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In this paper, carbon nanotube supported Co-Mo catalysts for selective hydrodesulphurization (HDS) of fluid catalytic cracking (FCC) gasoline were studied, using di-isobutylene, cyclohexene, 1-octene and thiophene as model compounds to simulate FCC gasoline. The results show that the Co-Mo/CNT has very high HDS activity and HDS/hydrogenation selectivity comparing with the CO-Mo/γ-Al2O3 and Co-Mo/AC catalyst systems. The saturation ratio of cyclohexene was lower than 50%, and the saturation ratio of 1,3-di-isobutylene lower than 60% for the Co-Mo/CNT catalysts. Co/Mo atomic ratio was found to be one of the most important key factors in influencing the hydrogenation selectivity and HDS activity, and the most suitable Co/Mo atomic ratio was 0.4. Co/CNT and Mo/CNT mono-metallic catalysts showed lower HDS activity and selectivity than the Co-Mo/CNT bi-metallic catalysts.
In this paper, carbon nanotube supported Co-Mo catalysts for selective hydrodesulfurization (HDS) of fluid catalytic cracking (FCC) gasoline were studied, using di-isobutylene, cyclohexene, 1-octene and thiophene as model compounds to simulate FCC gasoline. show that the Co-Mo / CNT has very high HDS activity and HDS / hydrogenation selectivity comparing with the CO-Mo / γ-Al2O3 and Co-Mo / AC catalyst systems. The saturation ratio of cyclohexene was lower than 50%, and the The saturation ratio of 1,3-di-isobutylene lower than 60% for the Co-Mo / CNT catalysts. Co / Mo atomic ratio was found to be one of the most important key factors in influencing the hydrogenation selectivity and HDS activity, and the Most suitable Co / Mo atomic ratio was 0.4. Co / CNT and Mo / CNT mono-metallic catalysts showed lower HDS activity and selectivity than the Co-Mo / CNT bi-metallic catalysts.