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re-treat slag

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  • 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

  • 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

  • iron processing — Introduction       use of a smelting process 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 iron and of its preparation for smelting.       Iron (Fe) is a… …   Universalium

  • tin processing — Introduction       preparation of the ore for use in various products.       Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… …   Universalium

  • cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… …   Universalium

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

  • Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… …   Wikipedia

  • Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …   Wikipedia

  • Gasification — This article is about the process. For the water carbonator, see Gasogene. For the automobile device, see Wood gas generator. Sustainable energy …   Wikipedia

  • Industrial wastewater treatment — covers the mechanisms and processes used to treat waters that have been contaminated in some way by anthropogenic industrial or commercial activities prior to its release into the environment or its re use.Most industries produce some wet waste… …   Wikipedia

  • Coal combustion products — (CCPs) (also called coal combustion wastes (CCW)) are categorized in four groups, each based on physical and chemical forms derived from coal combustion methods and emission controls: Fly ash is captured after coal combustion by filters (bag… …   Wikipedia

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