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ORWAY MINERAL CONSULTANTS (WA) PTY LTD Level 4, 1 Adelaide Terrace, East Perth WA 6004, A.B.N 40 093 277 126 Tel: +61 8 6210 5601 Fax: +61 8 6210 5555 Email: [email protected] Web: www.orway.com.au Scope of Work OMC worked in conjuction with Hydromet Pty Ltd (Hydromet) and Murray Hill Metallurgical Consultant to produce a Scoping Study for the Marenica Uranium Project. Flowsheet Two process options were examined in the Marenica Uranium Scoping Study. The first of these was a heap leach option comprising crushing, screening and partial scrubbing of the ore, belt filtration to dewater slurries, agglomeration, heap leach, resin ion exchange and finally a classical alkali based refinery. The second option incorporated a similar crushing circuit followed by a beneficiation circuit and a concentrate tank leach circuit. The balance of the circuit was similar to the first option. Outcome The Marenica Uranium Project scoping study was delivered in Q3 2011. Case Study – Marenica Uranium Project Kambalda Mill Survey Project Category: Scoping Study Client: Marenica Energy Ltd Location: Namibia Capacity: 20Mt/annum ore to produce a uranium tetroxides product Commodity: Uranium Marenica deposit major mineralogy - Carnotite
