FALLING-FILM EVAPORATOR FOR SPENT LIQUOR FROM CHEMICAL PULPING, AND PROCESS FOR MANUFACTURING TUBE LAMELLAE IN THE EVAPORATOR

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EP 0 821 611 A1

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(43)	Date of publication:
	04.02.1998 Bulletin 1998/06

(21)	Application number: 96911135.0

(22)	Date of filing: 29.03.1996

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International Patent Classification (IPC):

B01D 1/ 04^{( . )}
D21C 11/ 10^{( . )}

B01D 1/ 22^{( . )}

(86)	International application number:
	PCT/SE1996/000411

(87)	International publication number:
	WO 1996/032998 (24.10.1996 Gazette 1996/47)

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

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Priority:

18.04.1995 SE 19950001388

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

(72)	Inventor:
	OLAUSSON, Lars S-424 53 Angered (SE)

(54)	FALLING-FILM EVAPORATOR FOR SPENT LIQUOR FROM CHEMICAL PULPING, AND PROCESS FOR MANUFACTURING TUBE LAMELLAE IN THE EVAPORATOR