Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2007-02-13
2007-02-13
Barry, Chester T. (Department: 1724)
Liquid purification or separation
Processes
Treatment by living organism
C210S748080, C210S758000, C210S532100, C210S151000, C210S189000, C210S220000
Reexamination Certificate
active
10537050
ABSTRACT:
Provided is an apparatus and method for performing tertiary treatment of sewage based on porous filtering media. The apparatus for performing tertiary treatment of sewage based on porous filtering media includes a reaction tank for receiving effluent wastewater from a primary settling tank; and porous filtering media, which is located in the reaction tank and has a predetermined size of surface area and opening, for settling suspension in the effluent wastewater and removing organic matter and nutritive salts included in the suspension.
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patent: 5387335 (1995-02-01), Iwai et al.
patent: 6682653 (2004-01-01), Chuang et al.
patent: 0882676 (1998-12-01), None
patent: 62-083093 (1987-04-01), None
patent: WO 8602630 (1986-05-01), None
Chang Chung-Hee
Gee Chai-Sung
Jang Hong-Kyu
Kim Young-Sug
Lee Moon-Hyoung
Barry Chester T.
Carmichael James T.
Korea Institute of Construction Technology
Miles & Stockbridge PC
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