blister refining

См. также в других словарях:

• blister copper — /ˈblɪstə kɒpə/ (say blistuh kopuh) noun an impure intermediate product in the refining of copper, produced by blowing copper matter into a converter. Large blisters form on the cast surface during the liberation of SO2 and other gases …  

• blistercopper — blister copper n. An almost pure copper produced in an intermediate stage of copper refining.   [From its blistered appearance.] * * * …   Universalium

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• Copper extraction techniques — This article is about historical production methods. For modern methods, see Flash smelting. The Chino open pit copper mine in New Mexico …   Wikipedia

• copper processing — Introduction  use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …   Universalium

• Crucible steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …   Wikipedia

• CUIVRE — Parce qu’il existe, comme l’or et l’argent, à l’état natif, le cuivre est l’un des métaux les plus anciennement connus. Des objets de cuivre datant du neuvième millénaire avant J. C. ont été mis au jour en Irak. Sa métallurgie semble dater du… …   Encyclopédie Universelle

• silver processing — Introduction       preparation of the ore for use in various products.       Silver has long been valued for its white metallic lustre, its ability to be readily worked, and its resistance to the corrosive effects of moisture and oxygen. The… …   Universalium

• Technological and industrial history of the United States — The technological and industrial history of the United States describes the United States emergence as one of the largest nations in the world as well as the most technologically powerful nation in the world. The availability of land and labor,… …   Wikipedia

• Codelco — Type Government owned Industry Mining Founded (1955) Headquarters …   Wikipedia