LOW PRESSURE FORMATION OF A UREA HYDROLYSATE FOR NITROGEN OXIDES REDUCTION - Patent 0722421

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EP 0 722 421 A1

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(43)	Date of publication:
	24.07.1996 Bulletin 1996/30

(21)	Application number: 94929401.0

(22)	Date of filing: 04.10.1994

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International Patent Classification (IPC):

B01D 53/ 56^{( . )}

(86)	International application number:
	PCT/US1994/011269

(87)	International publication number:
	WO 1995/009810 (13.04.1995 Gazette 1995/16)

(84)	Designated Contracting States:
	DE

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Priority:

06.10.1993 US 19930132575

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

(72)	Inventors:
	HOFMANN, John, E. Naperville, IL 60540 (US) VON HARPE, Thure D-45219 Essen (DE) DIEP, Daniel, V. Aurora, IL 60505 (US)

(74)	Representative: VOSSIUS & PARTNER
	Siebertstrasse 4 81675 München 81675 München (DE)

(54)	LOW PRESSURE FORMATION OF A UREA HYDROLYSATE FOR NITROGEN OXIDES REDUCTION