METHOD FOR VACUUM FRACTIONATION OF OIL RESIDUES Russian patent published in 2022 - IPC C10G7/06 B01D3/10 

Abstract RU 2776900 C1

FIELD: petroleum industry.

SUBSTANCE: invention relates to methods for fractionation of oil residues. Described is a method for vacuum fractionation of oil residues, including vacuum distillation of heated oil residue in a complex vacuum column with supplied water vapour, wherein demineralised water is supplied to the lower part of the distillation section of the complex vacuum column instead of part of the water vapour until the temperature of vacuum residue in the bottom of the complex vacuum column is reduced to no more than 350°C.

EFFECT: intensified process of vacuum distillation of oil residue.

5 cl, 1 dwg, 1 ex

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RU 2 776 900 C1

Authors

Shuverov Vladimir Mikhajlovich

Zajnutdinov Rustam Amirovich

Ziganshin Karim Galimzyanovich

Dates

2022-07-28Published

2021-07-06Filed