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Electrostatic Space Charge System for Air Quality Improvement in Broiler Production Houses

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  034055,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.13866) @2003
Authors:   Bailey W. Mitchell, Casey Ritz, Brian Fairchild, Mike Czarick, and John Worley
Keywords:   Electrostatic, air quality, poultry, dust, ammonia

Reducing airborne dust in enclosed animal housing has been shown to result in corresponding reductions in airborne bacteria, ammonia and odor. Technologies that have been shown to be effective for reducing airborne dust in animal areas include misting with an oil spray, water mists, extra ventilation, and electrostatic space charge systems. Increasing pressure from environmental groups to reduce PM-10 and ammonia emissions from animal housing has led to considerable interest by the poultry and swine industries for practical systems to reduce these air pollutants. This presentation will describe an electrostatic space charge system (ESCS) that was designed to reduce airborne dust and ammonia emissions from a commercial broiler production house. The ESCS for this application was based on patented technology that was developed over a period of several years to reduce airborne dust and pathogens and proven in numerous research trials in poultry hatchers and growout areas. A recently completed study in a small broiler breeder house showed the ESCS reduced airborne dust by an average of 60%, ammonia by 56%, total bacteria by 76%, and it reduced the number of Salmonella infected broilers produced from eggs gathered in the study. Preliminary results of the present study in a broiler production house during the cool months of November through April indicate the ESCS reduced airborne dust by an average of 55% and ammonia by an average of 8% in a house with built-up litter. Later studies will include litter that is fresh or not over a few months old which is expected to improve the effectiveness of the ESCS for ammonia removal since a higher percentage of the ammonia produced would be on the dust that is removed.

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