(19)

(11)

EP 2 393 577 A1

(12)

(43) Date of publication: 14.12.2011 Bulletin 2011/50 (21) Application number: 10738163.4 (22) Date of filing: 08.02.2010

(51) International Patent Classification (IPC):  B01D 53/62(2006.01) C01B 31/20(2006.01) (86) International application number: PCT/AU2010/000124 (87) International publication number: WO 2010/088738 (12.08.2010 Gazette 2010/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 06.02.2009 AU 2009900426 (71) Applicant: Hunwick, Richard J. Roseville NSW 2069 (AU)	(72) Inventor: Hunwick, Richard J. Roseville NSW 2069 (AU) (74) Representative: De Clercq, Ann G. Y. et al De Clercq & Partners Edgard Gevaertdreef 10a 9830 Sint-Martens-Latem 9830 Sint-Martens-Latem (BE)