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  2. Garfield Refining - Wikipedia

    en.wikipedia.org/wiki/Garfield_Refining

    The company was founded in 1892 and was originally called Eastern Smelting. [1] In 1928, it was purchased by the Garfield family. Still located in Philadelphia, Garfield's headquarters house a facility that separates precious metals from waste material, as well as an on-site assay laboratory. The family-owned and operated refinery services a ...

  3. Cerro Gordo Mines - Wikipedia

    en.wikipedia.org/wiki/Cerro_Gordo_Mines

    Some ore was smelted on site, but larger capacity smelters were eventually constructed along the shore of nearby Owens Lake. These smelting operations were the beginnings of the towns of Swansea and Keeler. Most of the metal ingots produced here were transported to Los Angeles, but transportation difficulties hindered the success of the mines ...

  4. List of aluminium smelters - Wikipedia

    en.wikipedia.org/wiki/List_of_aluminium_smelters

    March 15, 2023 - Production at the smelter will be reduced to approximately 75 percent of the site’s total consolidated capacity of 358,000 metric tons per year (mtpy). Alcoa’s share of the total capacity is 197,000 mtpy. The smelter, which has a total of 408 pots, had previously been operating at about 95 percent of its total capacity.

  5. Precious metal - Wikipedia

    en.wikipedia.org/wiki/Precious_metal

    The best known precious metals are the precious coinage metals, which are gold and silver. Although both have industrial uses, they are better known for their uses in art , jewelry , and coinage. Other precious metals include the platinum group metals: ruthenium , rhodium , palladium , osmium , iridium , and platinum , of which platinum is the ...

  6. Rand Refinery - Wikipedia

    en.wikipedia.org/wiki/Rand_Refinery

    Rand Refinery (Pty) Limited is the world's largest integrated single-site precious metals refining and smelting complex. It was established in 1920 to refine gold within South Africa , which had previously been refined in London .

  7. ASARCO - Wikipedia

    en.wikipedia.org/wiki/Asarco

    ASARCO lead smelter in Murray, Utah; January 1, 1922. ASARCO was founded in 1888 as the American Smelting and Refining Company by Henry H. Rogers, William Rockefeller, Adolph Lewisohn, Robert S. Towne, Anton Eilers, and Leonard Lewisohn. From 1901 to 1959, American Smelting and Refining was included in the Dow Jones Industrial Average.

  8. Lead smelting - Wikipedia

    en.wikipedia.org/wiki/Lead_smelting

    Rönnskär copper smelter is in Skelleftehamn, Sweden and its main products are copper, zinc clinker, lead and precious metals. Bergsöe lead smelter outside Landskrona in southern Sweden extracts lead from scrap car batteries. Tara Mine

  9. Refining (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Refining_(metallurgy)

    In metallurgy, refining consists of purifying an impure metal. It is to be distinguished from other processes such as smelting and calcining in that those two involve a chemical change to the raw material, whereas in refining the final material is chemically identical to the raw material. Refining thus increases the purity of the raw material ...