alumina grade A

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• alumina — /euh looh meuh neuh/, n. the natural or synthetic oxide of aluminum, Al2O3, occurring in nature in a pure crystal form as corundum. Also called aluminum oxide. [1780 90; < L alumin , s. of alumen ALUM1 + A4] * * * ▪ chemical compound… …   Universalium

• List of alumina refineries — This is a list of alumina refineries in the world. The list is incomplete and missing some data.melter grade alumina refineriespecialty alumina plantsExternal linksReferences * Alcan, (2006). An Evolving Alcan: Alcan Facts 2006 , Canada: Alcan. * …   Wikipedia

• aluminum processing — Introduction       preparation of the ore for use in various products.       Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …   Universalium

• Mining industry of Ghana — accounts for 5% of the country s GDP and minerals make up 37% of total exports, of which gold contributes over 90% of the total mineral exports. Thus, the main focus of Ghana s mining and minerals development industry remains focused on gold.… …   Wikipedia

• Mining in Ghana — Ghana s economy depends largely on exports of cocoa and gold. Other mineral commodities produced in the country were aluminum, bauxite, diamond, manganese, natural gas, petroleum, salt, and silver.Economic impactThe contribution of Ghana’s mining …   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

• Mineral industry of Russia — Russia is one of the world’s leading mineral producing countries and accounts for a large percentage of the CIS’s production of a range of mineral products, including metals, industrial minerals, and mineral fuels. In 2005, Russia ranked among… …   Wikipedia

• Mining industry of Russia — The mineral industry of Russia is one of the world s leading mineral industries and accounts for a large percentage of the Commonwealth of Independent States production of a range of mineral products, including metals, industrial minerals, and… …   Wikipedia

• Rio Tinto Alcan — Infobox Company company name = Rio Tinto Alcan Inc. company company type = Subsidiary of Rio Tinto PLC(LSE: [http://www.londonstockexchange.com/en gb/pricesnews/prices/system/detailedprices.htm?sym=GB0007188757GBGBXSET10718875RIO RIO] )… …   Wikipedia

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

• Guinea — Infobox Country native name = République de Guinée conventional long name = Republic of Guinea common name = Guinea national motto = Travail, Justice, Solidarité spaces|2(French) Work, Justice, Solidarity national anthem = la Liberté… …   Wikipedia