| abstract |
Catalyst in the form of a solid particle, wherein the particle (a) has a specific surface area of less than 20 m2 / g, (b) comprises a transition metal compound, where the metal is selected from one of the groups 4 to 10 of the periodic table (IUPAC), or an actinide or lanthanide compound, (c) comprises a metal compound, where the metal is selected from one of the groups 1 to 3 of the periodic table (IUPAC ), and (d) comprises solid material, wherein the solid material (I) does not comprise catalytically active sites, (II) has a specific surface area of less than 500 m2 / g, and (III) has an average particle size of less than 200 nm |