Analysis of mixing efficiency in a stirred reactor using computational fluid dynamics

A Ramírez-López - Symmetry, 2024 - mdpi.com
Lead recycling is very important for reducing environmental pollution risks and damages.
Liquid lead is recovered from exhaust batteries inside stirred batch reactors; the process …

Development of an unresolved CFD–DEM model for the flow of viscous suspensions and its application to solid–liquid mixing

B Blais, M Lassaigne, C Goniva, L Fradette… - Journal of …, 2016 - Elsevier
Although viscous solid–liquid mixing plays a key role in the industry, the vast majority of the
literature on the mixing of suspensions is centered around the turbulent regime of operation …

Improved mixing of solid suspensions in stirred tanks with interface baffles: CFD simulation and experimental validation

AK Pukkella, R Vysyaraju, V Tammishetti, B Rai… - Chemical Engineering …, 2019 - Elsevier
Mixing is an important unit operation in the process industry. Ensuring homogeneity of slurry
or emulsion is critical for subsequent processing or to improve the efficacy of reactions, and …

CFD simulation and experimental analysis of solid-liquid mixing characteristics in a stirred tank with a self-similarity impeller

D Gu, Y Song, H Xu, L Wen, M Ye - Journal of the Taiwan Institute of …, 2023 - Elsevier
Background The nonlinear geometry could create a longer turbulence production region
and higher turbulence intensities compared with conventional geometry. A self-similarity …

CFD-DEM simulations of early turbulent solid–liquid mixing: Prediction of suspension curve and just-suspended speed

B Blais, O Bertrand, L Fradette, F Bertrand - … Engineering Research and …, 2017 - Elsevier
Solid–liquid mixing as a unit operation still faces considerable challenges, notably regarding
the prediction of the impeller speed required to suspend the particles (N js), the fraction of …

Using computational fluid dynamics to analyze the performance of the Maxblend impeller in solid-liquid mixing operations

P Mishra, F Ein-Mozaffari - International Journal of Multiphase Flow, 2017 - Elsevier
Solid-liquid mixing is prevalent in several industries due to its wide range of utilization in
various unit operations. The goal of this work was to examine the performance of the …

Numerical simulation of solid-liquid mixing characteristics in a stirred tank with fractal impellers

D Gu, C Cheng, Z Liu, Y Wang - Advanced Powder Technology, 2019 - Elsevier
The hydrodynamics of solid-liquid mixing process in a stirred tank with four pitched-blade
impellers, fractal 1 impellers, and fractal 2 impellers were investigated using computational …

Hydrodynamics in unbaffled liquid-solid stirred tanks with free surface studied by DEM-VOF method

Q Kang, D He, N Zhao, X Feng, J Wang - Chemical Engineering Journal, 2020 - Elsevier
DEM-VOF simulations of particle suspension dynamics in unbaffled liquid-solid stirred tanks
with free surface were performed in conjunction with RSM turbulence model. The two-way …

Analysis of solid concentration distribution in dense solid–liquid stirred tanks by electrical resistance tomography

C Carletti, G Montante, T Westerlund… - Chemical Engineering …, 2014 - Elsevier
The knowledge of the spatial solids distribution is important for predicting the performance of
various processes carried out in mechanically stirred equipment. In this work, the solid …

Modeling and simulation of the influences of particle-particle interactions on dense solid–liquid suspensions in stirred vessels

L **e, ZH Luo - Chemical Engineering Science, 2018 - Elsevier
Solid–liquid suspensions are commonly encountered in industrial production processes.
The dynamics of the solid–liquid suspension behaviors depends on both liquid–particle and …