(19)
(11) EP 0 958 403 A1

(12)

(43) Date of publication:
24.11.1999 Bulletin 1999/47

(21) Application number: 97929334.0

(22) Date of filing: 08.07.1997
(51) International Patent Classification (IPC): 
C23F 11/ 08( . )
(86) International application number:
PCT/FI1997/000443
(87) International publication number:
WO 1998/001602 (15.01.1998 Gazette 1998/02)
(84) Designated Contracting States:
AT DE DK FI GB SE

(30) Priority: 10.07.1996 FI 19960002809
07.07.1997 FI 19970002888

(71) Applicant: Kapanen, Jaakko
02210 Espoo (FI)

(72) Inventor:
  • Kapanen, Jaakko
    02210 Espoo (FI)

(74) Representative: Heinonen, Keijo Gunnar 
Keijo Heinonen Oy, P.O. Box 671, Fredrikinkatu 61 A
00101 Helsinki
00101 Helsinki (FI)

   


(54) WATER TREATMENT METHOD AS WELL AS EQUIPMENT AND CHEMICAL BRIQUET USED IN THE PROCESS