CATEGORY: CATALYSIS
Catalysis in Industry, Volume 4, Number 2
(2012), 100-104
Effect
of process conditions on the composition of products in the conventional and deep
catalytic cracking of oil fractions
V. P. Doronin
doronin@ihcp.ru
P. V. Lipin
lipin@ihcp.ru
T. P. Sorokina
Sorokina@ihcp.ru
Institute of Hydrocarbons Processing of Siberian Branch Russian Academy of
Sciences, Omsk, 644040 Russia
Abstract
Reports
a study of the effect of temperature and catalyst-to-oil ratio on the
distribution of the basic products of oil catalytic cracking on the bizeolite
and industrial LUX catalysts. The
objective was to increase the yield of light C2-C4 olefins in comparison with
that in conventional catalytic cracking.
The bizeolite catalyst contains ZSM-5 and ultrastable Y zeolites in
equivalent amounts, while the LUX catalyst contains 18 wt % of Y zeolite in the
HRE form. Test results reveal the yield
of C2-C4 olefins and gasoline in the deep catalytic cracking of hydrotreated
vacuum gasoil on the bizeolite catalyst within a range of catalyst-to-oil
ratios of 5–7 and temperatures of 540–560°C reaches 32–36 and nearly 30 wt %,
respectively. In cracking on the LUX catalyst under similar conditions, the
yield of light olefins and gasoline is 12–16 and 37–45 wt %, respectively. Authors prove that the fractions of gas
condensate and hydroc-racking residue can serve as an additional source of
hydrocarbon raw materials in the production of olefins.
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