09-24-2015, 01:31 PM
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Join Date: Mar 2009
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ASX: GGG Kvanefjeld Refinery Pilot Plant Yields Excellent Initial Results
Kvanefjeld Refinery Pilot Plant Yields Excellent Initial Results
- First phase of refinery pilot plant successfully completed at Outotec's research laboratories in Finland
- Pilot plant operated continuously for approximately 250 hours, utilising mineral concentrate generated by the concentrator pilot plant conducted in May, 2015
- High rare earth extractions of approximately 95% achieved, comfortably exceeding Feasibility Study design assumptions of 77%, uranium extractions of approximately 85% achieved in line with Feasibility Study assumptions
- Design parameters for thickening, reagent selection and filtration firmed up
- Outputs from refinery pilot plant will feed into optimisation studies to further strengthen project economics
- Next steps include conditioning of residues that contain rare earths, re-leach with mild hydrochloric acid, impurity removal, and generation of a hi-purity product
- Kvanefjeld refinery pilot plant conducted in conjunction with, and partly funded by the EURARE program, which aims to increase rare earth raw materials supply to Europe
Read full report .pdf
Disclaimer: The author of this post, may or may not be a shareholder of any of the companies mentioned in this column. No company mentioned has sponsored or paid for this content. Comments on this forum should never be taken as investment advice.
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