The pilot plant was constructed on time and on budget and can be operated in a fully remote capacity.įigure 3: Photographs of Pilot Industrial Water Treatment Plant During Construction and Operation is available at:Ībove ground, the clean-up and clear-out of the main Bunker Hill yard continues apace.
The Company will work closely with environmental regulators to determine the best path forward for all stakeholders.
BUNKER HILL TV PILOT FULL
The Company believes the system operating at full scale may offer operating cost savings. Whilst this is a preliminary step in terms of the range of potential future effluent treatment outcomes, it has the potential to unlock options that create capacity at the CTP for other water treatment requirements across the Silver Valley. Regular sampling and testing analysis is ongoing to evaluate the efficacy of the Pilot Plant and allow the team to make various parameter adjustments. The two streams are later combined and mixed before being discharged where it is later treated by the Central Treatment Plant (the “CTP”) in Kellogg. It is treating effluent from the mine, separating it into clean water and sludge discharges to help determine the capabilities of the system. The Company will conduct a testing program throughout the Spring freshet period. The simplified flow sheet for this system is shown below.įigure 2: Flow Sheet Diagram for Pilot Industrial Water Treatment Plant at Bunker Hill Mine is available at The system uses a Lamella clarifier to separate clean water from metals and solids after the mine’s effluent mixes with a lime slurry, blown air, recirculated sludge and eventually flocculant. The system is a 1/20 th scale version of the larger system that has been designed to meet the mine’s IPDES water discharge requirements. Photo 1: Picture of development decline is available at įigure 1: Isometric view indicating current face position is available at Ī pilot water treatment plant is now operational on site. In due course (scheduled in 2023) a further decline will be driven from the 8 Level to the 9 Level to connect the highest five levels of the mine with the historic Kellogg Tunnel that leads directly to the main Bunker Hill yard and processing plant. To date, actual performance is in line with zero based productivity and cost estimates It informs the development cost and geotechnical estimates that will underpin the Prefeasibility Study mine plan. It unlocks access to mineralized material, opening up potential pre-production revenue opportunities including toll milling and/or ore purchase agreements prior to commissioning of the Pend Oreille mill It provides rubber tire access from the Russell Portal (main mining operational base) through the highest four levels of the mine (the 6 Level already connects to the 8 Level, therefore the breakthrough will connect the 5, 6, 7 & 8 Levels) The significance of this work is threefold: Unit costs remain in the planned range and on track to complete the connection to Level 6 in Q3 2022. In support of these efforts, the mine now has ventilation fans in full operation for the first time in 40 years and its first ever underground haul truck at work. To prepare the ground for potential toll-milling opportunities, and as part of the planned restart, a decline is being driven from the 5 Level (the highest accessible level of the mine) to the 6 Level, having just passed the 500’ point. Whether it’s driving the underground decline to access areas for potential pre-production revenue opportunities, commissioning our pilot water treatment plant, or preparing surface infrastructure for the construction of the Pend Oreille Mill, we are moving forward at a rapid pace and remain on course to restart the Bunker Hill Mine by the end of 2023.” Sam Ash, CEO stated: “It’s exciting to witness the significant acceleration of physical activity at the Mine since we raised our last equity capital, driven by our expanded and Kellogg-based operational team.
BUNKER HILL TV PILOT UPDATE
(the “Company”) (CSE: BNKR, OTCQB: BHLL) is pleased to provide an update on restart project activities taking place at the Bunker Hill Mine. TORONTO, (GLOBE NEWSWIRE) - Bunker Hill Mining Corp. Live broadcast and replay available at /soarfinancial or /soarfinancialĬEO Sam Ash and CFO David Wiens to host live interactive 6ix investor event on Tuesday, May 24 at 11:00am ET / 8:00am PT. Prefeasibility Study results on track for June 2022, along with formal construction decisionĬEO Sam Ash interviewed live by Kai Hoffmann today at 1:00pm ET / 10:00am on SF Live. Update on Pend Oreille mill purchase closing and demobilization commencement expected in May 2022
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