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The Bottom-blown Oxygen Converter or BBOC is a smelting furnace developed by the staff at Britannia Refined Metals Limited (“BRM”), a British subsidiary of MIM Holdings Limited (which is now part of the Glencore group of companies). The furnace is currently marketed by Glencore Technology.
Chillagoe Smelting Works, circa 1906. Six furnaces were blown in on 13 October 1902, but did not run freely, treating only 8,129 long tons (8,259 t) of ore for 5 ounces (140 g) of gold, 367 long tons (373 t) of copper, 15,721 ounces (445,700 g) of silver, valued at £23,792, and the works were shut down for reconstruction of the company. A ...
A metallurgical furnace, often simply referred to as a furnace when the context is known, is an industrial furnace used to heat, melt, or otherwise process metals. Furnaces have been a central piece of equipment throughout the history of metallurgy ; processing metals with heat is even its own engineering specialty known as pyrometallurgy .
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.
The existing electric furnace was converted from smelting duties to a slag cleaning furnace and providing matte surge capacity for the converters. [8] The ISASMELT furnace was commissioned on 11 June 1992 and in 2002 treated over 700,000 t/y of concentrate. [39] The modernisation of the Miami smelter cost an estimated US$95 million. [27]
Electric phosphate smelting furnace in a TVA chemical plant (1942) Smelting is a process of applying heat and a chemical reducing agent to an ore to extract a desired base metal product. [1] It is a form of extractive metallurgy that is used to obtain many metals such as iron, copper, silver, tin, lead and zinc.
Mining operations spanned 1866 to 1957, producing high grade silver, lead, and zinc ore; and, more rarely, gold ore and copper ore. [1] 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.
Flash smelting (Finnish: Liekkisulatus, literally "flame-smelting") is a smelting process for sulfur-containing ores [1] including chalcopyrite. The process was developed by Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore. [2] [3] It has also been adapted for nickel and lead production. [2]
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