A METHOD OF REMOVING HEAVY METALS FORM SOIL, SLUDGE, COMPOST AND SIMILAR MATERIALS

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EP 0 500 657 A1

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(43)	Date of publication:
	02.09.1992 Bulletin 1992/36

(21)	Application number: 90916713.0

(22)	Date of filing: 07.11.1990

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International Patent Classification (IPC):

A62D 3/ 33^{( . )}
C02F 1/ 68^{( . )}
A62D 101/ 43^{( . )}

B09C 1/ 02^{( . )}
C02F 11/ 00^{( . )}

(86)	International application number:
	PCT/DK1990/000283

(87)	International publication number:
	WO 1991/006343 (16.05.1991 Gazette 1991/11)

(84)	Designated Contracting States:
	AT BE DE DK ES FR GB IT NL SE

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Priority:

07.11.1989 DK 19890005538

(71)	Applicant: WRL APS
	DK-3500 Vaerlose (DK)

(72)	Inventor:
	JORGENSEN, Sven, Erik DK-3500 Vaerlose (DK)

(74)	Representative: Kyed, Iver
	c/o LEHMANN & REE A/S Grundtvigsvej 37 DK-1864 Frederiksberg C DK-1864 Frederiksberg C (DK)

(54)	A METHOD OF REMOVING HEAVY METALS FORM SOIL, SLUDGE, COMPOST AND SIMILAR MATERIALS