Liquid purification or separation – With gas-liquid surface contact means – With separator
Reexamination Certificate
2005-06-21
2005-06-21
Popovics, Robert James (Department: 1724)
Liquid purification or separation
With gas-liquid surface contact means
With separator
C210S259000, C210S532200
Reexamination Certificate
active
06908548
ABSTRACT:
A prefabricated biological purification system for treatment of residential wastewater having a primary purification unit and a secondary purification unit containing a filling material having a grain size distribution of about 2 cm to about 4 cm in diameter. The primary purification unit having modular element forming a container, and internal elements including an inflow tube, an internal separation panel with a fluid passage duct defining a first internal sector and a second internal sector, a trapezoidal diaphragm, and a device for controlling liquid outflow. A second diaphragm in a form of an octagonal modular element is positioned within the container and a horizontal fluid passage duct is formed as a horizontal opening between portion of the internal separation panel and the second diaphragm. A flow control element forms an intake space between a bottom end portion of an outlet pipe and the trapezoidal diaphragm.
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Bruso Luigi
Bruso Pier Enrico
Bruso Luigi
Pauley Petersen & Erickson
Popovics Robert James
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