Abstract

Co-hydrogenation of coking residual (CR) and coal tar (CT) is an important idea to expand the field of petroleum processing technology. A low crystallinity molybdenum disulfide catalyst was synthesized by the two-step hydrothermal method and applied to CT/CR co-hydrogenation. The co-hydrogenation can increase the yield of light fuel while decreasing gas, and coke yields. In addition, the co-hydrogenation will result in a significant increase of polycyclic aromatic hydrocarbons (PAHs), a significant decrease of alkanes and monocyclic aromatic hydrocarbons (MAH), and a favorable naphthalene generation in the products. This provides a new idea to produce chemicals from poor-quality oils.

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