| 摘要 |
THE INVENTION CONCERNS THE PREPARATION OF A CATALYST COMPRISING A SUPPORT CONTAINING AT LEAST ONCE OXIDE OF THE ELEMENT SI, AI, TI, ZR, SN, ZN, MG OR LN (WHERE LN IS A RARE EARTH), COBALT, A[ LEAST ONE ELERNENT A SELECTED FROM THE GROUP FORMED BY RUTHENIUM, PLATINUM, PALLADIUM AND URANIUM, AND AT LEAST ONE ELEMENT B SELECTED FROM THE GROUP FORMED BY MOLYBDENUM AND TUNGSTEN, CHARACTERIZED IN THAT IT COMPRISES AT LEAST THE FOLLOWING SUCCESSIVE STEPS: (1) FORMATION OF A PRECURSOR COMPRISING AT LEAST COBALT AND AT LEAST A PORTION OF THE SUPPORT; (2) AT LEAS' PARTIAL REDUCTION OF THE PRECURSOR IN THE PRESENCE OF AT LEAST ONE REDUCING COMPOUND; AND (3) DEPOSITION OF ANY PART OF COMPOUND PRESENT IN THE CATALYST AND NOT PRESENT IN THE PRECURSOR ON THE REDUCED PRECURSOR. THE INVENTION ALSO CONCERNS [HE USE OF [HE CATALYST IN A PROCESS FOR THE SYNTHESIS OF CS+ HYDROCARBONS FROM SYNTHESIS GAS. |
