SYSTEM FOR THE EFFICIENT REDUCTION OF NITROGEN OXIDES IN AN EFFLUENT - Patent 0497762

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EP 0 497 762 A1

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(43)	Date of publication:
	12.08.1992 Bulletin 1992/33

(21)	Application number: 90903991.0

(22)	Date of filing: 03.11.1989

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International Patent Classification (IPC):

B01D 53/ 34^{( . )}
B01D 53/ 60^{( . )}

B01D 53/ 56^{( . )}
B01J 19/ 00^{( . )}

(86)	International application number:
	PCT/US1989/004949

(87)	International publication number:
	WO 1991/006506 (16.05.1991 Gazette 1991/11)

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

(71)	Applicant: FUEL TECH, INC.
	Rowayton, CT 06830 (US)

(72)	Inventors:
	EPPERLY, W., Robert New Canaan, CT 06840 (US) PETER-HOBLYN, Jeremy, D. Cornwall PL30 3NR (GB) GRIMARD, François, X. London W11 2PT (GB) HOFMANN, John, E. Naperville, IL 60565 (US) O'LEARY, John, H. Danbury, CT 06810 (US)

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

(54)	SYSTEM FOR THE EFFICIENT REDUCTION OF NITROGEN OXIDES IN AN EFFLUENT