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1 2008

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Modyfikowane węgle aktywne : otrzymywanie oraz perspektywiczne kierunki ich wykorzystania

Nowicki P., Wachowska H.

Wiadomości Chemiczne

2008

[Z] 62, 11-12

999-1016

The attractive properties of active carbons are determined by the well-developed surface area and the type, number and mode of bonding of different heteroatoms (oxygen, sulphur, nitrogen, boron, phosphorus, chlorine) with the carbon surface [3-16]. Recently, much attention has been devoted to oxygen and/or nitrogen-enriched active carbons because of a wide gamut of their applications: for adsorption of compounds of acidic character such as SO2, H2S, NOx, CO2 from the gas phase [77-90] or for adsorption of metal ions [96-100]. Modified active carbons are also very effective in removal of many organic compounds, such as aromatic and aliphatic amines or phenol and its derivatives [101-107]. Of particular importance is the application of these carbons for production of electrodes in electrochemical capacitors in order to increase their capacity [21, 61, 117-121]. This article presents a survey of literature devoted to methods of synthesis and application of modified active carbons. A special emphasis was placed on the method of preparation nitrogen-enriched active carbons.