METHOD OF CONVERTING HARD-TO-CONVERT OXYGENATES TO GASOLINE Russian patent published in 2011 - IPC C10G3/00 C07C1/04 C07C1/20 C07C1/207 C07C29/151 

FIELD: chemistry.

SUBSTANCE: invention relates to versions of a method of converting oxygenated organic compounds to hydrocarbons, one of which involves the following steps: (a) directing a feed stream of synthesis gas into a synthesis section in order to obtain easily convertible oxygenates, (b) feeding the stream from the said synthesis section containing easily convertible oxygenates into a gasoline synthesis section, (c) feeding the stream from the gasoline synthesis section into a separator and extracting from the said separator hydrocarbons which boil in the boiling point interval of the gasoline fractions, (d) mixing the stream recycled from the separator, which contains unreacted synthesis gas and volatile hydrocarbons, with the feed stream of synthesis gas from step (a), (e) feeding crude material which contains hard-to-convert oxygenates into the synthesis section at step (a), in which easily convertible oxygenates include compounds selected from a group comprising methanol, ethanol, dimethyl ether, acetone, propanol, diethyl ether, isobutanol, propionaldehyde or mixtures thereof, and in which the material containing hard-to-convert oxygenates includes compounds selected from a group comprising formaldehyde, acetaldehyde, hydroxyaldehyde, glyoxal, acetone, acetic acid, MeOAc, EtOAc, furfurol, furfuryl alcohol, phenol, anisole, pyrocatechol, guaiacol, cresol, cresolol, eugenol, naphthol or mixtures thereof.

EFFECT: longer catalyst activity cycle when producing gasoline.

8 cl, 4 dwg