METHOD OF VANADIUM EXTRACTION FROM PETROLEUM COKE Russian patent published in 1995 - IPC

Abstract RU 2033449 C1

FIELD: chemical technology. SUBSTANCE: petroleum coke is ground up to maximal particle size 100 mcm and subjected for thermic treatment at 380-420 C at air feeding for 2-6 h. Leaching is carried out in sulfuric acid solution for 2-3 h at ratio solid:liquid = 1:3-5 at temperature 90-100 C. EFFECT: improved method of vanadium extraction. 1 tbl

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RU 2 033 449 C1

Authors

Rjumin Aleksandr Aleksandrovich[Cp]

Dates

1995-04-20—Published

1992-05-28—Filed