Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2007-10-09
2007-10-09
Barry, Chester T. (Department: 1724)
Liquid purification or separation
Processes
Treatment by living organism
C210S631000, C210S150000, C210S221100, C210S221200
Reexamination Certificate
active
11097176
ABSTRACT:
The present invention discloses an anaerobic biological wastewater treatment system for treating wastewater containing organic contaminants, which includes an anaerobic sludge bed reactor and a dissolved-air flotation tank. The anaerobic sludge bed reactor is used to decompose organic contaminants by way of an anaerobic biological treatment. The dissolved-air flotation tank is used to carry out liquid-solid separation on effluent from the anaerobic sludge bed reactor, so that anaerobic microorganisms entrained in the effluent can be recovered and recycled to the anaerobic sludge bed reactor, thereby enhancing the hydraulic loading of the anaerobic sludge bed reactor.
REFERENCES:
patent: 6592751 (2003-07-01), Haridas
patent: 5-277493 (1993-10-01), None
Chou Shan-Shan
Lien Shui-Chen
Lin Hsin-Jung
Wu Wung-Jung
You Huey-Song
Bacon & Thomas PLLC
Barry Chester T.
Industrial Technology Research Institute
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