Method and means for odor control in waste water lagoons

Liquid purification or separation – Processes – Treatment by living organism

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210747, 210758, 210170, 210199, 210241, C02F 1106

Patent

active

057360499

ABSTRACT:
A method for controlling odor in a waste water lagoon comprises the steps of aerating a top horizontal layer of a lagoon adjacent its upper surface at a depth of approximately 12 to 24 inches by introducing air through a plurality of nozzles submerged in the layer to create a plurality of air bubbles in the layer. The nozzles are moved horizontally through the layer. A device for controlling the odor in waste water lagoons includes a support structure with an elongated boom operatively secured to the support structure and extending outwardly therefrom to operatively contact water in an adjacent lagoon. Compressed air is delivered through a plurality of downwardly extending nozzles on the boom into a layer of water on the top of the lagoon approximately 12 to 24 inches deep. Power elements are secured to the boom to cause the boom to move horizontally with respect to the lagoon while the compressed air is being delivered through the nozzles.

REFERENCES:
APHA. 1992. Standard Methods For the Examination of Water and Wastewater. 18th Edition. American Public Health Association. Washington D.C.
Barth, C.L. and Polkowski, L.B., 1971. Low-volume, surface-layer aeration-conditioned manure storage. In: Livestock Waste Management and Pollution, Proceedings of International Symposium on Livestock Wastes. ASAE, 2950 Niles Rd., St. Joseph, MI 49085-9659. p. 279-282.
Barth, C.L. Hill, D.T. and Polkowski, L.B. 1974. Correlating ordor intensity index and odorous components in stored dairy manure. Transactions of the ASAE. 17(4) ; 741-744,747.
Bundy, D.S., Liu, Q. and Hoff, S.J. 1993. An olfactometer for livestock odor measurement. Paper presented at the ASAE International Witner Meeting. ASAE Paper No. 934522.
Ginnivan, M.J. 1983. Shallow aeration of piggery waste treatment lagoons. II. Odor control. Argriculture, Ecosystems and Environment. 10:31-36.
Liu, Q., Bundy, D.S. and Hoff. S.J. 1993. Utilizing ammonia concentrations as an odor threshould indicator for swine facilties. In: Proceedings of Fourth International Symposium of Livestock Environment. ASEA, 2950 Niles Rd., St. Joseph, MI 49085-9659. p.678-685.
Schulz, T.J. and Barnes, D. 1990. The stratified facultative lagoon for the treatment and storage of high strength agricultural wastewaters. Agricultural Wastes. 10:15-36.
Zhang, R.H., Lorimore, J. and Melvin, S.W. 1995. Design and management of anaerobic lagoons in Iowa for animal manure storage and treatment. Iowa State University Extension publication Pm-1590.

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