Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component
Reexamination Certificate
2006-12-26
2006-12-26
Vanoy, Timothy C. (Department: 1754)
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Sulfur or sulfur containing component
C423S243080, C423S243090, C422S168000, C422S169000, C422S176000
Reexamination Certificate
active
07153481
ABSTRACT:
A device (1) for separating sulphur dioxide from a gas (4) by means of an absorption liquid has an inlet (2) for gas (4) containing sulphur dioxide, an outlet (18) for gas (16), from which sulphur dioxide has been separated, and as essentially horizontal apertured plate (8), which is arranged to allow passage from below of sulphur dioxide containing gas (4) and to carry, on its upper side (12), a flowing layer (14) of the absorption liquid. An outlet box (20) beside the apertured plate (8) is arranged to be passed by liquid, which is distributed in the gas (4) coming from the inlet (2). A first pumping means is arranged to feed a coolant flow to the outlet box (20) and a second pumping means is arranged to feed an absorption liquid flow, which is essentially independent of the coolant flow, to the apertured plate (8) to form the flowing layer (14). In a method of separating sulphur dioxide, the above-described device (1) can be used.
REFERENCES:
patent: 5693301 (1997-12-01), .ANG.hman
patent: 5759505 (1998-06-01), Nolin et al.
patent: 7094382 (2006-08-01), Bengtsson et al.
patent: WO 03004137 (2003-01-01), None
PCT International Search Report dated Sep. 29, 2004 (PCT/SE2004/000975).
Bengtsson Sune
Brogaard Fredrik Jens
Forsgren Kerstin
Hakansson Rikard
Nolin Kjell
Alstom Technology Ltd
Fournier, Jr. Arthur E.
Olson Timothy J.
Vanoy Timothy C.
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