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Elementos pre-concentration testing for Oropesa Tin Project proves a success

The company is looking to start production by 2021 and expects to meet some of the forecast annual global tin supply shortfall of 40,000 tonnes
Elementos pre-concentration testing for Oropesa Tin Project proves a success
Elementos has a global portfolio of tin projects in Australia, Spain and Malaysia

Elementos Limited's (ASX:ELT) first phase ore pre-concentration performance testing on a three-tonne bulk sample from the Oropesa Tin Project in Spain has proved successful.

The company is impressed with the results and initial visual inspection of the product and waste samples indicate that good separation has occurred.

These results demonstrate that ore sorting could potentially provide substantial operational and financial benefits at Oropesa.

A second phase of the test program will involve detailed chemical analyses of all the product and waste samples to determine the overall performance of the process with these results expected in late June 2019.



Elementos CEO Chris Creagh said: “We are very encouraged by the results of the first technical program completed at Oropesa, the first since finalisation of the acquisition earlier this year.

“While we have to wait for the final assay results to confirm the success of the program, early visual inspections of the sorted samples demonstrate great potential.

“A successful program could have a significant impact on the overall design of the Oropesa plant and potentially lower capital and operating costs which will in turn increase the overall return to shareholders.”

READ: Elementos has tin production path in three countries to help meet global shortage

Test work was completed at TOMRA Sorting Solutions in Hamburg, Germany.

The first phase involved separation of high-density particles from low density particles utilising TOMRA XRT technology.

READ: Elementos to outline its strategy to meet some of the predicted global shortfall in tin supply

The key objective of ore sorting is to maximise waste rejection prior to the expensive process of grinding in a processing plant.

The potential benefits of ore sorting include:

  • A mass rejection of waste could either reduce the scale of the downstream processing plant or enable an increased plant throughput;
  • Increase the grade of the sorted product feeing into the downstream processing plant;
  • Improve the metallurgical recoveries and concentrate grades in the downstream processing plant; and
  • Reduce the capital and operating costs in the downstream plant, providing the opportunity to exploit more of the mineral resource.

TOMRA XRT sorted bulk sample from high-grade tin ore from Oropesa 

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