en.Wedoany.com Reported - Australian company Renascor Resources Ltd (ASX:RNU, OTC:RSNUF, FRA:RU8) has officially commenced graphite processing at its Purified Spherical Graphite (PSG) demonstration plant in Adelaide, marking a key step in its downstream battery materials strategy.
The introduction of graphite and reagents into the integrated purification process means the plant has begun production operations under operating conditions. Co-funded by the Australian government, the plant aims to demonstrate the production of battery-grade graphite meeting lithium-ion battery anode purity requirements without using hydrofluoric acid, through a hydrofluoric acid-free (HF-free) purification process. Current processing activities will also generate certification samples for potential customers.
According to the company, all major process systems at the PSG demonstration plant are now handling graphite under target operating parameters. Processing has advanced to the integrated purification stage, which includes the introduction of reagents into the caustic roasting circuit. The current phase focuses on validating the integrated purification process under operating conditions and is expected to continue into the next quarter. Thereafter, the plant will initiate larger-scale operating batches to generate optimized operating data and larger volumes of certification samples.
Renascor Managing Director David Christensen stated that commencing graphite processing through the integrated purification process is a significant milestone for the PSG demonstration plant and the company's downstream battery materials strategy. He noted that the company is operating the process with graphite and reagents under production conditions for the first time, aiming to demonstrate the production of battery-grade graphite and generate certification materials for potential customers. The demonstration plant was established precisely to validate the hydrofluoric acid-free purification process, generate operating data, and support customer qualification programs. Current activities represent a critical step in demonstrating this capability and transitioning to commercial-scale production.
Renascor's PSG demonstration plant is a key component of its strategy to establish an integrated mine-to-PSG business in Australia. The business is based on the company's wholly-owned Siviour graphite mine in South Australia. Built with support from a A$5 million grant under the Australian government's "Critical Minerals International Partnership Program," the plant is designed as a large-scale integrated processing facility capable of continuously processing graphite and producing tonne-scale quantities of battery-grade materials. The facility aims to validate the operational performance of the hydrofluoric acid-free purification process at demonstration scale and generate the operating data, cost validation, and certification materials needed to support commercial-scale downstream development. The company believes this hydrofluoric acid-free process has the potential to offer a commercially competitive and more environmentally friendly alternative to traditional purification methods by reducing reagent consumption, enabling reagent recycling, and minimizing environmental treatment requirements.
In terms of operational progress, installation contractors have fully demobilized from the site, and processing activities are now under the control of the operations team, with no safety or environmental incidents occurring. The company has sufficient graphite feedstock on site to support current processing activities, with additional feedstock already in Australia and expected to be transported to the demonstration plant for initial operating batches. Renascor is awaiting final export approvals for further graphite shipments intended to support larger-scale operating activities planned for the second half of the year. The company stated that these approvals may affect the timing of certain activities but are not expected to impact the current processing phase.
Renascor is developing a vertically integrated battery anode materials project in South Australia, encompassing the Siviour graphite mine, a proposed graphite mine and processing plant, and a battery anode materials production facility. As of March 30, 2026, the company had a cash balance of approximately A$95 million and a conditionally approved A$185 million loan facility under the Australian government's A$4 billion Critical Minerals Facility.
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