(19)
(11)
EP 0 719 351 A1
(12)
(43)
Date of publication:
03.07.1996
Bulletin 1996/27
(21)
Application number:
94929683.0
(22)
Date of filing:
05.09.1994
(51)
International Patent Classification (IPC):
C02F
1/
467
( . )
C25C
1/
16
( . )
C25C
1/
00
( . )
(86)
International application number:
PCT/NL1994/000212
(87)
International publication number:
WO 1995/008009
(
23.03.1995
Gazette 1995/13)
(84)
Designated Contracting States:
AT BE DE DK ES FR GB IT LU NL PT SE
(30)
Priority:
13.09.1993
BE 19930000956
(71)
Applicant:
DSM N.V.
NL-6411 TE Heerlen (NL)
(72)
Inventor:
BONTE, Geert, Imelda, Valere
B-3590 Diepenbeek (BE)
(54)
PROCESS FOR THE RECOVERY OF A HEAVY METAL