PETROLEUM BITUMEN PRODUCTION PROCESS Russian patent published in 2003 - IPC

Abstract RU 2203305 C1

FIELD: petroleum processing. SUBSTANCE: road-building bitumen is obtained from petroleum residues, which are oxidized in two steps at 90-115 C and then at 250-275 C, followed by vacuum distillation effected when viscosity of oxidized product achieves specified value. Vacuum distillate produced as by-product is suitable for use as motor fuel, marine fuel, or raw material for thermal and thermocatalytic processes. EFFECT: improved quality of target product. 11 cl, 1 tbl, 8 ex

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RU 2 203 305 C1

Authors

Strakhova N.A.

Geras'Kin V.I.

Titov I.T.

Khadykin V.G.

Dates

2003-04-27—Published

2001-11-01—Filed