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Prairie Lithium installs North America's largest DLE unit
Prairie Lithium's new DLE column is four times larger than Standard Lithium's Arkansas unit. A binding offtake with Hydro Lithium covers 150 tpa of LCE.
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Prairie Lithium (ASX:PL9) has taken delivery of what it calls the largest commercial Direct Lithium Extraction unit in North America, part of its Saskatchewan project. The hardware is roughly four times the size of the DLE column Standard Lithium installed in Arkansas last March, which the company said is achieving industry-leading results.
The unit sits inside a broader lithium plant at the Prairie Lithium Project. Executive Chairman Paul Lloyd framed the milestone as de-risking the project, noting the company already has a binding offtake deal with South Korean refiner Hydro Lithium for 150 tonnes per year of lithium carbonate equivalent once production starts.
“Over the past 18 months we have continued to execute against each of the major milestones required to advance Prairie Lithium toward commercial production,” Lloyd said in a statement.
The size of the DLE column matters for scale economics. A single column at Standard Lithium's Arkansas site has been running since March 2024. Prairie's unit is four times that size, which implies a materially higher throughput per column if the extraction chemistry performs similarly. The company did not disclose the unit's nameplate capacity or the supplier.
Prairie's pathway to revenue does not depend entirely on the DLE unit. The Hydro Lithium offtake covers 150 tpa of LCE, a relatively small volume by industry standards – equivalent to roughly one-tenth of a typical mid-tier brine project's initial output. That offtake provides a floor for cash flow but leaves the bulk of future production uncommitted.
Saskatchewan is not the first province that comes to mind for lithium brine extraction. Most North American DLE activity clusters in Arkansas's Smackover formation and California's Salton Sea. Prairie's project sits in the Williston Basin, better known for oil and gas. The geology is different – lithium-rich brines from the Duperow formation – and the company has not published a resource estimate that would allow direct comparison with Arkansas projects.
Lloyd's confidence rests on existing infrastructure at the site, the scalable DLE design, and the offtake agreement. The next concrete milestone will be first production, which the company has not dated publicly.