| 摘要 |
Catalyst in form of solid particles, wherein the particles
- have a specific surface area of less than 20 m 2 /g,
- comprise a transition metal compound which is selected from one of the groups 4 to 10 of the periodic table (IUPAC) or a compound of actinide or lanthanide,
- comprise a metal compound which is selected from one of the groups 1 to 3 of the periodic table (IUPAC), and
- comprise solid material, wherein the solid material
€¢ does not comprise catalytically active sites,
€¢ has a specific surface area below 500 m 2 /g, and
€¢ has a mean particle size below 100.
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