Liquid purification or separation – With gas-liquid surface contact means
Reexamination Certificate
2007-03-06
2007-03-06
Barry, Chester T. (Department: 1724)
Liquid purification or separation
With gas-liquid surface contact means
C210S167050, C210S194000, C210S220000
Reexamination Certificate
active
10835707
ABSTRACT:
An orbital wastewater treatment system includes a tank and a partition disposed in the tank to define a pair of channels in the tank. The tank has a turning wall bounding contiguous portions of the channels. The partition has an end spaced from the turning wall, whereby the channels communicate with one another. A driven shaft is disposed vertically in the tank between the end of the partition and the turning wall. The driven shaft is provided at an upper end with a surface aerator and at a lower end with a horizontal impeller. At least one baffle member is disposed in the tank partially about a lower end of the shaft including the impeller.
REFERENCES:
patent: 4869818 (1989-09-01), DiGregorio et al.
patent: 5234595 (1993-08-01), DiGregorio et al.
Curtis Betty Ann
Riser Frederick M
Vorwaller John
Barry Chester T.
Coleman Sudol Sapone PC
GL&V Management Hungary KFT
Polacek, Esq. Michael
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