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primary alumina

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  • 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

  • Alcoa — Infobox Company name = Alcoa, Inc. type = Public (nyse|AA) foundation = Pittsburgh, Pennsylvania, U.S. (1888) founder = Charles Martin Hall location = flagicon|U.S. New York, New York flagicon|U.S. Pittsburgh, Pennsylvania key people = Alain J. P …   Wikipedia

  • Rio Tinto Group — Rio Tinto Limited plc Type Public company (ASX: RIO, LSE:  …   Wikipedia

  • Mineral industry of Africa — The mineral industry of Africa is one of the largest mineral industries in the world. Africa is the second biggest continent, with 30 million km² of land, which implies large quantities of resources. For many African countries, mineral… …   Wikipedia

  • industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

  • soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …   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

  • 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

  • petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

  • United Company RUSAL — Infobox Company company name = OAO Russian Aluminium company company type = Private company slogan = The Industry of Growth foundation = 27 March 2007 location = flagicon|RUS Moscow key people = Alexander Bulygin, Chief Executive Officer num… …   Wikipedia

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