Digester cover

Details Digester cover Digester cover

2007-01-09

2007-01-09

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S259000

Reexamination Certificate

active

10960398

ABSTRACT:
An anaerobic digester for use in wastewater treatment systems having a fixed cover including a central tower for controlling gas and foam. A constant operating level is maintained in the digester by utilization of an overflow weir located in the tower. The fixed cover having an under flat surface that is in direct contact with contents of the digester. The tower has a number of spray nozzles that operably direct movement of foam toward discharge locations.

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Plans for Hyperion Solids Handling (HSH) Digester Expansion (W.O. EXX31522) Digester Facilities, Date: 1992.
Plans for City of Mesa, Arizona Northwest Water Reclamation, date unknown.

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