Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2006-12-19
2006-12-19
Prince, Fred G. (Department: 1724)
Liquid purification or separation
Processes
Treatment by living organism
C210S612000, C210S629000, C210S631000, C210S209000, C210S259000
Reexamination Certificate
active
07150832
ABSTRACT:
The apparatus comprises an anaerobic digester for receiving organic waste, an aerobic digester, and a feed pump for pumping effluent from the anaerobic digester to the aerobic digester. The digesters each comprise a reaction vessel and each reaction vessel has a spray nozzle at or adjacent to its apex for spraying an anti-foam liquid at the contents of the vessel. A method of treating organic waste is also disclosed.
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Enviro Control Limited
Prince Fred G.
Young & Thompson
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