(19)

(11)

EP 1 794 512 A1

(12)

(43) Date of publication: 13.06.2007 Bulletin 2007/24 (21) Application number: 05771802.5 (22) Date of filing: 16.08.2005

(51) International Patent Classification (IPC):  F25B 27/00(2006.01) B01D 5/00(2006.01) F25D 17/06(2006.01) F03D 9/00(2006.01) (86) International application number: PCT/AU2005/001219 (87) International publication number: WO 2006/017888 (23.02.2006 Gazette 2006/08)

(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: 16.08.2004 AU 2004904593 18.01.2005 AU 2005900180 (71) Applicant: Water Un Limited West Perth, WA 6005 (AU)	(72) Inventor: WHISSON, Maxwell, Edmund Subiaco, W.A. 6008 (AU) (74) Representative: Schmitt, Armand et al Office Ernest T. Freylinger S.A. 234, route d'Arlon, B.P. 48 8001 Strassen 8001 Strassen (LU)