Cobalt-ruthenium catalysts for Fischer-Tropsch synthesis and process for their preparation
 A hydrogen regenerable hydrocarbon synthesis catalyst useful for preparing higher hydrocarbons from synthesis gas is prepared by depositing cobalt and ruthenium on a refractory carrier and oxidizing and reducing the catalytic metals to form a catalyst in which the cobalt and ruthenium are in intimate contact. 
Exxon Research and Engineering Company
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Stuart L. Enrique Rocco A.
Soled Iglesia Fiato