“…It has been reported that a mixture of the two most active catalysts, Fe and Co, have generated product streams in the FT reaction richer in olefins than expected from either Fe or Co catalysts [15][16][17][18]. Fe/Co catalyst mixtures, typically supported, have been synthesized by numerous routes [15][16][17][18][19][20]. Supports that have been used include alumina [20], silica [21], carbon [22][23][24], zirconia [25] and titania [6,7,26,27].…”