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December 21 - What is the current Nifty Copper Project timeline, status of the metallurgy testwork, and plan for 2.8Mtpa concentrator?
What is the current Nifty Copper Project Timeline?
● Restart Study completed in February 2022
● Finance process completed in June 2022
● All Required approvals submitted by February 2022
● Construction commences in September 2022
● Copper metal production commences second half 2023
● Finance process completed in June 2022
● All Required approvals submitted by February 2022
● Construction commences in September 2022
● Copper metal production commences second half 2023
Timelines will be brought forward where possible but the above timeline is dictated by the estimated Regulatory Approvals process.
What is the status of Nifty Copper Project metallurgy testwork?
● Over 200,000 tonnes of copper cathode has been produced by heap leach SX-EW at the project so the metallurgy of the leaching process is well known and proven
● The SX-EW plant has been optimised during the previous operational period for exactly the leach solution that will come off the heaps. We are including technological advances to the SX-EW process as part of our refurbishment engineering design works.
● The CYM testwork is focusing on the optimisation of the leach parameters particularly the reagent consumptions and to minimise the leach curve rates of copper extraction
● The rate of copper extraction for the project varied according to the operating philosophy;
● The SX-EW plant has been optimised during the previous operational period for exactly the leach solution that will come off the heaps. We are including technological advances to the SX-EW process as part of our refurbishment engineering design works.
● The CYM testwork is focusing on the optimisation of the leach parameters particularly the reagent consumptions and to minimise the leach curve rates of copper extraction
● The rate of copper extraction for the project varied according to the operating philosophy;
o WMC targeted 80-85% recovery in 120 days
o Straits targeted 80-85% recovery in 600 days
o CYM is targeting 80-85% recovery in 350 days
o Straits targeted 80-85% recovery in 600 days
o CYM is targeting 80-85% recovery in 350 days
● Four columns have been commenced so far with 1 completed (final report to be received) and 3 columns still in process, including a 6-metre column which is based on the expected site operating parameters. Further column test work will be required to test further potential reductions in reagents usage and confirmatory tests on other samples.
● Reporting of results will occur prior to the completion of the Restart Study which is scheduled for February 2022.
● Reporting of results will occur prior to the completion of the Restart Study which is scheduled for February 2022.
What is the plan for the Nifty Copper Project 2.8Mtpa Concentrator?
● It is the intention to treat the sulphide component of the Nifty Open Pit as a heap leach but the metallurgical testwork will not be completed until 2022.
● If the testwork is successful then the concentrator is surplus to requirements.
● If the sulphide heap leach results do not produce superior profits than producing copper in concentrate then the sulphide mineral resource will be processed through the concentrator and the concentrate sold to smelters.
● If the testwork is successful then the concentrator is surplus to requirements.
● If the sulphide heap leach results do not produce superior profits than producing copper in concentrate then the sulphide mineral resource will be processed through the concentrator and the concentrate sold to smelters.
What are the head office contact details for Cyprium Metals?
Cyprium Metals Limited
Unit 1, 437 Roberts Road
Subiaco WA 6008
Australia
Telephone : +61 8 6374 1550
Who are the auditors for Cyprium Metals?
HLB Mann Judd
Level 4
130 Stirling Street
Perth WA 6000
Australia
When does Cyprium Metals financial year end?
Cyprium Metals’ financial year ends 31 December in each year.
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