FIELD: oil and gas industry.
SUBSTANCE: invention relates to oil refining, in particular, to processes of obtaining from heavy oil residues sintering additive used in charge of coal coking. Method is carried out by thin-film vacuum distillation of oil refining by means of rotary film evaporator. Process is carried out at evaporation surface temperature within 250–480 °C and residual pressure within 0.2–80.0 mbar.
EFFECT: improvement of quality of oil sintering additive and expansion of range of oil residues.
1 cl, 1 dwg, 4 tbl
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Authors
Dates
2019-12-18—Published
2018-11-21—Filed