Testing Adsorption Properties of the NiMo/Al2O3 Catalyst of the Protective Layer during Hydrotreatment of Diesel Fuel with a High Silicon Content

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Тек жазылушылар үшін

Аннотация

Experiments with a duration of 60 and 200 hours are carried out at different contact times of 0.33, 0.66, and 1.33 hours (the specific volumetric rate is 3.0, 1.5, and 0.75 h-1, and the pressure is 4.0 MPa) during hydrotreatment of diesel fuel with a high silicon content. Experiments with a run time of 200 hours showed that the silicon concentration in the front layer of the NiMo/Al2O3 catalyst does not change as the contact time grows, indicating that the maximum capacity value of ~5 wt. % is reached. The absence of the influence of external mass transfer on the adsorption of silicon, as well as on the conversion of sulfur during testing of the catalyst in a laboratory setup, is experimentally studied and theoretically substantiated. The values of linear feed rates of raw materials are determined, showing no influence of external mass transfer on both the process of silicon adsorption and sulfur conversion.

Авторлар туралы

R. Petrov

G.K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences

Email: petrov@catalysis.ru
Novosibirsk, Russian Federation

S. Reshetnikov

G.K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russian Federation

P. Dik

G.K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russian Federation

I. Golubev

G.K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russian Federation

A. Noskov

G.K. Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russian Federation

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