Kvanefjeld Concentrator Pilot Plant Campaign Complete; Results Exceed Expectations
December 14, 2012 (Source: Greenland Minerals) — Greenland Minerals and Energy Ltd (“GMEL” or “the Company”) is pleased to provide an update on the status of process development for the Kvanefjeld multi?element project (“Kvanefjeld”).
Between the 19th and 22nd of November 2012, the Company continuously operated a flotation pilot plant at the laboratory of SGS?Oretest in Perth, Western Australia. The pilot plant produced approximately 300 kg of rare earth mineral concentrate (“Concentrate”) from 4 tonnes of Kvanefjeld ore.
Successfully completing this continuous piloting campaign represents the final phase of process de?risking for the concentrator circuit in the Kvanefjeld flow?sheet.
The results obtained during the operation of the pilot plant exceeded the Company’s expectations. Highlights of the campaign include:
Achieving a Concentrate grade of 15% REO, significantly exceeding both feasibility
design and results achieved in bench?scale laboratory test?work
Lower levels of impurities were present in the Concentrate in comparison to the
results achieved in bench?scale laboratory test?work
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The successful use of Jameson Cells in a scalper/rougher duty to produce final grade concentrate in a single step
Smooth operation of the pilot plant, a reflection of the overall simplicity of the
These results will be incorporated in the process design which will form part of the final feasibility study for the concentrator. The significant increase in concentrate grade achieved in the pilot plant will lead to further reductions in both operating and capital costs.
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