Salah S. Ibrahim
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View article: Green Cobalt nanoparticles used as a photocatalytic agent for the degradation of methylene blue dye
Green Cobalt nanoparticles used as a photocatalytic agent for the degradation of methylene blue dye Open
The nanoparticles of cobalt synthesized by adding of Pomegranate peels to cobalt nitrate salt. The cobalt nanoparticles appear rapidly with change in color. The cobalt characterized by UV Visible Absorption Spectrometer and Scanning Electr…
View article: Progress of nanomaterials incorporation into PVDF membrane distillation: characteristics enhancement, nanomaterials leaching and stability: A review
Progress of nanomaterials incorporation into PVDF membrane distillation: characteristics enhancement, nanomaterials leaching and stability: A review Open
Membrane distillation (MD) faces challenges in the form of diminished permeate flux attributed to the loss of hydrophobicity with time. Nanomaterials play an essential role in enhancing the performance of MD through membrane modification d…
View article: Influence of prolonged operation of CNM/PAC modified PVDF nanocomposite membranes in desalination via vacuum membrane distillation
Influence of prolonged operation of CNM/PAC modified PVDF nanocomposite membranes in desalination via vacuum membrane distillation Open
This study investigates the morphological and performance changes in polyvinylidedne fluoride (PVDF) membranes resulting from the incorporation of carbon nanomaterial/powder activated carbon (CNM/PAC) and subsequent chemical modification w…
View article: Influence of Silane Treatment on CNM/PAC/PVDF Properties and Performance for Water Desalination by VMD
Influence of Silane Treatment on CNM/PAC/PVDF Properties and Performance for Water Desalination by VMD Open
Vacuum membrane distillation (VMD) is a promising process for water desalination. However, it suffers some obstacles, such as fouling and wetting, due to the inadequate hydrophobicity of the membrane and high vacuum pressure on the permeat…
View article: Synthetic approaches for novel 3-heteroaryl-4-hydroxy-1-methylquinoline-2(1<i>H</i>)one: spectroscopic characterization, molecular docking and DFT investigations
Synthetic approaches for novel 3-heteroaryl-4-hydroxy-1-methylquinoline-2(1<i>H</i>)one: spectroscopic characterization, molecular docking and DFT investigations Open
Ring opening and recyclization reactions with 4-hydroxy-6-methyl-3-nitro-2 H -pyrano[3,2- c ]quinoline-2,5(6 H )-dione (1) was examined towards some carbon nucleophilic reagents.
View article: An empirical investigation and computational modeling of volatile organic compound (VOCs) elimination from aqueous solutions by means of Pervaporation
An empirical investigation and computational modeling of volatile organic compound (VOCs) elimination from aqueous solutions by means of Pervaporation Open
The present study harnessed a commercially available polydimethylsiloxane (PDMSTM4060) membrane designed for the selective separation of soluble benzene (C6H6) and toluene (C7H8) compounds from an aqueous solution employing pervaporation (…
View article: Permeation Flux Prediction of Vacuum Membrane Distillation Using Hybrid Machine Learning Techniques
Permeation Flux Prediction of Vacuum Membrane Distillation Using Hybrid Machine Learning Techniques Open
Vacuum membrane distillation (VMD) has attracted increasing interest for various applications besides seawater desalination. Experimental testing of membrane technologies such as VMD on a pilot or large scale can be laborious and costly. M…
View article: Novel sodium and potassium carbon quantum dots as forward osmosis draw solutes: Synthesis, characterization and performance testing
Novel sodium and potassium carbon quantum dots as forward osmosis draw solutes: Synthesis, characterization and performance testing Open
Novel draw solutes based on potassium- and modified sodium-functionalized carbon quantum dots (K-CQDs and Na-CQDs) were prepared for seawater desalination. The characteristics of draw solutes were determined using Fourier Transform infrare…
View article: A new PERVAPTM membrane to enhance the dehydration of isopropanol by pervaporation
A new PERVAPTM membrane to enhance the dehydration of isopropanol by pervaporation Open
The performance of a new commercial polyvinyl alcohol (PVA) membrane (PERVAPTM 4100HF) was investigated and compared with a standard membrane (PERVAPTM 4100) for the dehydration of isopropanol (isopropyl alcohol) with an azeotropic point u…
View article: A Review on the Separation of Volatile Organic Compounds from Wastewater by Pervaporation Processes
A Review on the Separation of Volatile Organic Compounds from Wastewater by Pervaporation Processes Open
The pervaporation process (PV) is one of the membrane separation methods. This process is characterized by low cost, ease of installation, no chemicals added, and work at medium temperatures. The pervaporation process is part of a chain of…
View article: Polydimethylsiloxane (PDMS) Membrane for Separation of Soluble Toluene by Pervaporation Process
Polydimethylsiloxane (PDMS) Membrane for Separation of Soluble Toluene by Pervaporation Process Open
A commercial polydimethylsiloxane (PDMS) membrane was employed to separate the soluble toluene compounds (C7H8) from an aqueous solution via the pervaporation (PV) process. The performance and the efficacy of the PDMS PV membrane were eval…
