Bioleachers are sitting on a copper cache: why is uptake slow?

Bioleaching unlocks revenue from low-grade ores, but the cost-effective copper extraction process is struggling to get off ...
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Arizona Sonoran Achieves Average of 87% Extraction Rates of Soluble Copper in the Enriched Material

CASA GRANDE, Ariz. & TORONTO--(BUSINESS WIRE)-- Arizona Sonoran Copper Company Inc. (TSX:ASCU | OTCQX:ASCUF) (“ASCU” or the “Company”) an emerging US-based copper developer, announces results from 12 ...