AIRCRAFT FUEL PRODUCTION PROCESS
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 hy...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | 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 |
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