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Marenica Energy’s process testwork indicates high uranium recovery

The U-pgrade process reduced one tonne of mined ore to only 25 kilograms.
uranium on the elementary table
Uranium price is slowly improving

Marenica Energy Ltd’s (ASX:MEY) testwork has confirmed the benefits of its proprietary U-pgrade process on the ore samples collected from the Langer Heinrich uranium mine in Namibia.

The U-pgrade process reduced one tonne of mined ore to only 25 kilograms for presentation to the leach plant, whilst increasing the grade by circa 35 times.

Importantly, the results indicate the potential to create an extremely low volume and high-grade concentrate with high recovery.

Significant process improvement over current methods

The testwork on Langer Heinrich ore was completed on a single composite prepared from four individual samples taken from the Langer Heinrich low-grade stockpiles.

The results indicate that the U-pgrade process plant recovery is expected to be in the mid to high 80% range, producing a concentrate for leaching of less than 2.5% of the mined mass.

This means that for every one tonne of ore mined only 25 kilograms would be sent to the leach plant.

By comparison, currently, 600 kilograms of ore is presented to the leach plant for every tonne mined.

Paladin Energy evaluating the potential benefit of the technology

Paladin Energy Ltd (ASX:PDN) owns the Langer Heinrich mine and is evaluating the potential benefits of Marenica’s technology for its operations.

The company is aiming to improve the existing operation in terms of both recovery and operating cost, considering the remaining reserve average of circa 450 ppm uranium.

Notably, the weak price of uranium has turned the corner and is slowly improving thanks to significant production cuts from existing producers.

Last month, Cameco suspended production at its McArthur River mine, the world’s largest producing uranium mine, for at least 10 months.

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Marenica Energy Ltd Timeline

April 07 2017
February 08 2016

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