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Case history: New developments with lower catalyst-to-feed ratios for FCC units

06.01.2013  |  Levinbuk, M. ,  RAS, A.V. Topchiev Institute of Petrochemical Synthesis, Gubkin Russian State University of Oil and Gas, Moscow, RussiaMaksimov, I. ,  JSC, Gazpromneft, Moscow, RussiaKuznetsov, S. ,  JSC, Gazpromneft, Moscow, RussiaGalkin, V. V.,  Gazprom Neft, Moscow, RussiaMakhiyanov, V. ,  Gazprom Neft, Moscow, Russia

A study was conducted using a series of FCC catalysts that included reduced rare-earth content and increased zeolite Y quantity systems. The goal was to raise gasoline yield along with greater yields of olefins.

Keywords: [catalyst] [rare earth catalyst] [catalytic cracking] [FCC] [diesel] [gasoline]

At Gazpromneft’s Moscow refinery, the fluid catalytic cracking (FCC) unit had the potential to increase throughput with a catalyst-to-feed mass ratio of 4. A study was conducted using a series of FCC catalysts that included reduced rare-earth (RE) content and increased zeolite Y quantity systems. The goal of the catalyst study was to increase gasoline yield, along with greater yields of olefins (C3 and C4) from the FCC unit, as the catalyst-to-feed mass ratio was steadily reduced from 5.7 to 4.5.

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