Catalytic conversion of model alkanes and oil products

Abstract

Conversion of hexane, tetradecane and oil’s diesel fraction on multifunctional catalyst PFK – 6 at temperature
range from 300 to 4000 C ( PH2 =2МПа, V = 3 сh −1
, H2 : raw – 200:1) is studied in the present work. In the PFC-6
catalyst, the change in hexane forming octane-forming components (olefins, isoalkanes) is carried out in a soft form, it shows a
high activity of the catalyst. Gaseous light alkanes formed as a result of the process are used as raw materials for the synthesis
of domestic gas or petrochemical products. It is shown, that hydroisomerization and hydrodesulphurization activity of PFK-6
catalyst is high. Under optimal conditions winter diesel fuel with freezing temperature - 500 C is obtained, the residual content
of sulphur is 0, 002 percent which corresponds to the EN-590 international standard’s requirenments.
The catalyst shows the polyfunctional properties and isomerization of -alkanes, dehydrogenation, forming olefins and dehydrocyclization to aromatic hydrocarbons occurs at the same time. The dehydrocyclization process is confirmed by the presence
of benzene and xylene in reaction products. High availability of isoalkanes, olefins, aromatic hydrocarbons positively affects the
quality of diesel fuel, that is, reduces the pour point and fuel smoke.