Producer

Cosayach

HQ CL · Santiago, Chilewebsite ↗

Chilean natural sodium nitrate (NaNO3) miner from Atacama Desert caliche ore. One of Chile's last active natural nitrate operations alongside SQM. Produces natural sodium nitrate (caliche nitrate) for specialty markets including CSP solar salt, glass, food preservation, and fertilizer. Atacama caliche ore is the world's only commercial natural nitrate deposit; Chile once supplied 60%+ of world nitrogen fertilizer before Haber-Bosch process displaced it.

Inputs supplied

Goods downstream

Facilities

Stories

What they make

1 input Cosayach supplies

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chemical

Molten Salt Heat Transfer Fluid (NaNO2/NaNO3 for CSP Solar) →

8% shareSubstitutability 55%4 mo lead

Where they make it

1 facility

Cosayach -- Atacama Desert Caliche Operations →

Tarapaca / Antofagasta Region, Atacama Desert, Chile · mining_and_processing

Natural sodium nitrate extracted from caliche ore (a mineral crust in Atacama Desert soils). Operations in Norte Grande region. Caliche NaNO3 is the only commercial natural nitrate source; Chile holds the world's entire exploitable reserve. This chemistry was the basis of the 19th-century Saltpeter War (War of the Pacific, 1879-1884) between Chile, Peru, and Bolivia.

What else they do

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