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MarketScreener Homepage  >  Equities  >  AUSTRALIAN SECURITIES EXCHANGE LIMITED  >  Hastings Technology Metals Ltd    HAS   AU000000HAS0

HASTINGS TECHNOLOGY METALS LTD

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Hastings Technology Metals Ltd (ASX:HAS) Second Pilot Plant Study Exceeds Recovery Performance

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02/11/2019 | 05:32pm EST

Sydney, Australia, Feb 12, 2019 - (ABN Newswire) - Hastings Technology Metals Limited (ASX:HAS) has successfully taken another step in the process to develop the Yangibana Nd-Pr Rare Earths Project, with the successful completion of a second beneficiation pilot plant at ALS Metallurgy's laboratory facility in Balcatta, Western Australia.

The Yangibana Nd-Pr Rare Earths Project is located in the Gascoyne region of Western Australia. The Company plans to construct a processing plant to produce a Mixed Rare Earths Carbonate product, through the process of mining, beneficiation and hydrometallurgy. The beneficiation and hydrometallurgical circuits have previously been successfully tested at pilot scale. This second beneficiation pilot plant has further validated the beneficiation circuit as well as providing information and samples for detailed engineering design.

"Confirming and exceeding the results of the first pilot study is another important milestone in the development of the Yangibana Project. These results provide us the confidence to push ahead with final financing leading to construction", said its Executive Chairman, Charles Lew.

Pilot Plant Summary

The simple and effective flowsheet developed in the laboratory test work program has translated into a 100kg/hr pilot processing circuit, operating 24 hours per day continuously over 8 days at ALS Metallurgy in Balcatta, Western Australia. ALS, with a specialist team dedicated to pilot plant operations, is a global leader in metallurgical testing and consulting services for minerals process flowsheet development and optimisation.

The flowsheet consisted of milling, rougher flotation, regrind and cleaner flotation stages. The flotation circuit selectively concentrates the rare earths-bearing mineral monazite into a final product whilst discarding 95% of the original rock waste mass.

Flotation process design was reconfirmed, as the performance output of the pilot plant improved over the course of the 8 days. A waste-diluted feed grade to the pilot plant of 1.02% TREO, simulated real mining effects of drilling and blasting, in the process testing the robustness of the process flow sheet equipment under less than ideal conditions.

Over 700kg of REO concentrate was produced of which 400kg of concentrate contained 8.6% Nd2O3+Pr6O11 upgraded from 0.43% by 20 times. This concentrate will be used to validate the design of the acid concentrate mixer and selection of other critical equipment in the detailed design.

Results of 12-hour shift composites gave 80.1% TREO recovery at 19% TREO, including 7.8% Nd2O3+Pr6O11. Maximum concentrate grades of 25.9% TREO, including 10.6% Nd2O3+Pr6O11 were achieved during the operation. The maiden pilot plant test achieved a maximum recovery of 70.8% at a concentrate grade of 23% TREO, including 9.8% Nd2O3+Pr6O11.

Key areas of the engineering design were tested during the pilot plant campaign, with lead engineers involved in the front-end engineering design phase visiting the operation. Vital data was obtained, including updated findings for slurry pulp, solid liquid separation steps and concentrate properties, all of which can be applied for engineering design optimisation.

To view tables and figures, please visit:
http://abnnewswire.net/lnk/6F4Z0553


About Hastings Technology Metals Ltd:

Hastings Technology Metals Ltd (ASX:HAS) is a leading Australian rare earths company, with two rare earths projects hosting JORC-compliant resources in Western Australia.

- The Yangibana Project hosts Probable Reserves totaling 5.15 million tonnes at 1.12% TREO including 0.45% Nd2O3+Pr6O11 within JORC Resources totalling 21.0 million tonnes at 1.17% TREO (comprising Measured Resources of 3.9 million tonnes at 1.19% TREO, Indicated Resources of 8.6 million tonnes at 1.25% TREO and Inferred Resources of 8.4 million tonnes at 1.09% TREO), including 0.40% Nd2O3+Pr6O11.

- The Brockman deposit contains JORC Indicated and Inferred Resources totalling 41.4 million tonnes (comprising 32.3mt Indicated Resources and 9.1mt Inferred Resources) at 0.21% TREO, including 0.18% HREO, plus 0.36% Nb2O5 and 0.90% ZrO2.

- Rare earths are critical to a wide variety of current and new technologies, including smart phones, electric vehicles, wind turbines and energy efficient light bulbs.

- The Company aims to capitalise on the strong demand for rare earths permanent magnets created by expanding new technologies.

Contact:

 
Andrew Reid
Chief Operating Officer
T: +61-8-6117-6118

Andy Border 
General Manager Exploration
T: +61-2-9078-7674 

Copyright (C) 2019 ABN Newswire. All rights reserved., source Press Releases English

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Managers
NameTitle
Foon Keong Lew Executive Chairman
Andrew Reid Chief Operating Officer
Steinmetz Jean-Claude Non-Executive Director
Neil John Hackett Secretary & Non-Executive Director
Andy Border General Manager-Exploration
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