Abstract:

       Hightemperature water (HTW), an environmentally friendly chemical reaction medium, has recently received attention. It is so significant for environment protection to substitute hazardous organic solvents with hightemperature water.  Unique physicochemical properties of HTW can be employed to optimize reaction process, to increase reaction efficiency and to simplify separation process. Highly efficient hydrogenation and hydrocracking of petroleum are important paths for efficient utilization of fossil resources. We survey research advances of HTW in hydrogenation and hydrocracking of heavy oil.

Key words: hightemperature water, hydrogenation, hydrocracking , coke