Rehab M. El-Maghraby
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View article: Green-engineered multifunctional antimicrobial and UV-shielding fabrics using mono- and bimetallic ionic chitosan composite nanogels
Green-engineered multifunctional antimicrobial and UV-shielding fabrics using mono- and bimetallic ionic chitosan composite nanogels Open
View article: Improving Energy Efficiency in Ammonia Production Plants Using Machine Learning
Improving Energy Efficiency in Ammonia Production Plants Using Machine Learning Open
View article: Evaluation of variable speed drives to improve energy efficiency and reduce gas emissions: Case study
Evaluation of variable speed drives to improve energy efficiency and reduce gas emissions: Case study Open
Variable speed drives are the most promising technique for reducing electric motors' energy consumption. This paper discusses energy savings by installing variable speed drives to control rotating equipment motors such as pumps, compressor…
View article: Performance of Sprayed PVDF-Al2O3 Composite Coating for Industrial and Civil Applications
Performance of Sprayed PVDF-Al2O3 Composite Coating for Industrial and Civil Applications Open
Because of their great water repellency, Superhydrophobic coatings have a major impact on a variety of industrial applications. The current study’s key originality is the development of low-cost, stable, superhydrophobic, and corrosion-res…
View article: Improving the Corrosion Resistance of Tin-bronze by Surface Modification
Improving the Corrosion Resistance of Tin-bronze by Surface Modification Open
Bronze alloys are made of copper-based materials with another metal, usually tin. Many surface modification techniques such as chemical etching, oxidation, electro deposition and sol-gel could be employed to improve surface properties. The…
View article: A Study on Catalyst Entrainment from the Ethylene Oxychlorination Fluidized Bed Reactor
A Study on Catalyst Entrainment from the Ethylene Oxychlorination Fluidized Bed Reactor Open
During the production of ethylene dichloride, the entrainment of catalyst particles out of the bed is considered a problematic issue that affects the conversion of the hydrogen dichloride and causes repeated unit shutdown.In this study the…
View article: Design and Performance Calculation using MATLAB for Multiple Effect Evaporator Desalination Process with Different Configurations
Design and Performance Calculation using MATLAB for Multiple Effect Evaporator Desalination Process with Different Configurations Open
In this study modular MATLAB program is presented, where an equation oriented programming with MatLab 2020 is used to provide friendly user-interface of the developed program.This program can be used to perform reliable design, performance…
View article: Modeling and Numerical Investigation of the Performance of Gas Diffusion Electrodes for the Electrochemical Reduction of Carbon Dioxide to Methanol
Modeling and Numerical Investigation of the Performance of Gas Diffusion Electrodes for the Electrochemical Reduction of Carbon Dioxide to Methanol Open
In this study, a model was built to investigate the role of Cu2O-/ZnO-based gas diffusion electrodes in enhancing the reduction of carbon dioxide into methanol inside an electrochemical cell. The model was simulated using COMSOL Multiphysi…
View article: Catalytic Oxychlorination Process Optimization for the Conversion of Ethylene to Ethylene Dichloride
Catalytic Oxychlorination Process Optimization for the Conversion of Ethylene to Ethylene Dichloride Open
The catalytic oxychlorination of ethylene is widely used for the production of ethylene dichloride (EDC) which is an essential step for the production of poly-vinyl chloride (PVC). However, catalyst entrainment from the fluidization reacto…
View article: Simulation of Multi-Stage Flash with Brine Circulating Desalination Plant
Simulation of Multi-Stage Flash with Brine Circulating Desalination Plant Open
Multi-stage flash (MSF) desalination is the main process to solve the problem of limited freshwater resources in the world. This work describes the developed steady-state mathematical model for analysing and evaluating the performance of M…
View article: INVESTIGATING THE EFFECT OF NMP/PHENOL SOLVENT BLEND ON LUBRICATING OIL PROPERTIES WITHOUT/WITH USING SURFACTANT.
INVESTIGATING THE EFFECT OF NMP/PHENOL SOLVENT BLEND ON LUBRICATING OIL PROPERTIES WITHOUT/WITH USING SURFACTANT. Open
In this study, solvent extraction of lubricating oil to improve its viscosity index is investigated. A blend of phenol/NMP co-solvent was tested at different feed to solvent ratio 1:1, 1:1.5 and 1:2. Different percent of phenol (25%, 50% a…
View article: Carbon Dioxide Capturing from Natural Gas using Di-glycol Amine and Piperazine – A New Solvent Mixture
Carbon Dioxide Capturing from Natural Gas using Di-glycol Amine and Piperazine – A New Solvent Mixture Open
The effect of adding Piperazine to di-glycol amine (DGA) to reduce the CO2 content in natural gas from 10% to 1% by mole was studied. Aspen HYSYS was used to simulate the process. Different concentrations of DGA (45, 50 and 55%) and Pipera…
View article: Silica nanofluid flooding for enhanced oil recovery in sandstone rocks
Silica nanofluid flooding for enhanced oil recovery in sandstone rocks Open
Enhanced oil recovery is proposed as a solution for declining oil production. One of the advanced trends in the petroleum industry is the application of nanotechnology for enhanced oil recovery. Silica nanoparticles (SiNPs) are believed to…