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In 1904, he purchased Baker & Co., a platinum smelting and refining business located in Newark and in 1905, he established Hanovia Chemical and Manufacturing Company also in Newark. Engelhard became the world's largest refiner and fabricator of platinum, gold and silver, a producer of silver and silver alloys in mill forms, operator of the ...
ASARCO (American Smelting and Refining Company) is a mining, smelting, and refining company based in Tucson, Arizona, which mines and processes primarily copper. The company has been a subsidiary of Grupo México since 1999. Its three largest open-pit mines are the Mission, Silver Bell and Ray mines in Arizona. Its mines produce 350,000,000 to ...
16th century cupellation furnaces (per Agricola). Cupellation is a refining process in metallurgy in which ores or alloyed metals are treated under very high temperatures and subjected to controlled operations to separate noble metals, like gold and silver, from base metals, like lead, copper, zinc, arsenic, antimony, or bismuth, present in the ore.
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Copper and precious metal recycling facilities were at Brampton, Ontario; East Providence, Rhode Island; La Vergne, Tennessee; Roseville, California; San Jose, California; and Penang, Malaysia. Falconbridge Ltd. also operated an aluminium smelter in New Madrid, Missouri and an alumina refinery in Gramercy, Louisiana.
It was first mentioned in the Hamburg merchant almanac in 1783, but Marcus Salomon Beit was already permitted to build a silver parting and smelting furnace in Hamburg in 1770. As time went on, the company not only smelted coins and precious metal alloys but also silver ores, so a shift of production towards ore smelting occurred. After 1830 ...
An aluminum company has singled out northeastern Kentucky as its preferred site for a new aluminum smelter that would bring about 1,000 permanent jobs to an Appalachian region hard hit by the loss ...
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 .