CFD modeling of hydrodynamics and optimization of photofermentative hydrogen production by Rhodopseudomonas palustris DSM 123 in annular photobioreactor

2016 ◽  
Vol 41 (18) ◽  
pp. 7301-7317 ◽  
Author(s):  
Nitai Basak ◽  
Asim Kumar Jana ◽  
Debabrata Das
2015 ◽  
Vol 40 (41) ◽  
pp. 14246-14256 ◽  
Author(s):  
Seyed Sina Hosseini ◽  
Mortaza Aghbashlo ◽  
Meisam Tabatabaei ◽  
Ghasem Najafpour ◽  
Habibollah Younesi

Processes ◽  
2020 ◽  
Vol 8 (12) ◽  
pp. 1634
Author(s):  
Jesús Rodríguez ◽  
Ernesto Amores

Although alkaline water electrolysis (AWE) is the most widespread technology for hydrogen production by electrolysis, its electrochemical and fluid dynamic optimization has rarely been addressed simultaneously using Computational Fluid Dynamics (CFD) simulation. In this regard, a two-dimensional (2D) CFD model of an AWE cell has been developed using COMSOL® software and then experimentally validated. The model involves transport equations for both liquid and gas phases as well as equations for the electric current conservation. This multiphysics approach allows the model to simultaneously analyze the fluid dynamic and electrochemical phenomena involved in an electrolysis cell. The electrical response was evaluated in terms of polarization curve (voltage vs. current density) at different operating conditions: temperature, electrolyte conductivity, and electrode-diaphragm distance. For all cases, the model fits very well with the experimental data with an error of less than 1% for the polarization curves. Moreover, the model successfully simulates the changes on gas profiles along the cell, according to current density, electrolyte flow rate, and electrode-diaphragm distance. The combination of electrochemical and fluid dynamics studies provides comprehensive information and makes the model a promising tool for electrolysis cell design.


2011 ◽  
Vol 102 (18) ◽  
pp. 8696-8699 ◽  
Author(s):  
Xun Zhu ◽  
Xuewang Xie ◽  
Qiang Liao ◽  
Yongzhong Wang ◽  
Duujong Lee

2013 ◽  
Vol 135 ◽  
pp. 331-338 ◽  
Author(s):  
Yong-Zhong Wang ◽  
Qiang Liao ◽  
Xun Zhu ◽  
Rong Chen ◽  
Cheng-Long Guo ◽  
...  

2012 ◽  
Vol 37 (16) ◽  
pp. 11719-11726 ◽  
Author(s):  
Yongqin Jiao ◽  
Ali Navid ◽  
Benjamin J. Stewart ◽  
James B. McKinlay ◽  
Michael P. Thelen ◽  
...  

2016 ◽  
Vol 100 (6) ◽  
pp. 2917-2926 ◽  
Author(s):  
Alessandra Adessi ◽  
Margherita Concato ◽  
Andrea Sanchini ◽  
Federico Rossi ◽  
Roberto De Philippis

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