AIRCRAFT FUEL PRODUCTION PROCESS Russian patent published in 2007 - IPC C10G49/04 C10G47/12 

FIELD: petroleum processing.

SUBSTANCE: invention consists in that petroleum stock is brought into contact with hydrogen-containing gas at elevated temperature and pressure in presence of catalyst, said petroleum stock being secondary-process gas oils containing no less than 50 wt % of aromatic hydrocarbons. Process is carried out in a system of reactors with separated reaction zones filled with nickel-tungsten or nickel-molybdenum catalyst in sulfide form. At least 30 vol % of hydrogen is supplied to be mixed with petroleum stock and the rest of hydrogen is distributed in 12-21 reaction zones of reactors. Desired product recovered is fraction boiling within a boiling range 190 to 280°C. Process parameters: temperature 330-450°C, pressure 26-30 MPa, volumetric flow rate 0.3-1.0 h-1, and hydrogen-to-petroleum stock 1500-3000 nm³/m³.

EFFECT: simplified process flowsheet and improved performance characteristics of product.

2 cl, 3 ex