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Novel cobalt Fischer-Tropsch synthesis (FTS) catalysts were prepared from natural halloysite nanotubes (HNT) by double-solvent and wetimpregnation methods,and characterized by TEM,XRD,TPR and N2 adsorption-desorption.Comparing with the catalyst prepared by wetimpregnation method,the catalyst prepared by double-solvent method reduces Co3O4 particle migration and agglomeration due to size-induced effect,thus showing higher catalytic activity for Fischer-Tropsch synthesis.