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ESTIMATION OF AMMONIA AND HYDROGEN SULFIDE EMISSIONS FROM CATTLE FEEDLOTS IN TEXAS

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

Citation:  Paper number  034111,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.15038) @2003
Authors:   Bok-Haeng Baek, Jacek A. Koziel, Jarett P. Spinhirne, David B. Parker, N. Andy Cole
Keywords:   Ammonia, air quality, hydrogen sulfide, dynamic flow through surface chamber, flux, continuous emissions monitoring, area source, open dirt cattle feedlots, manure

A dynamic flow-through chamber system and continuous analyzers were used for on-site measurements of ammonia-nitrogen (NH3-N) and hydrogen sulfide-sulfur (H2S-S) fluxes from commercial feedlot surfaces in northwestern Texas during two week period in the summer of 2002. Manure pack moisture content, pH, and TKN were measured daily to characterize its relation with NH3-N fluxes. The preliminary average NH3-N and H2S-S flux from the feedlot surface were 1,669 1,212 NH3-N g/m2/min and 1.884 1.497 H2S-S g S/m2/min. Manure pack temperature and TKN was found to have a weak correlation with NH3-N flux.

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