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  1. Smelting - Encyclopedia.com

    May 9, 2018 · Smelting is the process of separating the metal from impurities by heating the concentrate to a high temperature to cause the metal to melt. Smelting the concentrate produces a metal or a …

  2. Metallurgy through the Ages - Encyclopedia.com

    Metallurgy through the Ages Overview Over a period of thousands of years, humans learned to identify, extract, blend, and shape metals into tools, ornaments, and weapons. The ability of metals to alter …

  3. Daniel Guggenheim - Encyclopedia.com

    May 18, 2018 · Guggenheim, Daniel (1856-1930) American Smelting and Refining Company Overview Daniel Guggenheim was one of America's most powerful business leaders as well as one of the …

  4. Lead Industry - Encyclopedia.com

    LEAD INDUSTRYLEAD INDUSTRY first became commercially important to the United States in 1750 when sustained lead mining and smelting began in Dutchess County, New York, and at what later …

  5. Abraham Darby - Encyclopedia.com

    May 29, 2018 · Abraham Darby Abraham Darby (1677-1717) developed the coke burning blast furnace that made it possible to produce commercial grade iron cost-effectively. His work helped launch the …

  6. La Oroya | Encyclopedia.com

    La OroyaLa Oroya, town and mineral smelting center in the central highlands of Peru (1990 population 33,594). At 12,200 feet, La Oroya stands at the crossroads of the central railway and highway …

  7. Smelters - Encyclopedia.com

    SMELTERS. Smelting is a method of separating gold, silver, and other metals from their ores with fire and heat intense enough to melt the ores. A Spanish law of 22 August 1584 required a government …

  8. Iron Mining and Metallurgy - Encyclopedia.com

    Interest in locating deposits of iron, extracting the ore, smelting it, and refining it was evident in the earliest permanent settlements. Source for information on Iron Mining and Metallurgy: Encyclopedia …

  9. Mitsui Mining & Smelting Co., Ltd. - Encyclopedia.com

    Mitsui Mining & Smelting Co., Ltd. (MMS) is one of Japan ’ s leading smelters of zinc, copper, and other nonferrous metals. The company also trades in precious metals, and has developed a growing …

  10. Timna - Encyclopedia.com

    The Chalcolithic copper smelting furnace excavated on the fringes of the Arabah, east of the modern Timna copper mines, is the earliest smelting installation so far found. The next industrial installations …