View article: Photocatalytic Degradation of Ciprofloxacin by UV Light Using N-Doped TiO2 in Suspension and Coated Forms
Photocatalytic Degradation of Ciprofloxacin by UV Light Using N-Doped TiO2 in Suspension and Coated Forms Open
The presence of organic compounds such as ciprofloxacin in untreated pharmaceutical wastewater often poses a serious health risk to human and aquatic life when discharged into water bodies. One of the most effective means of removing cipro…
View article: Separation of Soluble Benzene from an Aqueous Solution by Pervaporation Using a Commercial Polydimethylsiloxane Membrane
Separation of Soluble Benzene from an Aqueous Solution by Pervaporation Using a Commercial Polydimethylsiloxane Membrane Open
A developed polydimethylsiloxane (PDMS) membrane was used to separate soluble benzene compounds (C6H6) from an aqueous solution via a pervaporation (PV) process. This membrane was characterized by scanning electron microscopy (SEM), Fourie…
View article: Ethanol Separation from an Ethanol–Water Solution Using Vacuum Membrane Distillation
Ethanol Separation from an Ethanol–Water Solution Using Vacuum Membrane Distillation Open
The vacuum membrane distillation (VMD) process was applied to separate ethanol from a simulated ethanol–water solution using a commercial polytetrafluoroethylene (PTFE) membrane. The presence of ethanol in the ethanol–water solution with a…
View article: How far can membrane characteristic parameters bestow at the membrane distillation performance: Modeling and simulation
How far can membrane characteristic parameters bestow at the membrane distillation performance: Modeling and simulation Open
A mathematical model of simultaneous heat and mass transfer was presented to describe for the first time the effects of the variation in the characteristic parameters of the membrane during the VMD process on the permeation flux. The model…
View article: A Systematic Framework for Optimizing a Sweeping Gas Membrane Distillation (SGMD)
A Systematic Framework for Optimizing a Sweeping Gas Membrane Distillation (SGMD) Open
The present work has undertaken a meticulous glance on optimizing the performance of an SGMD configuration utilized a porous poly (vinylidene fluoride-co-hexafluoropropylene) (PVDF-co-HFP) membrane. This was carried out by conducting a sys…
View article: Experimental and Theoretical Analysis of Lead Pb2+ and Cd2+ Retention from a Single Salt Using a Hollow Fiber PES Membrane
Experimental and Theoretical Analysis of Lead Pb2+ and Cd2+ Retention from a Single Salt Using a Hollow Fiber PES Membrane Open
The present work reports the performance of three types of polyethersulfone (PES) membrane in the removal of highly polluting and toxic lead Pb2+ and cadmium Cd2+ ions from a single salt. This study investigated the effect of operating var…
View article: Highly Saline Water Desalination Using Direct Contact Membrane Distillation (DCMD): Experimental and Simulation Study
Highly Saline Water Desalination Using Direct Contact Membrane Distillation (DCMD): Experimental and Simulation Study Open
The path for water molecules transported across a membrane in real porous membranes has been considered to be a constant factor in the membrane distillation (MD) process (i.e., constant tortuosity); as such, its effect on membrane performa…
View article: Desalination of Highly Saline Water Using Direct Contact Membrane Distillation (DCMD)
Desalination of Highly Saline Water Using Direct Contact Membrane Distillation (DCMD) Open
In this work, laboratory experiments were carried out to verify direct contact membrane distillation system’s performance in highly saline water desalination. The study included the investigation of various operating conditions, like feed …
View article: A numerical study of intake valve jet flapping in a gasoline direct injection engine
A numerical study of intake valve jet flapping in a gasoline direct injection engine Open
This paper presents findings from a numerical study of intake valve jet flapping within a gasoline direct injection (GDI) engine, using a large eddy simulation (LES) turbulence modelling approach. The experimental test case and computation…
View article: A numerical study of intake valve jet flapping in a gasoline direct injection engine
A numerical study of intake valve jet flapping in a gasoline direct injection engine Open
This paper was published in the journal International Journal of Powertrains and the definitive published version is available at https://doi.org/10.1504/IJPT.2018.10011445.
View article: Base catalyzed dimerization of ω-formyl-2-hydroxyacetophenones
Base catalyzed dimerization of ω-formyl-2-hydroxyacetophenones Open
Refluxing ω-formyl-2-hydroxyacetophenones 1 in ethanol containing triethylamine as a basic catalyst produced the dimerized product identified as 2-(2-hydroxyaryl)-4H,5H-pyrano[2,3-b]chromen-5-ones 2. Meanwhile, heating ω-formyl-2-hydroxyac…
View article: Corrosion Effective of Condensed Synthetic Automotive Solution Containing Selective Organic Component Mixtures on Al-alloys
Corrosion Effective of Condensed Synthetic Automotive Solution Containing Selective Organic Component Mixtures on Al-alloys Open
This work involves studying the effect of adding some selective organic component mixture on corrosion behavior of pure Al and its alloys in condensed synthetic automotive solution (CSAS) at room temperature. This mixture indicates the inc…