METHOD FOR UPGRADING HEAVY OIL USING HEAVY METAL, CONTAINED IN HEAVY OIL, IS USED AS CATALYST

摘要

The present invention comprises the steps of (A): mixing a hydrogen donor solvent and a dispersion medium with heavy oil in a chamber to produce a mixture; (B): reacting the mixture in the chamber in a hydrogen atmosphere to produce a product; (C): separating the product into a hydrogen donating solvent, a precipitate and a solvent, respectively; and (D): reintroducing the separated hydrogen donor solvent and precipitate into the chamber, mixing with heavy oil, and performing hydrocracking; Disclosed is a lightening treatment method for ultra-heavy oil comprising a.