(19)

(11)

EP 1 846 334 A1

(12)

(43) Date of publication: 24.10.2007 Bulletin 2007/43 (21) Application number: 05815667.0 (22) Date of filing: 15.12.2005

(51) International Patent Classification (IPC):  C02F 1/48(2006.01) C02F 5/00(2006.01) B01J 19/12(2006.01) (86) International application number: PCT/AU2005/001896 (87) International publication number: WO 2006/072125 (13.07.2006 Gazette 2006/28)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 07.01.2005 AU 2005900062 (71) Applicant: Aqua-Sciences Pty Ltd., Chelmer, Queensland 4068 (AU)	(72) Inventor: GRIGG, Brian Chelmer, Queensland 4068 (AU) (74) Representative: LOUIS, PÖHLAU, LOHRENTZ  Postfach 3055 90014 Nürnberg 90014 Nürnberg (DE)