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VRX Silica achieves high recoveries from its silica sand process plant design

The company is now confident in the process circuit design and the final silica sand products capable of production.
VRX has received strong interest for potential offtake of silica sand products

VRX Silica Ltd (ASX:VRX) has confirmed high recoveries of commercial silica sand products from its Arrowsmith and Muchea Silica Sand Projects in Western Australia.

The company has now conducted three iterations of its test work, with the final iteration completed in March of this year by CDE Global, a renowned test work laboratory and process plant fabricator based in Northern Ireland.


VRX has since completed confirmation assays on final products from that test work through Nagrom Laboratories in Perth, WA.

Based on the test work and process circuit mass balance data, the following table summarises the recovered products:

VRX has released a process circuit design, engineering and cost estimate by CDE Global for a plant which was based on this test work and the final determination of recoveries is based on this circuit design, which included the attritioning step being conducted twice.

Attritioning is a high energy interaction of grains rubbing on grains which liberates attached fine particles and reduces particle size by breakage on corners and grain boundaries.

This reduces contaminants and improves particle shape.

VRX managing director Bruce Maluish said: “We are now confident in the process circuit design and the final silica sand products capable of production, which have been compiled into our products catalogue.

“We will continue to distribute our catalogue and gauge the response, which to-date has been extremely positive.”

READ: VRX Silica attracts $2.26 million to advance silica sand projects

VRX has had strong interest for potential offtake of silica sand products from the Asian region.

Importantly, the recoveries achieved are of products which will comply with the requirements from interested customers to date.

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