Liquid purification or separation – With gas-liquid surface contact means – With separator
Reexamination Certificate
2007-11-13
2007-11-13
Barry, Chester T. (Department: 1724)
Liquid purification or separation
With gas-liquid surface contact means
With separator
C210S220000
Reexamination Certificate
active
11497764
ABSTRACT:
A system reduces ammonia within a fluid flow. The system includes an aeration vessel, a clarifier vessel, and a geyser pump. The aeration vessel nitrifies bacteria within the fluid flow. The aeration vessel has an intake flow rate. The clarifier vessel receives fluid from the aeration vessel. The geyser pump transfers activated sludge from the clarifier vessel to the aeration vessel. The geyser pump transfers activated sludge at a specific flow rate. The specific flow rate is less than 150% of the intake flow rate.
REFERENCES:
patent: 4676225 (1987-06-01), Bartera
Barry Chester T.
Geyser Pump Tech. Co.
Tarolli, Sundheim Covell & Tummino LLP
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