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alumina activated

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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

  • Activated alumina — is manufactured from aluminium hydroxide by dehydroxylating it in a way that produces a highly porous material; this material can have a surface area significantly over 200 square metres/g. The compound is used as a desiccant (to keep things dry… …   Wikipedia

  • activated alumina — aliumogelis statusas T sritis chemija apibrėžtis Specialiai paruoštas amorfinis Al₂O₃, naudojamas adsorbcijai. atitikmenys: angl. activated alumina; alumina gel rus. алюмогель; гель глинозема …   Chemijos terminų aiškinamasis žodynas

  • activated alumina — noun : a porous highly adsorptive alumina made usually by heating alumina hydrates and used chiefly in drying gases and liquids * * * Chem. alumina in the form of granules having many fine pores, used to adsorb water and various gases …   Useful english dictionary

  • alumina gel — aliumogelis statusas T sritis chemija apibrėžtis Specialiai paruoštas amorfinis Al₂O₃, naudojamas adsorbcijai. atitikmenys: angl. activated alumina; alumina gel rus. алюмогель; гель глинозема …   Chemijos terminų aiškinamasis žodynas

  • activated alumina — Chem. alumina in the form of granules having many fine pores, used to adsorb water and various gases. * * * …   Universalium

  • activated alumina — chemical which is a form of aluminum oxide. it is used as a drier or desiccant …   Dictionary of automotive terms

  • 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

  • optical ceramics — Introduction       advanced industrial materials developed for use in optical applications.       Optical materials derive their utility from their response to infrared, optical, and ultraviolet light. The most obvious optical materials are… …   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

  • Ceramography — is the art and science of preparation, examination and evaluation of ceramic microstructures.[1] Ceramography can be thought of as the metallography of ceramics. The microstructure is the structure level of approximately 0.1 to 100 µm, between… …   Wikipedia

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