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    PH7 C$5M copper extraction trial at Gibraltar: process and risk notes for engineers

    July 1, 2026|

    Reviewed by Joe Ashwell

    PH7 C$5M copper extraction trial at Gibraltar: process and risk notes for engineers

    First reported on MINING.com

    30 Second Briefing

    PH7 Technologies has secured C$5 million from Natural Resources Canada’s Energy Innovation Program to trial a closed-loop copper extraction process on samples from the Gibraltar mine in British Columbia, Canada’s second-largest open-pit copper operation. The proprietary flowsheet aims to convert low-grade sulphide ore directly into 99.9% pure copper cathodes on-site while generating green hydrogen as a by-product, cutting reliance on conventional smelting. Engineering and technology development phases will focus on generating operational, environmental and economic data to de-risk future demonstration plants and commercial deployment across Canadian copper sites.

    Technical Brief

    • Funding of C$5 million (~US$3.5 million) comes via Natural Resources Canada’s Energy Innovation Program.
    • Trial feed will be sourced from Trekor Metals’ Gibraltar mine, Canada’s second-largest open-pit copper operation.
    • Project is part of NRCan’s decarbonisation-focused call for proposals, linking copper production directly to energy-transition policy.

    Our Take

    Natural Resources Canada has been deploying similar-scale non-dilutive funding across the value chain – from pH7 Technologies’ copper work to gallium recovery with Rio Tinto and molybdenum at Malmbjerg – signalling a deliberate push to de-risk unconventional critical-mineral extraction routes rather than only backing new mines.

    Our database shows pH7 Technologies already received up to C$4 million via NRC IRAP for PGMs and chalcopyrite processing, so this additional NRCan backing suggests Ottawa now views the Vancouver-based processor as a platform technology player for multiple critical minerals, not a single-commodity bet.

    With copper and other critical minerals central in 297 keyword-matched pieces, the involvement of existing operators like Taseko Mines at Gibraltar and Trekors’ Pilot Mountain in Nevada indicates that if pH7’s 99.9% cathode process scales, it could offer brownfield sites a route to monetise lower-grade or complex feeds without full flowsheet overhauls.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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