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Old 09-24-2015, 01:31 PM
Sparty Sparty is offline
Join Date: Mar 2009
Posts: 1,131
Default 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
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