PROCEDURE FOR PROCESSING HEAVY HYDROCARBON STOCK Russian patent published in 2011 - IPC C10G9/16 C07C7/04 C10G9/06 

FIELD: gas-and-oil producing industry.

SUBSTANCE: invention refers to oil processing and oil chemical industry and can be implemented for processing heavy hydrocarbon stock, oil, residual oil stock, and oil concentrates extracted from oil containing waste. The procedure consists in treatment of stock of over 870 kg/m³ density, in preliminary heating and in separation into benzene-diesel fumes and a residual heavy fraction. Benzene-diesel fumes are directed to fractioning where there are extracted gaseous and liquid light products and the heavy distillate fraction. The residual heavy fraction is subjected to thermolysis; fumes of thermolysis are supplied to fractioning, while residue of thermolysis is withdrawn. The heavy distillate fraction is heated to 440-500°C, further it is divided into a steam phase and liquid residue; the latter is mixed with the residual heavy fraction preliminary heated to 380-420°C. Produced mixture is subjected to thermolysis in a multi-section reactor. The steam phase is directed to the reactor section by section for maintaining temperature of thermolysis. Pressure in the reactor is dropped section-by-section. Residue of thermolysis is withdrawn as fuel oil or bitumen stock, or pitch.

EFFECT: processing various kinds of heavy carbon stock and increased output of light products out of it without catalytic process.

1 dwg, 1 tbl, 4 ex