Advances in modeling of fluidized-bed catalytic reactors: a comprehensive review

A Mahecha-Botero, JR Grace… - Chemical Engineering …, 2009 - Taylor & Francis
A number of fluidized-bed catalytic reactor models have been proposed during the past half-
century based on conservation equations as well as empirical relations. This article presents …

Modeling of vaporization and cracking of liquid oil injected in a gas–solid riser

SV Nayak, SL Joshi, VV Ranade - Chemical Engineering Science, 2005 - Elsevier
Vaporization and cracking of liquid oil injected in a gas–solid riser (fluid catalytic cracking
riser reactor) was computationally studied in this work. Evaporation of a single drop injected …

Modeling of fluid catalytic cracking riser reactor: a review

RK Gupta, V Kumar, VK Srivastava - International journal of chemical …, 2010 - degruyter.com
This work aims at compiling the important works on the modeling of a fluid catalytic cracking
(FCC) riser reactor. The modeling of a riser reactor is very complex due to complex …

Parametric study of adsorption column for arsenic removal on the basis of numerical simulations

S Almani, K Qureshi, KA Abro, M Abro… - Waves in Random and …, 2022 - Taylor & Francis
Arsenic infectivity is a burning issue that causes skin infections, cancers and few hazardous
impacts. This manuscript presents a computational fluid dynamic model of adsorption …

Characterization of fluidization behavior in the bottom region of CFB risers

H Zhu, J Zhu - Chemical Engineering Journal, 2008 - Elsevier
The hydrodynamic characteristics in the bottom region of circulating fluidized bed (CFB)
risers with fluid catalytic cracking (FCC) particles were studied over a wide range of …

Comparison of Eulerian–Lagrangian and Eulerian–Eulerian method for dilute gas–solid flow with side inlet

SNP Vegendla, GJ Heynderickx, GB Marin - Computers & chemical …, 2011 - Elsevier
A Eulerian–Lagrangian method is implemented to simulate turbulent two-phase gas–solid
riser flow, using a mean-field/probability density function (PDF) method. The mean-field …

Assessment of a Gas–Solid Vortex Reactor for SO2/NOx Adsorption from Flue Gas

RW Ashcraft, J Kovacevic… - Industrial & …, 2013 - ACS Publications
The feasibility of performing the SO2/NO x adsorption process in a gas–solid vortex reactor
(GSVR) is examined and compared with the more traditional riser technology. The …

Reformulating and quantifying the generalized added mass in filtered gas-solid flow models

J De Wilde - Physics of fluids, 2005 - pubs.aip.org
To account for mesoscale phenomena in coarse grid simulations, Reynolds stress terms
appearing in the filtered gas-solid flow equations have to be modeled. A generalized added …

Bubble computation, granular temperatures, and Reynolds stresses

J Jung, D Gidaspow, IK Gamwo - Chemical Engineering …, 2006 - Taylor & Francis
Bubbles were simulated in a two-dimensional fluidized bed with a constant inlet velocity
using two computer codes, the IIT code and the MFIX code. The computational results were …

Study of Pb2+ adsorption in a packed bed column of bentonite using CFD

CA da Rosa, IC Ostroski, JG Meneguin, ML Gimenes… - Applied Clay …, 2015 - Elsevier
Objectives In this study, experiments and CFD (Computational Fluid Dynamics) simulations
were conducted to investigate lead ion (Pb 2+) adsorption in bentonite. Method Experiments …