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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

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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