Environment - Air
Effects of inclusion of corn distillers dried grains with solubles in the diet of finishing pigs and gestating sows on nutrient excretion and gaseous emissions
October 12, 2011By Scott Carter
Three experiments were conducted to determine the effects of DDGS on nutrient excretion and gaseous emissions by swine. In Exp. 1, a total of 80 pigs initially weighing 36.8 kg were blocked by...
Environment - Air
Effectiveness of Biofilters in Reducing Aerial Pollutant Emissions
August 25, 2010By Teng Teeh Lim
The objectives of this research were to evaluate the effectiveness of two wood chip biofilters in reducing particulate matter, ammonia,...
Environment - Air
Mitigation of ammonia from swine barns through UV treatment of exhaust air
March 18, 2010By William Jenks
The use of deep UV light was investigated for the purpose of reducing ammonia from barn exhaust. The objectives of the study included (1) determining the amount of 254 and/or 185 nm light required to...
Environment - Air
Evaluation of the Effectiveness of the ISU Community Assessment Model in the Siting of Swine Production Units
December 14, 2009By Dr. Jay Harmon
It’s neither fun nor wise for rural communities to experience ongoing conflict related to odors from farming. The example of hog farming in Iowa provides a look at a conflict resolution tool...
Environment - Air
Odor compound production, accumulation, and volatilization from swine manure
October 31, 2009By Dan Miller
The objectives of this project were to determine the changes in odor compound content and composition of three swine manure storage systems over the course of a year characterize and compare the...
Environment - Air
Chemical Characterization of both particulates and gaseous emissions from impacted and non-impacted areas associated with swine feeding operations
August 6, 2009By Steven Trabue
Odorants in the air include both volatile organic and volatile sulfur compounds. Movement of these compounds from swine feeding operations to surrounding community is thought to occur either through...
Environment - Air
Simultaneous treatment of swine odor and airborne pathogens by UV254 light –
March 21, 2009By Jacek Koziel
A 1-year feasibility study was conducted, aiming to explore the effectiveness of UV light for simultaneous treatment of odor, odorous VOCs and airborne pathogen emissions from swine operations....
Environment - Air
Air Quality-Emission and Energy Usage Impacts of No Pit fans in a Wean to Finish Deep Pit Pig Facility.
February 27, 2009By Larry D. Jacobson
The primary objective of this project was to document the air quality impact (both barn air quality and gas emissions) through a simple modification to the ventilation system of deep-pit, pig...
Environment - Air
Field and Wind Tunnel Evaluation of Vegetative Buffers for Particulate Trapping and Odor Reduction Near Swine Production Facilities
January 14, 2009By Thomas J. Sauer
Growing number of swine operations have turned to natural buffers (also called shelterbelts or vegetative buffers) as part of their odor mitigation strategy. However, there is little to no data on...
Environment - Air
Alternative Biofilter Media Testing
October 31, 2008By Kevin Janni
Gas-phase biofilters are a proven method for reducing odor emissions from swine facilities and manure storage units. Woodchip and compost mixtures are commonly used as biofilter media. Widespread use...
