activated charcoal, activated carbon
- A granular material usually produced by the roasting of cellulose base substances, such as wood or coconut shells, in the absence of air. It has an extremely porous structure and is used in water conditioning as an adsorbent for organic matter and certain dissolved gases . It is especially useful for adsorbing tracer dyes.
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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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 — 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 canister — An automotive filter in which activated carbon has been placed so that gas tank fuel vapors, which have accumulated when the vehicle is not running, are trapped in the filter. When the engine is running, hot air is forced into the filter and push … Dictionary of automotive terms
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 — 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 — /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 — (also activated charcoal) noun charcoal that has been heated or otherwise treated to increase its adsorptive power … English new terms 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