A METHOD AND SYSTEM FOR CONTROLLING THE ADDITION OF OXYGEN GAS AND ALKALI DURING OXYGEN GAS DELIGNIFICATION - Patent 1711655

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EP 1 711 655 A1

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(43)	Date of publication:
	18.10.2006 Bulletin 2006/42

(21)	Application number: 04800369.3

(22)	Date of filing: 23.11.2004

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International Patent Classification (IPC):

D21C 9/147^(2006.01)

(86)	International application number:
	PCT/SE2004/001708

(87)	International publication number:
	WO 2005/056919 (23.06.2005 Gazette 2005/25)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

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Priority:

26.11.2003 SE 0303149

(71)	Applicant: Kvaerner Pulping AB
	651 15 Karlstad (SE)

(72)	Inventors:
	BACKA, Stefan S-652 22 Karlstad (SE) RUDFELDT, Carin S-653 42 Karlstad (SE)

(54)	A METHOD AND SYSTEM FOR CONTROLLING THE ADDITION OF OXYGEN GAS AND ALKALI DURING OXYGEN GAS DELIGNIFICATION