Gas-solids separation model of a novel FCC riser terminator device: super short quick separator (SSQS)

2008, Volume 2, Issue 4

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Frontiers of Chemical Science and Engineering >> 2008, Volume 2, Issue 4 doi: 10.1007/s11705-008-0068-2

Gas-solids separation model of a novel FCC riser terminator device: super short quick separator (SSQS)

1.States Key Laboratory of Heavy Oil Processing, China University of Petroleum (Beijing); 2.Coal to Oil & Chemicals Department, Shenhua Group Co. Ltd;

Available online: 2008-12-05

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Abstract

The gas flow field and the separation efficiency of a novel fluid catalytic cracking (FCC) riser terminal device, named as Super Short Quick Separator (SSQS), were studied. On the basis of above investigations, a section-lateral-mixing separation model was proposed, which included both the effect of inertia and structure of gas outlet on particles capture. After final modification, the results predicted with this model could be in good agreement with the cold experimental data. According to this model, the separation efficiency of SSQS is mainly influenced by the difference between the arc radius and the center pipe radius as well as the magnitude of particle tangential velocity.

Keywords

catalytic cracking ; separation efficiency ; tangential velocity ; agreement ; magnitude

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