Nolans Phase 5 Pilot Plant Complete

Nolans Phase 5 Pilot Plant Complete

Posted 06 December 2018
Rare Earth Purification and Precipitation piloting completed successfully.

Arafura Resources Limited (ASX: ARU) (Arafura or the Company) is pleased to provide an update on the flowsheet piloting program for its 100 per cent-owned Nolans Neodymium-Praseodymium (NdPr) project in the Northern Territory.

Operation of the first of the Company’s Rare Earth Processing pilot plants – Phase 5 Rare Earth Purification and Precipitation – is now complete. This phase of piloting takes NdPr-rich rare earth sulphate material through purification and precipitation processes to produce rare earth hydroxide. The pilot ran continuously over a five-day period at ALS Metallurgical Services (ALS) facilities in Perth, processing feedstock from Arafura’s Acid Bake pilot plant (refer to ASX announcements 7 August and 30 August 2018).

Arafura process engineers closely monitored several important operational performance parameters over the duration of the pilot, including solid-liquid separation, reagent dosing, temperature profiles
and residence time across each unit operation of the process.

Rare earth hydroxide precipitate produced from the pilot will feed the Company’s Phase 6 (Rare Earth Dissolution and Evaporation) pilot plant. This is scheduled to commence at ALS within a week.

ALS enquiries
Hamid Sheriff, Group General Manager - Metallurgy Services
+61 8 9344 2416

Arafura enquiries
Gavin Lockyer, Managing Director
+61 8 6210 7666

Nolans Flowsheet Piloting Program
Phase 5 Rare Earth Purification and Precipitation Pilot Plant
Refined NdPr-rich Rare Earth Hydroxide Precipitate being removed from filter unit

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