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Sir Clement Clerke, 1st Baronet (died 1693) was an important (but financially unsuccessful) English entrepreneur, whose greatest achievement was the application of the reverberatory furnace (cupola) to smelting lead and copper, and to remelting pig iron for foundry purposes.
They already owned a foundry they had created in Masevaux around 1862 and the Héberlé & Ott foundry in Mulhouse, which they had bought in 1875. [38] During World War I (1914–18) the French moved into the region in the first weeks, and the Masevaux foundry and Niederbruck copper works were converted to production of war materials.
Gold-copper ore, concentrated and leached 16 (2018) [6] 16 Lisbon Valley San Juan County, Utah: Lisbon Valley Mining Company Copper ore, open pit, heap leached 10–15 (2018) [9] 17 Miami: Gila County, Arizona: Freeport-McMoRan: Copper ore, leached 5 (2021) [2] 18 Carlota Gila County, Arizona: KGHM Polska Miedź: Porphyry copper open pit ...
The mill was originally an ironworks, but Revere used a loan from the Department of the Navy to convert it into a copper foundry, completing America's first copper rolling mill. The most important pieces of equipment were the rollers themselves, which consisted of large iron cylinders through which raw copper would be inserted and compressed.
The Nkana Copper Refinery produces electrolytically refined copper in the form of cathodes. [22] The copper meets the LME premium quality grade. [22] The tankhouse has a capacity of about 180,000 tons of finished copper per annum. [22] It has been expanded to accommodate the increased anode production from the Nchanga smelter. [28]
The company acquired an English company with a small metallurgical plant in Nantes, and in 1860 founded a non-ferrous metal foundry at Couëron. [22] The Couëron lead foundry employed 160 workers in 1863. [23] At first only lead was to be processed, but in 1878 a copper factory was added, and the company began importing refined copper and zinc.
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In 1936, Kennecott acquired all the assets of the Utah Copper Company. [3] During World War II, Bingham set new world records for copper mining and produced about 30% of the copper used by the Allies. During the war, many women worked for the first time in the mines, mills, and smelters, replacing the men who had gone to war.