Renascor Resources Ltd (ASX: RNU) was helped by a graphite pilot plant in China in order to identify the feasibility of its Siviour graphite project in South Australia. This was possible awing to the result of production of a maiden quantity of high-grade graphite concentrates from a batch of the project’s sample ore. The pre-feasibility study was done on a pilot plant which used mineral processing parameters based on the maximum throughput of 200 kilograms per hour. This study was completed in the month of march. In order to achieve mineral processing parameters grades of 95% and its related enhancements in estimated PFS recoveries the following test was performed. Based on the project’s definitive feasibility study (DFS), the produced concentrate will be used for metallurgical tests. This would be followed by downstream testing and marketing efforts during ongoing offtake negotiations of Renascor.
Using approximately nine tonnes of Siviour sample ore, the Chinese pilot plant was able to complete the initial trial of eight production runs in order to simulate typical composite material, with the focus of achieving pre-feasibility parameters of 95% TGC as well as 91% recovery. This Chinese pilot plant operates within an operating graphite mine. The graphite with purity level of 95% of purity was achieved after the fourth trial run. There was a visible improvement in the recovery up to 94.8%. The average recovery reported was 93%.
There is another production run aligned in the month of November end. The laboratories in Australia, Germany and Canada will perform the recovery replication test. In order to support the planned DFS, the company is using the flowsheet parameters for Siviour which will support the project by offering potential process improvements in the upcoming test.
To support the definitive feasibility study of the project, Renascor introduced the Chinese pilot production program by marketing sample generation. Renascor was able to complete batch initiation tests following the reverse circulation chips before the first production run. These initiations were done in order to understand the expected and the necessary changes required in final product particle distribution of size. The outcome of the test done on the sample proved that the purity of the concentrate would not be impacted. The company was able to complete the first phase of definitive feasibility study drill program at Siviour. It had air core drillholes for 4691m and 99 reverse circulation. The drilling was performed close to each other in order to identify if there is any continuity of mineralization within the project or not as indicated in the resource area. The holes were made intersecting the graphite zone. The program also includes the expansion drilling of the resources near-surface, high-grade zones expected in order to make up part of the mining schedule for the project’s first five years. Renascor is further making progress in additional DFS work programs which include optimization mineral process testing, detailed engineering and procurement, regulatory approvals followed by offtake negotiations.
The current market price of the share is A$0.018 (up 5.88% on November 01, 2018) with a market capitalization of A$16.34 million.
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