MANURE AND MUNICIPAL WASTEWATER LAGOONS
Manure Lagoons
The EOH2O process has demonstrated the ability to reduce
nitrogen-based pollutants and heavy metals in manure lagoons (primarily
hog and diary wastewater). Additionally, odors associated with hydrogen
sulfide and fecal proteins are reduced to virtually negligible levels.
In various tests on raw hog manure in Iowa and Canada, heavy metal
oxidation and fecal coliform levels were reduced faster, and to levels 10x
greater then where 80lpm of ozone was injected into the water stream.
Additionally, ammonia and nitrate levels were maintained, even where
continuous new effluent was added. This is important for farmers utilizing
the effluent for crop fertilization, where they wish to maintain the nutrient
value of the ammonia and nitrate, but reduce or remove the coliforms,
odor, and heavy metals. This allows for a larger application per acre inch
of the effluent, reducing or eliminating any need to haul the effluent away -
or increase storage capacity.
Phosphate load can also be reduced, normally at a level equal to 60% of
the calcium load. This again improves the SAR, and allows for greater
discharge of the effluent to the ground, even with the new EPA 1-year crop
uptake regulations.
Municipal Wastewater Lagoons
Most municipalities utilize flocculating lagoons at the end of the wastewater
treatment process to reduce the need for large scale filtration. These
lagoons are notoriously used by wild fowl - which can increase phosphate
loading from fecal material, prompting larger algae blooms which die back,
sink to the bottom of the lagoon and produce anaerobic conditions,
increasing the size of the next algae bloom, increasing ammonia, nitrate,
hydrogen sulfide and phosphate loading.
It is uneconomical to treat large lagoons, especially where daily discharges
can range from 0.5 to 2,0 million gallons per day. However, treating the
discharge is simpler and far less costly in order for the municipality to meet
2006 EPA Clean Water Act regulations.
Individual EOH2O treatment systems can be designed to handle 100 to 800
gpm flows to reduce ammonia, nitrate, heavy metals, fecal coliforms, and
phosphate to levels below federal standards. The systems have small
footprints, require no daily maintenance, and can operate 24/7-365 days of
a year.
For many municipalities, this allows greater treatment levels without
increasing plant size, especially in growing urban areas where space is
limited, and municipal budgets are under increasing belt-tightening!
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