METHOD OF PURIFYING WASTE WATER - Patent 0726879

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EP 0 726 879 A1

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(43)	Date of publication:
	21.08.1996 Bulletin 1996/34

(21)	Application number: 95900961.0

(22)	Date of filing: 20.10.1994

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International Patent Classification (IPC):

C02F 1/ 04^{( . )}
B01D 5/ 00^{( . )}
D21F 1/ 66^{( . )}

B01D 1/ 26^{( . )}
C02F 1/ 10^{( . )}

(86)	International application number:
	PCT/SE1994/000990

(87)	International publication number:
	WO 1995/012549 (11.05.1995 Gazette 1995/20)

(84)	Designated Contracting States:
	AT BE DE DK ES FR GB IE IT PT SE

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Priority:

05.11.1993 SE 19930003645

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

(72)	Inventors:
	SÄFSTRÖM, Christer S-117 47 Stockholm (SE) LUNDGREN, Göran S-865 91 Alnö (SE)

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

(54)	METHOD OF PURIFYING WASTE WATER