Waste water treatment system

Details Waste water treatment system Waste water treatment system

2006-05-09

2006-05-09

Barry, Chester T. (Department: 1724)

Liquid purification or separation

With gas-liquid surface contact means

C210S220000

Reexamination Certificate

active

07041214

ABSTRACT:
An agent is used to treat waste water containing dimethylsulfoxide and includes a solution of a porous material at a concentration of 6500 to 7500 mg/L, where an average size of pore openings of the porous material in a range of 60–550 μm. The agent may be used in an aeration tank of a waste water treatment system, where the aeration tank is connected to a waste water tank for collecting waste water containing dimethylsulfoxide. A sedimentation tank of the system is connected to the aeration tank via a connection pipe for biologically decomposing the dimethylsulfoxide and settling sludge produced therein, and a treated water tank of the system returns a portion of treated waste water to the waste water tank and collects the remaining treated water therein.

REFERENCES:
patent: 5529693 (1996-06-01), Yano et al.
patent: 5569634 (1996-10-01), Miller et al.
patent: 6245237 (2001-06-01), Blough et al.
patent: 6858144 (2005-02-01), Narita et al.
patent: 11299484 (1999-11-01), None
patent: 2000254661 (2000-09-01), None
patent: 2000263069 (2000-09-01), None

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