Nickel and molybdenum vanadium recovery method from crude heavy oil refinery waste

摘要

method of recovering vanadium nickel and molybdenum from crude heavy oil refinery waste. One method of recovering vanadium, nickel and molybdenum from crude heavy oil refinery waste comprises pyrolysis and combustion of waste at temperatures up to 900 ° C to produce an ash, converting ash and an aqueous paste, and extracting salts and oxides. vanadium, nickel and molybdenum from the paste. Extraction processes for metals are described.