Comprehensive modeling and CFD simulation of absorption of CO2and H2S by MEA solution in hollow fiber membrane reactors

AIChE Journal ◽  
2013 ◽  
Vol 60 (2) ◽  
pp. 657-672 ◽  
Author(s):  
Seyyed Mohammad Hossein Hashemi Amrei ◽  
Saber Memardoost ◽  
Asghar Molaei Dehkordi
1999 ◽  
Vol 3 (2) ◽  
pp. 151-155 ◽  
Author(s):  
Yuichi Yamamoto ◽  
Shunjiro Sugimoto ◽  
Xin-chun Shen ◽  
Teruyuki Nagamune ◽  
Shui-liang Yao ◽  
...  

2006 ◽  
Vol 118 (1-2) ◽  
pp. 98-103 ◽  
Author(s):  
Haihui Wang ◽  
Cristina Tablet ◽  
Thomas Schiestel ◽  
Jürgen Caro

AIChE Journal ◽  
2014 ◽  
Vol 60 (10) ◽  
pp. 3587-3595 ◽  
Author(s):  
Yanying Wei ◽  
Qing Liao ◽  
Zhong Li ◽  
Haihui Wang ◽  
Armin Feldhoff ◽  
...  

RSC Advances ◽  
2016 ◽  
Vol 6 (26) ◽  
pp. 21600-21611 ◽  
Author(s):  
Yufei Wang ◽  
Jie Wang ◽  
Hongwei Zhang ◽  
Yi Wu ◽  
Anhu Dang

The optimal aeration hole design index γ was established by CFD simulation and experimental validation for membrane filtration and cleaning.


2017 ◽  
Vol 76 (6) ◽  
pp. 1283-1299 ◽  
Author(s):  
Xingfei Guo ◽  
Yaowu Wang ◽  
Hongwei Zhang ◽  
Pengfei Li ◽  
Cong Ma

Membrane fouling has limited extensive applications for hollow fiber membranes in water treatment. Backwashing and air scouring can effectively solve this problem in the submerged outside-in hollow fiber membrane system. In this study, variation of the fouling layer on the membrane surface during backwashing and the impact of shear stress caused by air scouring on fouling removal were investigated through computational fluid dynamics (CFD) simulation. The backwashing and air scouring process were simulated using CFD and the results were verified by experimental studies. The results of experimental studies are in accordance with the simulation results. During the backwashing process, the velocity profile inside the reactor was presented, and visualization of the particle movement to illustrate the dynamic peeling process of the fouling layer on the membrane surface was also shown. The formation of uneven cleaning reveals that the upper region of the fibers has an excellent cleaning effect during backwashing. After that, the supporting role of air scouring was investigated in the study. It is concluded that the lower part and the middle region of the fibers suffer greater shear stress by analyzing the velocity contours and vectors, and the analysis results indicated that air scouring can further remove membrane fouling.


Sign in / Sign up

Export Citation Format

Share Document