Predictive Modeling of the Fluid Catalytic Cracking (FCC) Process

Chang, Ai‐Fu; Pashikanti, Kiran; Liu, Y. A.

doi:10.1002/9783527666836.ch4

Refinery Engineering 2012

DOI: 10.1002/9783527666836.ch4

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Predictive Modeling of the Fluid Catalytic Cracking (FCC) Process

Ai‐Fu Chang

Kiran Pashikanti

Y. A. Liu

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2019

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Energy-minimization multiscale based mesoscale modeling and applications in gas-fluidized catalytic reactors

Yan

Chen

et al. 2019

Reviews in Chemical Engineering

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Abstract Gas-solid fluidization is intrinsically dynamic and manifests mesoscale structures spanning a wide range of length and timescales. When involved with reactions, more complex phenomena emerge and thus pose bigger challenges for modeling. As the mesoscale is critical to understand multiphase reactive flows, which the conventional two-fluid model without mesoscale modeling may be inadequate to resolve even using extremely fine grids, this review attempts to demonstrate that the energy-minimization multiscale (EMMS) model could be a starting point to develop such mesoscale modeling. Then, the EMMS-based mesoscale modeling with emphasis on formulation of drag coefficients for different fluidization regimes, modification of mass transfer coefficient, and other extensions are discussed in an attempt to resolve the emerging challenges. Its applications with examples of development of novel fluid catalytic cracking and methanol-to-olefins processes prove that the mesoscale modeling plays a remarkable role in improving the predictions in hydrodynamic behaviors and overall reaction rate. However, the product content primarily depends on the chemical kinetic model itself, suggesting the necessity of an effective coupling between chemical kinetics and flow characteristics. The mesoscale modeling can be believed to accelerate the traditional experimental-based scale-up process with much lower cost in the future.

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Energy-minimization multiscale based mesoscale modeling and applications in gas-fluidized catalytic reactors

Yan

Chen

et al. 2019

Reviews in Chemical Engineering

View full text Add to dashboard Cite

show abstract

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Predictive Modeling of the Fluid Catalytic Cracking (FCC) Process

Cited by 1 publication

References 47 publications

Energy-minimization multiscale based mesoscale modeling and applications in gas-fluidized catalytic reactors

Energy-minimization multiscale based mesoscale modeling and applications in gas-fluidized catalytic reactors

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