Researchers ‘sniff out’ emissions from feedyards
PHYSORG.com
Setting up an air quality trailer in the midst of cattle pens at a feedlot will help measure gaseous emissions, said a Texas Agricultural Experiment Station researcher. Dr. Ken Casey, Experiment Station air quality engineer in Amarillo, wants to measure ammonia and hydrogen sulfide emissions from feedyards.
His research team is setting up two climate-controlled instrument trailers in different locations at a feedyard. The trailers will be equipped with two continuous emissions analyzers — one for ammonia, the other for hydrogen sulfide.
Samples from above the trailer are drawn into a heated manifold inside the trailer, where the analyzers draw their sample, Casey said. This instrumentation allows measurement of both ammonia and hydrogen sulfide with a high degree of precision.
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