United States: Researchers aim to improve indoor air quality in cage-free layer houses
Innovation & Technology
Published Nov 30, 2023
Researchers at North Carolina State University have completed a funded research project that focused on using an electrostatic precipitator to improve indoor air quality in cage-free layer houses. The project, supported in part by a donation from Cal-Maine Foods, was part of the USPOULTRY research program, which has invested over $36 million in poultry and egg production research. The objective of the project was to develop and evaluate a recirculating electrostatic precipitator for reducing dust concentrations and improving air quality in cage-free layer houses.
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A summary of the completed project: Project #F90: Using Electrostatic Precipitator to Improve Indoor Air Quality in Cage-Free Layer Houses - Sanjay Shah, Ph.D., Biological and Agricultural Engineering Department, North Carolina State University, Raleigh, N.C. Dr. Sanjay Shah and colleagues with North Carolina State University recently completed a research project with the overall objective of developing and evaluating a recirculating electrostatic precipitator (ESP) for its ability to improve indoor air quality in cage-free layer houses with litter floors. Specific objectives were to design and fabricate a full-scale recirculating ESP unit; evaluate the removal efficiency of the ESP in the cage-free layer house for particulate matter, ammonia, and airborne bacteria and fungi; and evaluate the impact of the ESP on barn indoor air quality for particulate matter. The central hypothesis of this research was that a recirculating ESP could ...