| 简介 |
The invention relates to catalytically-active activated carbons and to a method for producing the latter. To obtain the activated carbons, a compressible mass is produced from ground material containing carbon, from a binding agent and from at least one doping reagent, said mass being compressed, dried, carbonised and subsequently activated using an activation gas. A metal salt, the metal of which is selected from the metals in the main groups 3 to 6, from the transition metals, rare-earth metals and the semi-metals and/or an iodide of the alkaline metals or alkaline-earth metals, is used as the doping reagent. The invention also relates to the use of activated carbons doped with metal ions for removing unwanted substances such as pollutants or toxic substances, in particular for removing H2S. The aforementioned substances, alkaline metals or alkaline-earth metals of formula M2p(EOq)r, (where E represents an element from the main groups 3 to 7 and p, q and r are whole numbers ≥ 1), are possible doping reagents. |
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