Zinc smelting - WikiMili, The Free Encyclopedia
Oct 24, 2019 · Zinc smelting is the process of converting zinc concentrates (ores that contain zinc) into pure zinc. Zinc smelting has historically been more difficult than the smelting of other metals, e.g. iron, because in contrast, zinc has a low boiling point. At temperatures typically used for smelting metals, zinc is a gas that will escape from a furnace with the flue gas and be lost, unless specific measures …
Zinc Industry | Encyclopedia.com
Zinc was first introduced commercially in the United States during the 1850s, with small-scale smelting plants in New Jersey, Pennsylvania, Illinois, Missouri, and Arkansas, near sources of ore and fuel. The principal early use of zinc was in the production of brass, a zinc-copper alloy.
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 assortment of processed metal products for the automotive and electronics industries.
Zinc processing - Encyclopedia Britannica
Zinc processing, the extraction of zinc from its ores and the preparation of zinc metal or stone compounds for use in various products. Zinc (Zn) is a metallic element of hexagonal close-packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate
zinc | Properties, Uses, & Facts | Britannica
Metallic zinc is produced by roasting the sulfide ores and then either leaching the oxidized product in sulfuric acid or smelting it in a blast furnace. Zinc is won from the leach solution by electrolysis or is condensed from the blast furnace gas and then distilled of impurities.
Collinsville | The Encyclopedia of Oklahoma History and ...
The smelting industry had a significant impact on Collinsville. Opened in 1911, the smelters operated on a large scale until 1917 and on a smaller scale into the 1920s. The Bartlesville Zinc and Prime Western Zinc Smelters were both located on the southern edge of town.
Zinc - Wikipedia
This may refer to small quantities of zinc that is a by-product of smelting sulfide ores. Zinc in such remnants in smelting ovens was usually discarded as it was thought to be worthless. The Berne zinc tablet is a votive plaque dating to Roman Gaul made of an alloy that is mostly zinc.
Zinc - 1911 Encyclopedia Britannica - Bible Encyclopedia
Entry for Zinc - 1911 Encyclopedia Britannica - One of 8 Bible encyclopedias freely available, this resource contained over 40 million words in nearly 40,000 articles written by 1,500 respected authors
Bartlesville | The Encyclopedia of Oklahoma History and ...
The natural gas–fired smelters produced more than twenty-eight tons of zinc in 1909, with peak production occurring during World War I. Bartlesville Zinc purchased Lanyon-Starr in 1915 and moved to Blackwell, Oklahoma, in the 1920s, but National Zinc remained operational until 1997.
Zinc | The Canadian Encyclopedia
Jun 23, 2016 · Zinc is an essential element for human health; over 200 enzymes in the body require zinc for proper functioning. Zinc usually occurs as the mineral sphalerite. Geologically, zinc generally occurs concomitantly with copper or lead or both, which are recovered as co-products.
Smelting - Simple English Wikipedia, the free encyclopedia
Smelting is the general term for getting a metal from its natural ore. Gold is an exception because it is usually found as a pure metal. Other metals, like iron, copper, zinc, and silver, need to be got from their ore. The process of smelting always involves heating the ore, and may also use a reducing agent like coke or charcoal.
Mining | Tennessee Encyclopedia
Oct 08, 2017 · Tennessee zinc ore is shipped to other states for smelting, and the concentrates are used to manufacture die castings and paint pigments. The metal also is used in galvanizing and brass manufacture and for minting pennies and metal sheets for battery cases. Zinc metal is also used for the production of pharmaceuticals.
Roasting (metallurgy) | Project Gutenberg Self-Publishing ...
Roasting is a step of the processing of certain ores.More specifically, roasting is a metallurgical process involving gas–solid reactions at elevated temperatures with the goal of purifying the metal component(s). Often before roasting, the ore has already been partially purified, e.g. by froth floatation.The concentrate is mixed with other materials to facilitate the process.
Corex Process - WikiMili, The Free Encyclopedia
Zinc smelting is the process of converting zinc concentrates into pure zinc. Zinc smelting has historically been more difficult than the smelting of other metals, e.g. iron, because in contrast, zinc has a …
Smelting Facts for Kids - Kiddle encyclopedia
Smelting is the general term for getting a metal from its natural ore. Gold is an exception, because it is usually found as a pure metal. Other metals, like iron, copper, zinc, and silver, need to be got from their ore. The process of smelting always involves heating the ore, and may also use a reducing agent like coke or charcoal.
Copper sheet metal | Article about Copper sheet metal by ...
Copper, river, c.300 mi (480 km) long, rising in the Wrangell Mts., SE Alaska, and flowing S through the Chugach Mts. to the Gulf of Alaska. Copper deposits near the upper river, long mined by natives, attracted the attention of Russians and later Americans, but exploration was difficult because of the rivers currents and the glaciers near its mouth.
Smelting | Article about smelting by The Free Dictionary
smelting, in metallurgy, any process of melting or fusion, especially to extract a metal from its ore. Smelting processes vary in detail depending on the nature of the ore and the metal involved, but they are typified in the use of the blast furnace blast furnace, structure used chiefly in smelting.