CONGENERATION PROCESS FOR PRODUCTION OF ENERGY AND IRON MATERIALS, INCLUDING STEEL

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EP 0 377 636 A1

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(43)	Date of publication:
	18.07.1990 Bulletin 1990/29

(21)	Application number: 88907991.0

(22)	Date of filing: 29.08.1988

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International Patent Classification (IPC):

F01K 23/ 02^{( . )}
C10G 1/ 02^{( . )}
C21B 11/ 02^{( . )}
C21B 13/ 14^{( . )}
F01K 23/ 10^{( . )}
H02N 11/ 00^{( . )}

C10G 1/ 00^{( . )}
C10G 1/ 04^{( . )}
C21B 13/ 00^{( . )}
C21C 5/ 56^{( . )}
F02C 6/ 00^{( . )}
F02B 3/ 06^{( . )}

(86)	International application number:
	PCT/US1988/002993

(87)	International publication number:
	WO 1989/001981 (09.03.1989 Gazette 1989/06)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

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Priority:

31.08.1987 US 19870091427
08.02.1988 US 19880153242
22.08.1988 US 19880234914

(71)	Applicant: Northern States Power Company
	Minneapolis Minnesota 55401 (US)

(72)	Inventors:
	LEHTO, John, M. Cokato, MN 55321 (US) SMITH, Raymond, L. Green Valley, AZ 85614 (US)

(74)	Representative: Coulson, Antony John, et al
	ABEL & IMRAY Northumberland House 303-306 High Holborn London, WC1V 7LH London, WC1V 7LH (GB)

(54)	CONGENERATION PROCESS FOR PRODUCTION OF ENERGY AND IRON MATERIALS, INCLUDING STEEL