A numerical investigation of the scale-up effects on flow, heat transfer, and kinetics processes of FCC units.

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Fluid Catalytic Cracking (FCC) technology is the most important process used by the refinery industry to convert crude oil to valuable lighter products such as gasoline. Process development is generally very time consuming especially when a small pilot unit is being scaled-up to a large commercial unit because of the lack of information to aide in the design of scaled-up units. Such information can now be obtained by analysis based on the pilot scale measurements and computer simulation that includes controlling physics of the FCC system. A Computational fluid dynamic (CFD) code, ICRKFLO, has been developed at Argonne National Laboratory ... continued below

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12 p.

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Chang, S. L. August 25, 1998.

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Fluid Catalytic Cracking (FCC) technology is the most important process used by the refinery industry to convert crude oil to valuable lighter products such as gasoline. Process development is generally very time consuming especially when a small pilot unit is being scaled-up to a large commercial unit because of the lack of information to aide in the design of scaled-up units. Such information can now be obtained by analysis based on the pilot scale measurements and computer simulation that includes controlling physics of the FCC system. A Computational fluid dynamic (CFD) code, ICRKFLO, has been developed at Argonne National Laboratory (ANL) and has been successfully applied to the simulation of catalytic petroleum cracking risers. It employs hybrid hydrodynamic-chemical kinetic coupling techniques, enabling the analysis of an FCC unit with complex chemical reaction sets containing tens or hundreds of subspecies. The code has been continuously validated based on pilot-scale experimental data. It is now being used to investigate the effects of scaled-up FCC units. Among FCC operating conditions, the feed injection conditions are found to have a strong impact on the product yields of scaled-up FCC units. The feed injection conditions appear to affect flow and heat transfer patterns and the interaction of hydrodynamics and cracking kinetics causes the product yields to change accordingly.

Physical Description

12 p.

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OSTI as DE00010932

Medium: P; Size: 12 pages

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  • 1998 International Mechanical Engineering Congress & Exposition Winter Annual Meeting of ASMEd-Particle Flow Systems Session, Anaheim, CA (US), 11/15/1998--11/20/1998

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  • Report No.: ANL/ES/CP-97069
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10932
  • Archival Resource Key: ark:/67531/metadc622037

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  • August 25, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 8:06 p.m.

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Chang, S. L. A numerical investigation of the scale-up effects on flow, heat transfer, and kinetics processes of FCC units., article, August 25, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc622037/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.