TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The functionalizing material is gas, liquid or solid, and includes at least one of nitrogen, air, hydrogen, methane, ethane, carbon monoxide, carbon dioxide, nitrogen dioxide, ammonia, fluorine, chlorine, hydrogen fluoride, hydrogen bromide, hydrochloride, hydrogen cyanide, hydrogen sulfide, iodine, hydrogen iodide, water, methanol, ethanol, isopropyl alcohol, sulfuric acid, nitric acid, acetic acid, n-hexane, cyclohexane, heptane, toluene, benzene, acetone, N-methylpyrrolidone, tetrahydrofuran, dimethylacetamide, dimethylformamide, dimethyl sulfoxide, ethyl acetate, methyl ethyl ketone, xylene, dichlorobenzene, dichloromethane, chloroform, carbon tetrachloride, bromine, sodium hydroxide, potassium hydroxide, sodium hydride, sodium bicarbonate, sodium carbonate, potassium carbonate, sodium sulfate, sodium nitrate, sodium chloride, ammonium chloride, boron trioxide, boric acid, boron tribromide, aminobenzoic acid, chlorobenzoic acid, bromobenzoic acid, thiobenzoic acid and maleic acid. The concentration of the acid solution is 0.1-10 M.    TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: The grinding container is at least one of cone crusher, double roll crusher, disc crusher, rotary crusher, ball mill, centrifugal roller mill, ring roll mill and centrifugal ball mill.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: Preferred Method: The pulverizing is performed at 10-10000 revolutions per minute and 1-200 bars, when the functional groups imparting material is gas, and at 10-10000 revolutions per minute and 1-100 bars, when the functional groups imparting material is liquid or solid. The method comprises mixing 0.1-50 pts. wt. functionalizing material and 100 pts. wt. activated carbon. The acid solution includes at least one of nitric acid, hydrochloric acid, hydrofluoric acid, sulfuric acid and aqua regia. Preferred Components: The functional group includes alkyl, alkenyl, arene, tert-butyl, cyclohexyl, hydroxy, lactone, lactam, ether, amine, amide, amino, imide, azide, cyanate, nitrile, nitroxy, nitro, nitroso, pyridine, phosphine, phosphate group, phosphonic acid, sulfone, sulfonic acid, sulfoxide, thiol, sulfide, carbonyl, aldehyde, carboxy, carboxylic acid salt, carboxylic acid ester, haloformyl, ether, ester, peroxy, hydroperoxy, acyl halide, fluoro, chloro, bromo and/or iodo groups. The average diameter of the activated carbon powder is 50 nm to 100 mu m. EXAMPLE - 5 g Activated carbon was contacted with nitrogen at 500 revolutions per minute and 10 bars for 48 hours, washed with 1 M hydrochloric acid and freeze dried to obtain activated carbon powder doped with nitrogen.