Modelling of chemical reactors: From systemic approach to compartmental modelling

J Haag, C Gentric, C Lemaitre… - International Journal of …, 2018 - degruyter.com
To take into account the impact of hydrodynamics on their behavior, chemical reactors are
traditionally modeled as an association of smaller ideal reactors: perfectly stirred or plug flow …

Design modification in an industrial multistage orifice to avoid cavitation using CFD simulation

S Ahmed, A Hassan, R Zubair, S Rashid… - Journal of the Taiwan …, 2023 - Elsevier
Abstract Background Multi-stage orifices (MSOs) are used in many industries such as oil
refineries, nuclear power plants, fertilizer plants and chemical plants for pressure reduction …

CFD and statistical approach to optimize the average air velocity and air volume fraction in an inert-particles spouted-bed reactor (IPSBR) system

A Mohammad, A Mourad, AH Al-Marzouqi, MH El-Naas… - Heliyon, 2021 - cell.com
Inert-particles spouted bed reactor (IPSBR) is characterized by intense mixing generated by
the circular motion of the inert particles. The operating parameters play an important role in …

Synergistic enhancement in photocatalytic performance of Ce (IV) and Cr (III) co-substituted magnetite nanoparticles loaded on reduced graphene oxide sheets

TS Rad, A Khataee, SR Pouran - Journal of colloid and interface science, 2018 - Elsevier
Effective utilization of visible-light by a photocatalyst is of great significance in photocatalytic
processes. Herein, magnetite structure was modified by co-incorporation of Ce 4+ and Cr 3+ …

Local gas holdup simulation and validation of industrial-scale aerated bioreactors

C Witz, D Treffer, T Hardiman, J Khinast - Chemical Engineering Science, 2016 - Elsevier
To date, the efficiency of industrial-size bioreactors has mainly been improved based on
empirical knowledge. Computer simulation may help to understand the processes that occur …

Influence of different parameters on the tube-to-bed heat transfer coefficient in a gas-solid fluidized bed heat exchanger

PC Bisognin, JCSC Bastos, HF Meier, N Padoin… - … and Processing-Process …, 2020 - Elsevier
In this paper a combined use of CFD techniques and Design of Experiments is proposed in
order to study the significance of different variables on the heat transfer coefficient in a gas …

Enhanced removal of nitrate and phosphate from wastewater by Chlorella vulgaris: Multi-objective optimization and CFD simulation

MB Sabeti, MA Hejazi, A Karimi - Chinese Journal of Chemical Engineering, 2019 - Elsevier
To enhance the efficiency of wastewater biotreatment with microalgae, the effects of physical
parameters need to be investigated and optimized. In this regard, the individual and …

3D modeling and optimization of SiC deposition from CH3SiCl3/H2 in a commercial hot wall reactor

B Deivendran, VM Shinde, H Kumar, NE Prasad - Journal of Crystal Growth, 2021 - Elsevier
In this paper, the 3D modeling and optimization of a commercial hot wall vertical reactor for
SiC coating is presented to investigate the effect of various process parameters on the …

Phenol removal by HRP/GOx/ZSM-5 from aqueous solution: artificial neural network simulation and genetic algorithms optimization

M Razzaghi, A Karimi, Z Ansari… - Journal of the Taiwan …, 2018 - Elsevier
In this study, horseradish peroxidase (HRP) and glucose oxidase (GOx) were immobilized
on mesoporous ZSM-5 nanoparticles by using glutaraldehyde as cross linking agent, and …

Multi-objective optimization of stirring tank based on multiphase flow simulation

Z Yao, H Xu, J Li, T Xu - Chemical Engineering Research and Design, 2023 - Elsevier
Stirring tanks are regarded as pivotal equipment for solid-liquid suspension operations in
industrial processes such as adsorption and crystallisation, and its performance is complex …