Method and an apparatus for processing flue gas scrubber...

Details Method and an apparatus for processing flue gas scrubber... Method and an apparatus for processing flue gas scrubber...

2007-12-11

2007-12-11

Vanoy, Timothy C. (Department: 1754)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

C423S555000, C422S129000, C422S168000, C422S187000, C261SDIG026, C210S542000, C137S170100

Reexamination Certificate

active

10528407

ABSTRACT:
A method for processing flue gas scrubber material flows. The flue gas is scrubbed with a calcium-based absorbent containing washing fluid for absorbing sulphur oxides from the flue gases, and the formed gypsum slurry is directed from the flue gas scrubber to the separator. At the separating point of the separator, gypsum is separated from the washing fluid and the gypsum and washing fluid are taken out of the separator as separate material flows. From the flue gas scrubber the washing fluid is directed to a tank located before the separating point of the separator or after the separating point of the separator, in which tank foam is separated from the washing fluid as its own phase and taken out of the tank.

REFERENCES:
patent: 6656440 (2003-12-01), Takashina et al.
patent: 6939523 (2005-09-01), D'Alesandro
patent: 33 31 993 (1984-03-01), None
patent: 0 965 379 (1999-01-01), None
patent: WO 87/05530 (1987-09-01), None

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