Metz Farms Ozone Installation
Odor Control with Ozone
- 10,000-head hog facility in St. Marie de Kent, New Brunswick Canada
- The building is 110,000 square feet (2.5 acres!).
- Odor from this building could be detected up to 3.5 Miles (6 km) away.
- Odor complaints were common. Local communities were attempting to shut down this facility due to the offensive odors.
- Odor control options were limited as this facility was already constructed and in operation.
- As residential communities have grown closer to the farm over time, odor complaints have increased.
Front View of the Hog Facility
Full View of the Hog Facility
Ozone Solutions Used
- Ozone gas was used within the building at low levels to maintain an odor free environment.
- Low ozone levels (0.05 - 0.1 PPM) were maintained in the building at all times.
- The building was made up of 15 individual rooms. The ozone level in each room was controlled independently.
- One 160 g/hr ozone generation system was used to control odor.
- Manual flow meters controlled ozone flow to each room.
- Ozone concentration could be adjusted with adjustable-output ozone generators.
- Ozone generation system was placed within a dedicated, environmentally-controlled room.
Ozone monitors were used for safety and ozone-level control.
Air compressor, oxygen concentrator and window air conditioner are visible in the equipment room.
Ozone Distribution System: Ozone line is connected to the distribution pipe. A fan pushes ozone and air throughout the room.
- Odor emissions from the active Hog facility were reduced by over 75%.
- Odor emissions were reduced sufficiently to allow the continued operation of this agricultural facility.
- After installation of the ozone system odor was not detected beyond the property line (300 ft or less from the building). A complete success!
Commonly, when installing ozone systems we are presented with many additional and sometimes unanticipated benefits.
- Workers were presented with a better work environment (Happier employees!).
- Feed consumption per hog was reduced.
- Average daily weight gain per hog was increased.
- A drop in mortality rate was realized.
- An overall higher health herd was achieved, resulting in a higher return per hog space.
- Increased general air-quality due to less dust particles in the air.
Last Updated: May 30, 2012
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