PROCESS OF PRODUCTION OF LOW-SULFUR PETROLEUM FRACTIONS Russian patent published in 2005 - IPC

Abstract RU 2245896 C1

FIELD: petrochemical processes.

SUBSTANCE: petroleum fractions are treated at elevated hydrogen pressure and temperature in presence of catalytic systems composed catalysts endowed with functions of varying hydrocarbon composition and removing heterorganic compounds. Process is carried out on catalytic base consisting of two or more catalyst and temperature at least 300^оС, pressure at least 3.0 MPa, and hydrogen-to-feed volume ratio (nm³/m³) calculated by formula: A=B+C+D, where B is hydrogen-to-feed volume ratio for hydrogenolysis of heterorganic compounds (nm³/m³); C the same for hydrogenation of unsaturated compounds; and D the same for conversion of high-boiling hydrocarbons.

EFFECT: increased yield of light fractions with improved environmental characteristics.

9 cl, 8 tbl, 18 ex

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RU 2 245 896 C1

Authors

Smirnov V.K.

Irisova K.N.

Talisman E.L.

Babaeva I.A.

Dates

2005-02-10—Published

2003-07-14—Filed