(19)
(11) EP 1 305 106 A1

(12)

(43) Date of publication:
02.05.2003 Bulletin 2003/18

(21) Application number: 01949163.8

(22) Date of filing: 28.06.2001
(51) International Patent Classification (IPC)7: B01D 61/04, B01D 61/08, B01D 61/02, B01D 63/02, B01D 63/04, B01D 65/02, B01D 65/06, C02F 1/44, C02F 5/00
(86) International application number:
PCT/CA0100/971
(87) International publication number:
WO 0200/4100 (17.01.2002 Gazette 2002/03)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 07.07.2000 CA 2313740
07.07.2000 US 216668 P

(71) Applicant: Zenon Environmental Inc.
Oakville,Ontario L6M 4B2 (CA)

(72) Inventors:
  • HUSAIN, Hidayat
    Brampton, Ontario L6S 5C5 (CA)
  • BEHMANN, Henry
    Puslinch, Ontario N0B 2J0 (CA)
  • COTE, Pierre
    Dundas, Ontario L9H 3M6 (CA)
  • POTTINGER, Ian
    Ancaster, Ontario L9G 1H9 (CA)
  • MURPHY, Ella
    Hamilton, Ontario L8K 5H2 (CA)

(74) Representative: Overbury, Richard Douglas 
Haseltine Lake & Co,Imperial House,15-19 Kingsway
London WC2B 6UD
London WC2B 6UD (GB)

   


(54) MULTI-STAGE FILTRATION AND SOFTENING MODULE AND REDUCED SCALING OPERATION