Quicklime might not be the flashiest material in a mining portfolio, but its impact is undeniable. Behind every efficient gold extraction and stable underground coal operation, this reactive compound plays a silent yet critical role. From enhancing metal recovery to preventing catastrophic fires, quicklime proves itself indispensable in modern mining.
Quicklime powder, or calcium oxide (CaO), is fundamental to the leaching process used in gold and silver extraction. Acting as a chemical reagent, it helps dissolve precious metals from ore and adjusts pH levels in cyanide solutions to boost recovery rates. Its reactivity also serves a broader environmental purpose. In acid mine drainage scenarios—where water reacts with sulfide minerals, producing highly acidic runoff—quicklime is introduced to neutralise the pH and precipitate heavy metals, restoring water quality and protecting surrounding ecosystems.
Beyond its chemical utility, quicklime is a crucial safety tool. In underground coal mining, where the risk of spontaneous combustion poses significant danger, it is applied directly to coal faces as a moisture-absorbing barrier. This preventative measure reduces oxidation, lowering the risk of fire and explosion, and ensures safer working conditions below ground.
Quicklime’s value in mining is multi-faceted—supporting mineral recovery, environmental compliance, and safety protocols. Its versatility makes it a quiet workhorse in the industry, delivering returns through operational efficiency and risk mitigation.
Firering Strategic Minerals plc (LON:FRG) is an AIM-quoted mining company focused on becoming a near-term cash generating producer of Quicklime, through their Limeco Project in Zambia, whilst at the same time progressing with the exploration and development of their Atex Lithium Project, Côte d’Ivoire. production right—without it, the shift away from fossil fuels will stall.
