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Dive into the research topics where Mohamed Al-Marzouqi is active.

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Featured researches published by Mohamed Al-Marzouqi.


Chemical Engineering Science | 2002

Analytical Solution for facilitated transport across a membrane

Mohamed Al-Marzouqi; Kees Hogendoorn; Geert Versteeg

An analytical expression for the facilitation factor of component A across a liquid membrane is derived in case of an instantaneous reaction A(g)+B(l)AB(l) inside the liquid membrane. The present expression has been derived based on the analytical results of Olander (A.I.Ch.E. J. 6(2) (1960) 233) obtained for the enhancement factor for G–L systems with bulk. The analytical expression for the facilitation factor allows for arbitrary diffusivities of all species involved and does not contain any simplification or approximations. The facilitation factor starts from the value of unity, goes through a maximum and then reduces back to unity as the equilibrium constant is increased. The maximum facilitation factor occurs at higher values of the equilibrium constant as the ratio of the permeate-complex over carrier diffusivity is reduced whereas the maximum facilitation factor occurs at the same value of the equilibrium constant for all values of DA/DB (ratio of the permeate over carrier diffusivity). A similar behavior is seen for the flux of A as a function of the equilibrium constant. The facilitation factor remains constant with changes in the film thickness whereas the flux of A reduces with an increase in the thickness of the film. A linear increase of the facilitation factor and flux of A are seen with increasing initial carrier concentration.


Journal of Chemical Engineering & Process Technology | 2012

Effect of Non-Solvent Additive on Effectiveness of Polyvinylidene Fluoride Membrane Fabricated With Thermal Induced Phase Separation Method for Carbon Dioxide Absorption

Nayef Ghasem; Mohamed Al-Marzouqi

In the present work porous poly (vinylidene fluoride) (PVDF) hollow fiber membranes were fabricated via thermally induced phase separation (TIPS) method for the application in gas-liquid membrane contactor. For this purpose long air gap distance was used (90 mm). Scanning electron microscopy (SEM) was used for membrane characterization. Gas permeation test was performed using carbon dioxide as test gas. It was observed that the effective surface porosity and membrane pore size increased with increased glycerol concentration. CO2 absorption using the fabricated hollow fiber membranes were measured in a gas-liquid hollow fiber membrane contactor. The results of the CO2 absorption rate of the tested fibers revealed that complete removal of CO2 was achieved using 7% glycerol added to the casted solution at normal operating conditions for equal gas to liquid volumetric flow rates using sodium hydroxide as absorbent liquid.


Separation and Purification Technology | 2008

Modeling of CO2 absorption in membrane contactors

Mohamed Al-Marzouqi; Muftah H. El-Naas; Sayed A.M. Marzouk; Mohamed A. Al-Zarooni; Nadia Abdullatif; Rami Faiz


Journal of Membrane Science | 2009

Mathematical modeling for the simultaneous absorption of CO2 and H2S using MEA in hollow fiber membrane contactors

Rami Faiz; Mohamed Al-Marzouqi


Separation and Purification Technology | 2009

CO2 absorption by using PVDF hollow fiber membrane contactors with various membrane structures

Saeid Rajabzadeh; Shinya Yoshimoto; Masaaki Teramoto; Mohamed Al-Marzouqi; Hideto Matsuyama


Separation and Purification Technology | 2008

Modeling of chemical absorption of CO2 in membrane contactors

Mohamed Al-Marzouqi; Muftah H. El-Naas; Sayed A.M. Marzouk; Nadia Abdullatif


Journal of Membrane Science | 2010

Removal of carbon dioxide from pressurized CO2–CH4 gas mixture using hollow fiber membrane contactors

Sayed A.M. Marzouk; Mohamed Al-Marzouqi; Muftah H. El-Naas; Nadia Abdullatif; Zahoor M. Ismail


Separation and Purification Technology | 2011

Insights on natural gas purification: Simultaneous absorption of CO2 and H2S using membrane contactors

Rami Faiz; Mohamed Al-Marzouqi


Journal of Membrane Science | 2010

Evaluation of the removal of CO2 using membrane contactors: Membrane wettability

Muftah H. El-Naas; Mohamed Al-Marzouqi; Sayed A.M. Marzouk; Nadia Abdullatif


Separation and Purification Technology | 2012

Effect of PVDF concentration on the morphology and performance of hollow fiber membrane employed as gas–liquid membrane contactor for CO2 absorption

Nayef Ghasem; Mohamed Al-Marzouqi; Ali Duidar

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Nayef Ghasem

United Arab Emirates University

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Sayed A.M. Marzouk

United Arab Emirates University

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Nadia Abdullatif

United Arab Emirates University

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Nihmiya Abdul Rahim

United Arab Emirates University

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Zahoor M. Ismail

United Arab Emirates University

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Rami Faiz

United Arab Emirates University

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Rami Faiz

United Arab Emirates University

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Masaaki Teramoto

Kyoto Institute of Technology

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Basim Abu-Jdayil

United Arab Emirates University

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