Method and apparatus for treatment of wastewater

Details Method and apparatus for treatment of wastewater Method and apparatus for treatment of wastewater

2005-02-22

2005-02-22

Upton, Christopher (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S150000, C210S908000

Reexamination Certificate

active

06858144

ABSTRACT:
The present invention provides a method for treatment of wastewater containing organic sulfur compounds The method includes introducing the wastewater into an apparatus body equipped with a fixed bed in which fixed carriers for the attachment of microorganisms are filled and a fluidized bed in which flowing carriers for the attachment of microorganisms are flown, and enabling the wastewater to flow through the fluidized bed towards the fixed bed so that the wastewater is biologically treated by the fluidized bed and the fixed bed.

REFERENCES:
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patent: 4086167 (1978-04-01), Tapola et al.
patent: 4915841 (1990-04-01), Lagana et al.
patent: 5019268 (1991-05-01), Rogalla
patent: 5147547 (1992-09-01), Savall et al.
patent: 5529693 (1996-06-01), Yano et al.
patent: 5543039 (1996-08-01), Odegaard
patent: 5895576 (1999-04-01), Yamasaki et al.
patent: 6395522 (2002-05-01), DeFilippi et al.
patent: 2769973 (1998-04-01), None

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