Animal husbandry – Confining or housing – Permanent building
Reexamination Certificate
2007-05-15
2007-05-15
Swiatek, Robert P. (Department: 3644)
Animal husbandry
Confining or housing
Permanent building
C119S448000
Reexamination Certificate
active
10709457
ABSTRACT:
A system and method of reducing odors of livestock confinement operations which utilizes a V-shaped filter of wood chips disposed in front of exhaust fans from manure pits under a livestock confinement building and a method of cleaning the wood chips involving spraying them with a solution.
REFERENCES:
patent: 4292927 (1981-10-01), Sassmann
patent: 5666905 (1997-09-01), Mackin et al.
patent: 6321687 (2001-11-01), Lemmon et al.
“Fresh From The Farm” by David Taylor, Environmental Health Perspective, vol. 107 No. 3, Mar. 1999, p. A154-157.
“Keeping The Big Picture In Mind” by Charles Blake Johnson, National Hog Farmer, pNA, Sep. 1999.
“Biofliter Media Mixture Ratio Of Wood Chips And Comopst Treating Swine Odors” by R. E. Nicolai and K. A. Janni; Dept. of Biosystems and Agricultural Engineering, Univ. of Minnesota in St. Paul, Water Science and Technology vol. 44 (9), p. 261-267.
Schmidt, Janni, Nicolai, “Biofilters for Odor Control”, University of Minnesota Extension Service, 2000.
Schmidt, Janni, Nicolai, “Biosystems and Agricultural Engineering Update”, University of Minnesota Extension Service, Mar. 2004, BAEU-18.
See the “Background of Invention” section on pp. 1-3 in the specification of this patent application.
R-1: C-FAR Swine Odor and Manure Mangement Development and Evaluation of Dedusters for Dust and Odor Reduction; Principal Investigator: Yuanhui Zhang.
R-2: Livestock Odor Research in Illinois.
R-3: Illinois Odor and Nutrient Control Proving Center.
R-4: Summary—Best Technologies for Reducing Odor Emissions from Curtain-Sided, Deep Pit Swine Finishing Buildings.
R-5: Measurement of Odour Emissions from Hog Operations in Manitoba.
R-6: Odour Production, Evaluation and Control.
R-7: Bio-filter effectiveness on Ten-Stall Farrowing Building Pit Exhaust a Demonstration Project.
Treloar Robert R.
Treloar Roger H.
Shaw Elizabeth
Simmons Perrine Albright
Swiatek Robert P.
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