BOILER OPERATION WITH DECREASED NO x? AND WASTE WATER DISCHARGE - Patent 0651726

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EP 0 651 726 A1

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(43)	Date of publication:
	10.05.1995 Bulletin 1995/19

(21)	Application number: 93918356.0

(22)	Date of filing: 22.07.1993

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International Patent Classification (IPC):

B01D 53/ 56^{( . )}
C02F 5/ 14^{( . )}

C02F 1/ 70^{( . )}
C02F 9/ 00^{( . )}

(86)	International application number:
	PCT/US1993/006959

(87)	International publication number:
	WO 1994/002410 (03.02.1994 Gazette 1994/04)

(84)	Designated Contracting States:
	DE FR GB IT SE

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Priority:

24.07.1992 US 19920919281

(71)	Applicant: NALCO FUEL TECH
	Naperville, IL 60563 (US)

(72)	Inventors:
	DUBIN, Leonard Skokie, IL 60077 (US) ALBANESE, Vincent, M. Naperville, IL 60540 (US) JOHNSON, Roy, A. Glen Ellyn, IL 60137 (US)

(74)	Representative: VOSSIUS & PARTNER
	Postfach 86 07 67 D-81634 München D-81634 München (DE)

(54)	BOILER OPERATION WITH DECREASED NO x? AND WASTE WATER DISCHARGE