activated carbon
pure carbon in porous form used in aquaria to adsorb dissolved organic matter, chlorine, and yellowing compounds (and hence in the latter case keeps water clear). Must be changed regularly as it clogs and can release phosphates into the water which promote algal growth

Dictionary of ichthyology. 2009.

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  • Activated carbon — Activated carbon, also called activated charcoal, activated coal or carbo activatus, is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption or chemical reactions …   Wikipedia

  • activated carbon — n. a form of highly porous carbon that can easily adsorb gases, vapors, and colloidal particles: it is made by destructive distillation of wood, peat, etc., followed by heating the resultant product to high temperatures with steam or carbon… …   English World dictionary

  • activated carbon —  Activated Carbon  Активированный уголь (карболен)   Вещество, которое получают из углеродсодержащих материалов: (древесный уголь, каменноугольный кокс, нефтяной кокс). Хороший активированный уголь получается из ореховой скорлупы (кокосовой,… …   Толковый англо-русский словарь по нанотехнологии. - М.

  • activated carbon — aktyvintosios anglys statusas T sritis fizika atitikmenys: angl. activated carbon; activated charcoal; activated coal vok. aktivierte Kohle, f rus. активированный уголь, m pranc. charbon activé, m …   Fizikos terminų žodynas

  • activated carbon — aktyvintosios anglys statusas T sritis chemija apibrėžtis Medžio anglys, turinčios didelį savitąjį paviršių. atitikmenys: angl. activated carbon; activated charcoal; active charcoal rus. активированный уголь …   Chemijos terminų aiškinamasis žodynas

  • activated carbon — noun powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons • Syn: ↑activated charcoal • Hypernyms: ↑carbon, ↑C, ↑atomic number 6 …   Useful english dictionary

  • activated carbon — noun Date: 1921 a highly adsorbent powdered or granular carbon made usually by carbonization and chemical activation and used chiefly for purifying by adsorption called also activated charcoal …   New Collegiate Dictionary

  • activated carbon — Chem. a form of carbon having very fine pores: used chiefly for adsorbing gases or solutes, as in various filter systems for purification, deodorization, and decolorization. Also called activated charcoal. [1920 25] * * * …   Universalium

  • activated carbon — noun A very absorbent form of finely powdered carbon; used in purifying gases, and as an antidote for many poisons. Syn: activated charcoal …   Wiktionary

  • activated carbon — /ˌæktəveɪtəd ˈkabən/ (say .aktuhvaytuhd kahbuhn) noun granulated charcoal heated to 800°–1000°C in a current of steam to remove hydrocarbons; highly absorbent of gases and vapours because of its enormous surface area; used in solvent recovery,… …   Australian English dictionary

  • activated carbon — A highly porous carbon which is able to absorb gases and fluids. It is usually found in small pellets so that the surface area is greater than a large chunk of it. Also it has a number of pores on each pellet to increase the surface area more.… …   Dictionary of automotive terms

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