Green Metals and Carbon Capture
Renforth and Queen's University Partner to Test Low-Carbon Metal Recovery in Québec
Anonymous
Renforth Resources is collaborating with Queen’s University to test a patent-pending hydrometallurgical process on material from its Victoria polymetallic deposit in Québec. The process is designed to recover nickel and cobalt—including nickel in pyrrhotite that conventional flotation typically misses—as well as copper and zinc from low-grade sulphide material. It would also convert magnesium- and iron-bearing minerals in the deposit’s ultramafic host rocks into stable carbonates, capturing carbon dioxide during processing. The research includes bench-scale and column leach tests, recovery of metals from solution, and techno-economic and life-cycle assessments; testing is underway, but the process’s performance and commercial viability have not yet been established.
Key Points
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Victoria has an inferred resource of 125 million tonnes containing 331 million pounds of nickel, 220 million pounds of zinc, 55 million pounds of copper, 28 million pounds of cobalt and 1.53 million ounces of silver.
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The column tests use coarse material as a laboratory analogue of heap leaching; Renforth says this approach could complement conventional processing and ore sorting, which it is also evaluating.
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Queen’s researcher Fei Wang said he was confident the process could recover critical metals directly from Victoria’s sulphide minerals while sequestering CO₂ from air in a single step.
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The process may avoid fine grinding and stringent operating conditions, according to the TipRanks report, though its practical performance remains to be validated.
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