The TOF was 0.085 s−1 with our catalyst which is similar with the TOF of 0.09–0.05 s−1 calculated by Gnanamani [28] for silica supported cobalt catalyst with larger metal particles tested in slurry reactor (T = 220◦C, GHSV = 3000 cm3h−1g−1cat,P = 19.9 bar, H2/CO = 2).