Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2005-07-26
2005-07-26
Prince, Fred G. (Department: 1724)
Liquid purification or separation
Processes
Treatment by living organism
C210S623000
Reexamination Certificate
active
06921486
ABSTRACT:
The waste activated sludge anaerobic contact waste stream treatment method and system for treating a waste stream may have an influent waste stream communicated to an anaerobic contact element. A waste activated sludge produced from a second influent waste stream process may be introduced into the anaerobic contact element and mixed with the influent waste stream for processing therein. The anaerobic contact element may be maintained for conditions to facilitate the uptake of soluble organic pollutants and to form a fluid having a particulate matter contained therein. The resulting fluid may have the particulate matter separated from the fluid to produce a treated effluent and a waste sludge.
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B. Narayanan, S.G. Hough, Taking the “Waste” Out of Waste Activated Sludge—New Process Configuration Uses Waste Activated Sludge to Treat Wastewater More Efficiently.
Hough Stephen
Narayanan Balakrishnan
Beech Dennis W.
Prince Fred G.
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