Bunker Hill Mining Corp. has started selling lead and zinc concentrates from its new processing plant in Kellogg, Idaho. This represents the first revenue-generating activity at the site since the original mine shut down in 1975.
Ending a 45-year silence in Kellogg
The resumption of sales at the Kellogg site is more than a corporate milestone; it is a revival of a historic industrial hub. According to the report, president Sam Ash noted that this achievement validates the engineering and construction work required to bring a decades-old operation back into the production cycle. By converting raw ore into sellable concentrate, Bunker Hill Mining Corp. has transitioned from a capital-expenditure phase to an operational one.
This move reflects a broader trend in the mining industry where "brownfield" sites—locations with existing infrastructure—are being reimagined with modern technology. For the local economy in Idaho, the retun of a primary employer like Bunker Hill Mining Corp. suggests a shift back toward resource extraction as a driver of regional growth, ecohing the industrial booms of the mid-20th century.
Scaling from 1,800 to 2,500 tons per day
The current processing facility in Kellogg is finalizing its commissioning phase with a capacity to handle 1,800 tons of ore per day. As the company optimizes the plant, it intends to move to a 24-hour, seven-day-a-week operating schedule to maximize output. The report says that the facility is designed for future growth, with the potential to expand to roughly 2,500 tons per day with only modest additional capital investment.
This scalability allows Bunker Hill Mining Corp. to integrate additional proven resources into its long-term mine plans. By building in this flexibility, the company can react to fluctuations in lead and zinc market prices without needing to rebuild its core infrastructure from scratch .
The 140-mile pipeline to Teck’s Trail smelter
The logistics of the operation rely on a critical supply chain extending into Canada. The lead and zinc concentrates produced in Idaho are shipped approximately 140 miles to a smelter operated by Teck in Trail, British Columbia. This arrangement is governed by existing offtake agreements, ensuring that Bunker Hill Mining Corp. has a guaranteed destination for its product as it ramps up production.
The rapid transition from construction to commissioning was supported by a network of partners, including Gypsy Life LLC, Ausenco, Mountain West Industrial, and Metso Corporation. These collaborations highlight the complexity of modern mining, where the mining company acts as the orchestrator of specialized engineering and logistics firms to ensure the flow of materials across international borders.
Reducing environmental footprints via filter press technology
To mitigate the environmental legacy of old-school mining, Bunker Hill Mining Corp. has implemented a state-of-the-art filter press for dewatering tailings. This technology produces a "filter cake" that is either stored in a dry-stack facility or used as backfill underground. As the company stated, this approach significantly reduces water consumption and improves the overall safety of underground mining operations.
Furthermore, the nearly complete paste backfill plant at the Wardner site will provide essential structural support for underground mining. by stabilizing ground conditions, the company can increase productivity while minimizing the surface impact of its tailings,addressing the environmental concerns that often plague the restart of legacy mines.
The discrepancy between 'year-end' and 'next year' targets
Despite the progress, there remains a lack of clarity regarding the exact timeline for full commercial production. The source reeport contains conflicting data, mentioning both a goal to reach full production by "year-end" and a plan to reach it by the "end of next year." It remains unclear which target is the primary benchmark for investors and stakeholders.
Additionally, while the company mentions managing liquidity "prudently," the specific terms of its financing structure and the exact amount of capital remaining for the 2,500-ton expansion are not disclosed. Whether the current revenue stream is sufficient to cover operational costs or if further funding rounds are required remains an open question.
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