| US 7,591,988 B2 | ||
| Method for processing flue gases | ||
| Risto Hämäläinen, Tampere (Finland); Keijo Salmenoja, Monnanummi (Finland); and Ismo Reilama, Reila (Finland) | ||
| Assigned to Metso Power Oy, Tampere (Finland) | ||
| Filed on Oct. 18, 2006, as Appl. No. 11/582,509. | ||
| Claims priority of application No. 20051050 (FI), filed on Oct. 18, 2005. | ||
| Prior Publication US 2007/0092422 A1, Apr. 26, 2007 | ||
| Int. Cl. B01D 53/50 (2006.01) | ||
| U.S. Cl. 423—242.1 [423/243.08; 423/244.07; 423/244.08; 162/51] | 12 Claims |
| 1. A method for processing flue gases comprising:
taking lime mud after causticization and before a lime reburning kiln from a calcium circulation of a kraft pulp process at
a kraft pulp mill
introducing flue gases from a non-condensible gas incineration plant of said kraft pulp mill to a scrubbing step, and
using said lime mud as substance reacting with sulphur dioxide of said flue gases in said scrubbing step.
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