(19)

(11)

EP 2 480 519 A1

(12)

(43) Date of publication: 01.08.2012 Bulletin 2012/31 (21) Application number: 10765500.3 (22) Date of filing: 16.09.2010

(51) International Patent Classification (IPC):  C06B 23/00(2006.01) C06B 47/14(2006.01) C06B 31/28(2006.01) (86) International application number: PCT/IB2010/054181 (87) International publication number: WO 2011/036611 (31.03.2011 Gazette 2011/13)

(84) Designated Contracting States: AL 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: 23.09.2009 ZA 200906668 (71) Applicant: AEL MINING SERVICES LIMITED 2196 Johannesburg (ZA)	(72) Inventors: WILSON, Laurence, Justin, Pienaar 1684 Midrand (ZA) PIENAAR, André 0081 Pretoria (ZA) VERMAAK, Charl 2158 Johannesburg (ZA) (74) Representative: Börlin, Maria  Albihns.Zacco Valhallavägen 117 Box 5581 114 85 Stockholm 114 85 Stockholm (SE)