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Monitoring and Regulation of Ozonation Systems in Livestock Production Facilities
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org
Citation: Paper number 024055, 2002 ASAE Annual Meeting . (doi: 10.13031/2013.9533) @2002
Authors: J. D. Hill, R. D. von Bernuth, N. P. Joshi
Keywords: Ozone, Gas Monitoring Systems, Pig Housing
Ozone is a naturally occurring triatomic allotrope of oxygen, which due to its high oxidation
potential can break-down odorous compounds, molds, viruses and toxic gases. However, to adopt ozonation
technology within commercial swine production systems a low cost, accurate and reliable monitoring system is
required.
The In-USA Inc. Ozone Hunter AET-030P is an electronic ozone detection unit, based on measurement of the
change in resistance across a semiconductor filament due to atmospheric ozone concentrations.
This research evaluated the precision and accuracy of the IN USA Inc Model AET-030P Hand Held Ozone
Monitor through a series of comparative analysis. Results indicate that this unit is neither accurate nor precise
enough to be utilized as a tool for the adoption of ozonation technology to the swine industry.
Unit comparative analysis revealed average daily ozone trends were consistent between three Ozone Hunter
AET-030P units, however comparison differences were inconsistent and greatly exceeded the manufacturers
+/-30% accuracy differential.
In comparison to UV absorption and colorimetric gas ozone detection systems, the IN-USA Inc. Ozone Hunter
AET-030P provided similar average ozone trend patters. However, this unit was not accurate or precise in
comparison to UV technology at atmospheric ozone levels and colorimetric ozone gas detection tubes
consistently revealed a significantly much higher ozone level at ozone injection rates currently recommended
for utilization in the swine industry.
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