METHOD OF TREATING PROCESS WATER - Patent 0693144

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EP 0 693 144 A1

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(43)	Date of publication:
	24.01.1996 Bulletin 1996/04

(21)	Application number: 94911328.0

(22)	Date of filing: 17.02.1994

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International Patent Classification (IPC):

C02F 1/ 64^{( . )}
D21C 11/ 00^{( . )}

D21C 9/ 10^{( . )}

(86)	International application number:
	PCT/SE1994/000130

(87)	International publication number:
	WO 1994/023122 (13.10.1994 Gazette 1994/23)

(84)	Designated Contracting States:
	AT DE ES FR PT SE

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Priority:

07.04.1993 SE 19930001161

(71)	Applicant: SUNDS DEFIBRATOR AKTIEBOLAG
	S-851 94 Sundsvall (SE)

(72)	Inventors:
	GERMGARD, Ulf S-863 00 Sundsbruk (SE) NORDEN, Solveig S-860 20 Njurunda (SE)

(74)	Representative: Sundqvist, Hans
	Sunds Defibrator Industries Aktiebolag Patents Dept. Strandbergsgatan 61 S-112 51 Stockholm S-112 51 Stockholm (SE)

(54)	METHOD OF TREATING PROCESS WATER