
North Bay Resources boosts output with refinery shipment, advances flotation circuit optimization
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North Bay Resources Inc CEO Jared Lazerson talked with Proactive's Stephen Gunnion about the company's latest developments in its gold processing operations, highlighting strong recovery results and ongoing optimization efforts.
Lazerson confirmed that North Bay has shipped 344 pounds of gold concentrate to its refinery partner, Just Refiners, as part of what he described as the second major test shipment. He noted, “We’re still in the test shipment phase… but every penny counts,” estimating the value of the shipment at just under $10,000. The aim is to finalise proof-of-concept and prepare the mill for ramp-up.
The company has transitioned its processing approach, making gravity separation the primary method over flotation. This shift followed encouraging metallurgical results in December, which showed a 97% recovery rate—approximately a two-thirds gravity to one-third flotation ratio. Lazerson reiterated the strength of these figures, saying, “Extraordinary recovery… gravity seems to be going really well.”
To support optimization, North Bay has upgraded the ball mill with new grinding balls and improved the raker classifier. The flotation circuit is also under fine-tuning, with all reagents on hand and final conditioning steps being assessed.
The company anticipates that improved flotation performance could lift overall recovery by more than 30%, adding additional revenue potential from future shipments.
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