss variables that could impact the reproducibility and repeatability of the results. In addition, various by-products were measured that could be generated by the device, specifically ozone, ions, and formaldehyde. The results of the study demonstrate that the gas-phase H2O2 generator is effective in reducing both airborne MS2 and MS2 on surfaces. Possible implications are discussed.

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Pages: 10 p.

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  • Original title: Evaluation of a gas-phase hydrogen peroxide generating device.
  • Record ID : 30030242
  • Languages: English
  • Source: 2022 Purdue Conferences. 7th International High Performance Buildings Conference at Purdue.
  • Publication date: 2022
  • Document available for consultation in the library of the IIR headquarters only.

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