Filter material, especially for use in or as a filter for gas treatment and/or gas purification, wherein the filter material comprises at least an activated carbon with reactive and/or catalytic equipment, - wherein the activated carbon is in the form of discrete activated carbon particles in spherical and/or granular form which are applied to a support material, wherein the activated carbon is fixed to and/or on the carrier material, - wherein the activated carbon has particle sizes in the range of 0.01 to 2 mm, determined by the method according to ASTM 02862-97/04 - wherein the activated carbon has a total pore volume in the range from 0.4 to 4 cm 3 /g, wherein 20% to 85% of the total pore volume of the activated carbon are formed by pores having pore diameters in the range of 2 nm to 50 nm, - wherein the activated carbon is equipped and/or furnished with at least a metal component, wherein the metal component comprises at least a metal-containing ionic liquid, wherein the metal component is at least a metal selected from the group of Cu, Ag, Au, Zn, Hg, Sn, Ce, Ti, Zr, V, Nb, Cr, Mo, W, Mn, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd and Pt, and wherein the activated carbon is brought into contact with the metal-containing ionic liquid, - wherein the ionic liquid is a compound of the general formula [Cat] n+ [An] n- where "Cat" refers to a cation and "An" refers to an anion and "n" denotes an integer equal to 1 or 2 and/or wherein the ionic liquid is a compound of the general formula [Cat 1] x y+ [An 1] y x-, where "Cat 1 " refers to a cation and "An 1 " refers to an anion, and wherein "x" and "y", independently of one another, refer to an integer in the range of 1 to 4, wherein the cation [Cat] n+ of the ionic liquid is a nitrogen-containing cation, wherein the nitrogen-containing cation is selected from the group consisting of quaternary ammonium cations, imidazolium, pyridinium, pyrazollium cations and triazinium cations, or wherein the cation [Cat] n+ of the ionic liquid is a phosphorus-containing cation in the form of a phosphonium, and wherein the anion [An] n- of the ionic liquid is an organic or inorganic anion, - wherein the activated carbon has the metal-containing ionic liquid in an amount of 1 vol.% to 70 vol.-%, based on the volume of the activated carbon, and/or wherein the amount of metal-containing ionic liquid is so adapted and/or the pore filling α is so dimensioned that 20% to 95% of the pore volume of the activated carbon is not filled with the metal-containing ionic liquid, wherein the pore filling α is calculated according to the formula [α = V IL / (V Pore · m Carrier)], where "V IL " is the volume of the ionic liquid to be used, "m Carrier " is the mass of the activated carbon to be used, and "V Pore " is the mass-based specific pore volume of the activated carbon in the formula. - wherein the activated carbon is in the form of discrete activated carbon particles in spherical and/or granular form which are applied to a support material, wherein the activated carbon is fixed to and/or on the carrier material, - wherein the activated carbon has particle sizes in the range of 0.01 to 2 mm, determined by the method according to ASTM 02862-97/04 - wherein the activated carbon has a total pore volume in the range from 0.4 to 4 cm 3 /g, wherein 20% to 85% of the total pore volume of the activated carbon are formed by pores having pore diameters in the range of 2 nm to 50 nm, - wherein the activated carbon is equipped and/or furnished with at least a metal component, wherein the metal component comprises at least a metal-containing ionic liquid, wherein the metal component is at least a metal selected from the group of Cu, Ag, Au, Zn, Hg, Sn, Ce, Ti, Zr, V, Nb, Cr, Mo, W, Mn, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd and Pt, and wherein the activated carbon is brought into contact with the metal-containing ionic liquid, - wherein the ionic liquid is a compound of the general formula [Cat] n+ [An] n- where "Cat" refers to a cation and "An" refers to an anion and "n" denotes an integer equal to 1 or 2 and/or wherein the ionic liquid is a compound of the general formula [Cat 1] x y+ [An 1] y x-, where "Cat 1 " refers to a cation and "An 1 " refers to an anion, and wherein "x" and "y", independently of one another, refer to an integer in the range of 1 to 4, wherein the cation [Cat] n+ of the ionic liquid is a nitrogen-containing cation, wherein the nitrogen-containing cation is selected from the group consisting of quaternary ammonium cations, imidazolium, pyridinium, pyrazollium cations and triazinium cations, or wherein the cation [Cat] n+ of the ionic liquid is a phosphorus-containing cation in the form of a phosphonium, and wherein the anion [An] n- of the ionic liquid is an organic or inorganic anion, - wherein the activated carbon has the metal-containing ionic liquid in an amount of 1 vol.% to 70 vol.-%, based on the volume of the activated carbon, and/or wherein the amount of metal-containing ionic liquid is so adapted and/or the pore filling α is so dimensioned that 20% to 95% of the pore volume of the activated carbon is not filled with the metal-containing ionic liquid, wherein the pore filling α is calculated according to the formula [α = V IL / (V Pore · m Carrier)], where "V IL " is the volume of the ionic liquid to be used, "m Carrier " is the mass of the activated carbon to be used, and "V Pore " is the mass-based specific pore volume of the activated carbon in the formula.