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6 results for “refinery” in Industry
Industry · 2 July 2026
Nine Nines: Inside a Modern Gold Refinery
…chnology is medieval and the tolerance is a part in ten thousand. Chief assayer, European refinery, speaking on background · The pour. By this stage the metal has passed chlorination and electrolysis; the only remaining variable is the cast. A refinery worker pouring molten gold…
Tomas Herrera · 12 min read
Industry · 28 July 2026
Urban Mining: The Richest Gold Ore on Earth Is in Your Old Phone
…g the most toxic residues. · Recycled metal already supplies a meaningful share of annual refinery feed and is the only supply source that responds quickly to price. · Miniaturisation cuts gold per device but raises the difficulty of separating it, so recovery rates are not autom…
Tomas Herrera · 13 min read
Industry · 7 August 2026
How Fake Gold Is Detected
…r than XRF. Fire assay: destructive, definitive, and reserved for settlement disputes and refinery intake. · A working authentication bench. The cheap instruments do most of the volume; the expensive ones exist to catch what the cheap ones structurally cannot see. Calipers, an ul…
Tomas Herrera · 15 min read
Industry · 6 August 2026
The Scrap Trade
Roughly a quarter of the world's annual gold supply has been gold before. It arrives as broken chains, single earrings and dental crowns, and it moves through a chain of intermediaries that most selle…
Ingrid Sørensen · 15 min read
Industry · 7 August 2026
After the Cyanide
Every ounce of mined gold leaves behind roughly a tonne of processed rock and the water that carried it. What happens to that material after the last shift is the part of the industry with the longest…
Tomas Herrera · 17 min read
Industry · 4 August 2026
The Gold Inside Your Phone
Industrial demand is the quietest third of the gold market: a few tenths of a gram per handset, multiplied by billions of devices, chosen not for prestige but because nothing else conducts as reliably…
Tomas Herrera · 15 min read
