Ayman El‐Gendi

National Research Centre

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Heba Abdallah

National Research Centre

Elham El‐Zanati

National Research Centre

Runnan Zhang

Unité Matériaux et Transformations

Hong Wu

Tianjin University

Zhongyi Jiang

Tianjin University

Jinqiu Yuan

Northeast Petroleum University

Sahar S. Ali

National Research Centre

Sohair A. Sayed Ahmed

National Research Centre

Farag A. Samhan

National Research Centre

Mona A. Abdel‐Fatah

National Research Centre

Cooperative Institutions

National Research Centre

Tianjin University

National Water Research Center

Collaborative Innovation Center of Chemical Science and Engineering Tianjin

Unité Matériaux et Transformations

National University of Singapore

Cairo University

Ningbo University

Ain Shams University

Alexandria University

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Preparation of PVC/PVP composite polymer membranes via phase inversion process for water treatment purposes

Chinese Journal of Chemical Engineering (2017)

Ahmed A. Bhran Abeer M. Shoaib Doaa Elsadeq Ayman El‐Gendi Heba Abdallah

Phase inversion

Polyvinylpyrrolidone

Membrane Distillation

10.1016/j.cjche.2017.09.003

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Citations (50)

Hyperbranched polyester amide/polyethersulphone mixed matrix nanofiltration membranes for contaminant rejection

RSC Advances (2025)

Ayman El‐Gendi Mona H. Abdel Rehim

Nanofiltration (NF) separation technology is a low-pressure filtration process, which is highly efficient and environmentally friendly.

Nanofiltration

Environmentally Friendly

Filtration (mathematics)

Matrix (chemical analysis)

10.1039/d4ra08400d

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Citations (0)

The Development of Polymeric Membrane Via Casting Technology for Water Desalting

Procedia Engineering (2012)

Ayman El‐Gendi A. Deratani Sohair A. Sayed Ahmed Sahar S. Ali

Polymeric membrane

10.1016/j.proeng.2012.08.944

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Citations (2)

Economic study for blend membrane production

Bulletin of the National Research Centre/Bulletin of the National Research Center (2021)

Ayman El‐Gendi Heba Abdallah Amal Amin

Abstract Background In this work, an economic study for production reverse osmosis (RO) membrane from a blend of polyvinylchloride (PVC) with cellulose acetate (CA) was investigated. The model for predicting RO membrane performance was developed based on laboratory experimental data. The economic study was conducted to investigate the feasibility of producing blend RO polyvinylchloride/cellulose acetate (PVC/CA) membrane using a large-scale batch casting machine was developed and fabricated in workshop in the National Research Centre, Egypt. Results The cost of the prepared blend membrane using batch casting machine technique reached to 36 $/m 2 for flat sheet polymeric membrane which was cheaper than the cost of sheets of commercial RO membranes. The original capital investment will be recovered in 7.5 years with estimation of machine lifetime 25 years. Conclusions The economic study revealed that the establishing small factories to produce blend membranes using the fabricated machine is a promising and will create a reasonable profit.

Cellulose acetate

Investment casting

Capital investment

Production cost

10.1186/s42269-021-00584-0

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Citations (10)

Anionic covalent organic framework engineered high-performance polyamide membrane for divalent anions removal

Journal of Membrane Science (2022)

Guangzhe Wang Jinqiu Yuan Junhui Zhao Yafei Li Runnan Zhang

Nanofiltration

Interfacial polymerization

Divalent

Permeance

Electronegativity

10.1016/j.memsci.2022.120451

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Citations (31)

Investigation of polyvinylchloride and cellulose acetate blend membranes for desalination

Journal of Molecular Structure (2017)

Ayman El‐Gendi Heba Abdallah Ashraf Amin Sh.K. Amin

Phase inversion

Cellulose acetate

10.1016/j.molstruc.2017.05.122

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Citations (46)

Hydrophilic Coating Layer by Layer on Polyethersulfone Membranes for Desalination

Egyptian Journal of Chemistry (2020)

Ayman El‐Gendi Heba A. Mohamed Marwa Shalaby

Water Desalination is becoming an issue for saving the required potable and drinking water due to shrinkage of pure water.Thus, this work deals with antifouling membrane preparation using polymeric compounds of Polyethersulfone/ Polyvinylalcohol (PES/PVA) with nanomaterials to produce antifouling membrane for water desalination.The PES membrane has prepared by phase inversion process followed by different coating ways.The coating with PVA provided the highest hydrophilic surface.The characterization of prepared membranes was carried out using various analysis methods such as scanning electron microscopy (SEM), mechanical properties, porosity and contact angle.The pore size distribution of prepared membranes was determined using the Brunauer-Emmett-Teller (BET) method.The result showed that the best membrane performance has a coating with PVA layer, where rejection reached to 99 %, 95% and 88% as a function of concentration 500, 1500, and 3000 ppm respectively, while the permeate flux reached to 48.4 L/m2.h, 32.3 L/m2.h and 21.5 L/m2.h respectively.

Phase inversion

Biofouling

10.21608/ejchem.2020.44808.2910

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Citations (0)

Synergistic role of Ag nanoparticles and Cu nanorods dispersed on graphene on membrane desalination and biofouling

Journal of Industrial and Engineering Chemistry (2018)

Ayman El‐Gendi Farag A. Samhan N. Ismail Lara A. Nezam El-Dein

Biofouling

Bacterial Cellulose

Cellulose acetate

Membrane permeability