FIELD: technological processes.
SUBSTANCE: invention is related to oil-refining industry and may be used for refinement of diesel distillates. Invention is related to method for hydraulic treatment of diesel distillates by rectification of initial raw materials with separation into light and heavy diesel fractions. Heavy diesel fraction mixed with hydrogen-containing gas is sent to upper part of hydraulic treatment reactor and is passed through a layer of aluminium-nickel-molybdenum or aluminium-cobalt-molybdenum catalyst at high temperature and pressure with supply of cooling agent, such as light diesel fraction, which is supplied into hydraulic treatment reactor in one or several points along catalyst layer height, moreover, points of cooling agent supply are located along raw materials motion between 10 vol. % and 50 vol. % of catalyst charge.
EFFECT: invention provides for required extent of initial raw materials purification and control of temperature in reaction zone.
4 cl, 3 ex
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Authors
Dates
2010-02-10—Published
2008-09-22—Filed