Abstract
ABSTRACTA tartaric–Co(II) complex was synthesized and then used in aquathermolysis of heavy oil as a catalyst at relatively low temperature, 180°C. The effects of water amount and catalyst concentration on aquathermolysis were investigated in this work. The crude oil before and after aquathermolysis was fully characterized, and the mechanism of viscosity reduction was discussed at last. The results show that heavy oil can undergo aquathermolysis in the present of water and the tartaric–Co(II) complex at low temperature. Besides, the catalytic aquathermolysis could not only decrease the viscosity of heavy oil, but also remove some heteroatoms, finally making the flow properties better and the quality upgraded.
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