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Quizás quisiste decir: primera leal smelting
  • Miniatura para Impacto ambiental de la minería
    An Exploration of the Environmental Impact of Ancient Metal Mining and Smelting in Southern Jordan». Journal of Archaeological Science (en inglés) 27 (9):…
    65 kB (7958 palabras) - 11:37 19 jun 2024

Resultados de la Wikipedia en inglés.

  • production of lead are generally referred to as lead smelters. Primary lead production[clarification needed] begins with sintering. Concentrated lead ore is…
    15 kB (1894 palabras) - 11:12 19 ago 2024
  • used to obtain many metals such as iron, copper, silver, tin, lead and zinc. Smelting uses heat and a chemical reducing agent to decompose the ore, driving…
    34 kB (3805 palabras) - 06:50 27 ago 2024
  • with locations in Arizona and Washington. It also owns two former primary lead smelter sites in the U.S. that are currently being remediated. It is wholly…
    54 kB (5185 palabras) - 05:29 15 ago 2024
  • Zinc smelting is the process of converting zinc concentrates (ores that contain zinc) into pure zinc. Zinc smelting has historically been more difficult…
    27 kB (3652 palabras) - 06:35 14 ago 2024
  • anodes have a specific situation in aluminium smelting and depending on the type of anode, aluminium smelting is divided in two different technologies; “Soderberg”…
    21 kB (2736 palabras) - 17:39 22 jun 2024
  • ASARCO (American Smelting and Refining Company) is a mining, smelting, and refining company based in Tucson, Arizona, which mines and processes primarily…
    16 kB (1704 palabras) - 05:48 8 ago 2024
  • recent smelting method that may act as an extension to primary production; battery paste from spent lead–acid batteries (containing lead sulfate and lead oxides)…
    176 kB (19 059 palabras) - 16:04 30 ago 2024
  • International Smelter began operation in 1910 as a copper producer handling ores from Bingham Canyon and was expanded into a lead smelting operation in…
    22 kB (2740 palabras) - 13:42 12 jun 2023
  • for lead exposure. Other occupations that present lead exposure risks include welding, manufacture of rubber, printing, zinc and copper smelting, processing…
    198 kB (21 311 palabras) - 11:47 21 ago 2024
  • zinc, lead, silver, gold and copper mine; Port Pirie Smelter, a primary lead smelting facility; Australian Refined Alloys, an acid battery and lead recycling…
    8 kB (636 palabras) - 04:07 29 sep 2022
  • concerns about the environmental consequences of improper disposal and of lead smelting operations, among other reasons. Alternatives are unlikely to displace…
    57 kB (7515 palabras) - 11:49 11 ago 2024
  • in the ways in which ore was prepared for smelting and in the smelting process itself. The traditional smelter was a bole, a large fire built on a hill…
    42 kB (6524 palabras) - 14:05 25 mar 2024
  • was widely available, which could be smelted to produce metallic lead. The lead metal would be calcined to form lead oxide by roasting it and scraping off…
    32 kB (3869 palabras) - 15:19 19 ago 2024
  • Copper extraction (categoría Smelting)
    these were treated by smelting. Copper was initially recovered from sulfide ores by directly smelting the ore in a furnace. The smelters were initially located…
    63 kB (7384 palabras) - 02:05 24 ago 2024
  • (Angus and Robertson: Sydney, 1960), 182–191. The smelting staff at Mount Isa, "Notes on copper smelting at Mount Isa, 1943–1946," Proceedings of the Australasian…
    52 kB (6847 palabras) - 04:46 21 ene 2024
  • Galena (redirección desde Lead glance)
    calcite and fluorite. Galena is the main ore of lead, used since ancient times, since lead can be smelted from galena in an ordinary wood fire. Galena typically…
    16 kB (1537 palabras) - 04:57 5 ago 2024
  • non-ferrous smelting. About 70% of the world's primary lead production is still produced this way. The combination was once used in copper smelting, as at…
    7 kB (1031 palabras) - 00:45 4 ago 2024
  • Blast furnace (categoría Smelting)
    metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. Blast refers to the…
    62 kB (7277 palabras) - 08:33 13 ago 2024
  • establishments engaged either in "Gold Ore Mining" (NAICS Code 212221), or "Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)" (NAICS…
    4 kB (350 palabras) - 12:42 22 sep 2022
  • World Directory: Lead and Zinc Mines The Market for Lead Environmental Regulations Affecting Lead Lead and Zinc New Mine and Smelter Projects World Zinc…
    8 kB (581 palabras) - 15:41 21 ago 2024
  • revitalized lead mining in the district. Austin was the first to sink deep mine shafts and start smelting operations, dramatically increasing lead production…
    17 kB (1538 palabras) - 02:24 23 mar 2024