Method and system of destruction of volatile compounds in...

Details Method and system of destruction of volatile compounds in... Method and system of destruction of volatile compounds in...

2005-03-07

2008-11-25

Griffin, Walter D. (Department: 1797)

Liquid purification or separation

Processes

Chemical treatment

C095S263000

Reexamination Certificate

active

07455781

ABSTRACT:
The invention proposes a method of destruction of volatile organic and inorganic compounds in wastewater, this method includes following stages: stripping the aforementioned volatile compounds in a stripping-chemisorption column; preliminary heating the gaseous medium containing these volatile compounds in a first heat regenerator; thermal, flare or thermo-catalytic oxidation of the volatile compounds in circulating gaseous medium; cooling the gaseous medium in a second heat regenerator; chemisorption of acidic gases from the gaseous medium in the stripping-chemisorption column with stripping at the same time additional amount of the volatile compounds from the wastewater. After specific period, direction of the gaseous medium flow is alternated. The proposed method can be executed at elevated temperature. The invention includes as well systems realizing the proposed method.

REFERENCES:
patent: 2119721 (1938-06-01), Richardson
patent: 4594131 (1986-06-01), Maier
patent: 4898107 (1990-02-01), Dickinson
patent: 5589142 (1996-12-01), Gribbon
patent: 5955037 (1999-09-01), Holst et al.
patent: 6878188 (2005-04-01), Yi
patent: 4114386 (1992-11-01), None
patent: 0354656 (1990-02-01), None

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