Abstract
The hydrofining of coker gas oil (CGO) was investigated on catalyst RN-2 in a micro hydrogenation apparatus. High reaction temperature favors the desulfurization and denitrogenation for the hydrofining of CGO, but it disfavors the yield of total liquids. Desulfurization degree, denitrogenation degree, and the total yield of liquid products increase with the enhancement of reaction pressure. As the hydrogen-to-oil ratio increases, the desulfurization degree increases, and the denitrogenation degree shows a maximum at a hydrogen-to-oil ratio of 800. Catalytic cracking of CGO, hydrofined CGO, and vacuum gas oil (VGO) on catalyst LMC-500 was investigated in a pilot-scale fluid catalytic cracking (FCC) unit. The catalytic cracking performance of hydrofined CGO is better than that of CGO.
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