Browsing by Author "Adham S."
Now showing items 1-20 of 22
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A systematic approach for design and simulation of monoethylene glycol (MEG) recovery in oil and gas industry
( John Wiley and Sons Ltd , 2020 , Article)Monoethylene glycol (MEG) is a widely used hydrate inhibitor in the oil and gas industry to reduce the risk of hydrate formation in pipelines that could cause a blockage. For flow assurance and hydrate inhibition purposes, ... -
Adsorption of organic pollutants by natural and modified clays: A comprehensive review
( Elsevier B.V. , 2019 , Article Review)Adsorption process has been widely used for treatment of wastewaters due to its simplicity and lower costs as compared to other traditional technologies. Among the alternative sorbent materials, the use of abundantly ... -
An empirical determination of the whole-life cost of FO-based open-loop wastewater reclamation technologies
( Elsevier Ltd , 2019 , Article)Over the past 5–10 years it has become apparent that the significant energy benefit provided by forward osmosis (FO) for desalination arises only when direct recovery of the permeate product from the solution used to ... -
Design, optimization and economic analysis of a monoethylene glycol recovery process: salt precipitation and vacuum operation
( John Wiley and Sons Ltd , 2020 , Article)In the present study, the energy requirements, performance and economic feasibility of monoethylene glycol (MEG) recovery process (MEG-R-P) were establish based on Aspen Plus simulation. The simulation was carried out in ... -
Designing carbon nanotube-based oil absorbing membranes from gamma irradiated and electrospun polystyrene nanocomposites
( MDPI AG , 2019 , Article)Carbon-based materials are outstanding candidates for oil spill clean-ups due to their superhydrophobicity, high surface area, chemical inertness, low density, recyclability, and selectivity. The current work deals with ... -
Designing Flexible and Porous Fibrous Membranes for Oil Water Separation-A Review of Recent Developments
( Bellwether Publishing, Ltd. , 2020 , Article Review)Oil sorbent membranes are highly effective materials in combating oil spills. Recent technological advancements in membrane preparations permit higher oil-sorption efficiency and easier oil recoverability. This review ... -
Humidification-Dehumidification (HDH) Desalination and Other Volume Reduction Techniques for Produced Water Treatment
( MDPI , 2022 , Article)Volume reduction has been suggested as a novel method to tackle the various challenges associated with produced water. The present solution offers an economical and environmentally friendly solution to treat a large bulk ... -
In situ synthesized amphiphilic polysulfone-poly(ethylene-glycol) block copolymer/silver nanocomposite for separating oil/water emulsion
( John Wiley and Sons Inc , 2022 , Article)This work reports the synthesis of silver nanoparticles from the precursors, silver nitrate and sodium bromide, and the in situ synthesis of polysulfone (PSf)-poly(ethylene-glycol) (PEG) block copolymer (BCP) in the presence ... -
Industrial case studies in the petrochemical and gas industry in Qatar for the utilization of industrial waste heat for the production of fresh water by membrane desalination
( Taylor and Francis Inc. , 2013 , Article)An investigation into the potential of using industrial low-grade waste heat in desalination using membrane distillation (MD) has been carried out. This investigation highlighted the need to work on fresh water production ... -
Investigation of thin-film composite hollow fiber forward osmosis membrane for osmotic concentration: A pilot-scale study
( Springer , 2022 , Article)The current study applied the forward osmosis (FO) based osmotic concentration (OC) process at the pilot-scale for concentrating synthetic feed solution (FS). The process water (PW) salinity represents effluents from the ... -
Materials and technologies for the tertiary treatment of produced water contaminated by oil impurities through nonfibrous deep-bed media: A review
( MDPI AG , 2020 , Article)This review covers various aspects of the treatment of emulsified oil/water mixtures and is particularly focused on tertiary treatment, which means the reduction of the oil content from 70-100 ppm to below 10 ppm, depending ... -
Mesoporous silica filled smart super oleophilic fibers of triblock copolymer nanocomposites for oil absorption applications
( Springer Nature , 2020 , Article)Super oleophilic fibers of styrene-isoprene-styrene (SIS) block copolymer/mesoporous silica (MS) nanocomposites are fabricated by electrospinning, and their oil absorption efficiency is monitored by following two different ... -
Multifunctional Oil Absorption with Macroporous Polystyrene Fibers Incorporating Silver-Doped ZnO
( American Chemical Society , 2021 , Article)Hydrophobic microporous polystyrene (PS) fibers are fabricated by a solvent-induced phase-separation-assisted electrospinning method. Zinc oxide (ZnO) and silver-doped zinc oxide (Ag-ZnO) nanomaterials with variable ... -
Osmotic pressure estimation using the Pitzer equation for forward osmosis modelling
( Taylor and Francis Ltd. , 2020 , Article)Forward osmosis (FO) has received widespread recognition in the past decade due to its potential low energy production of water. This study presents a new model analysis for predicting the water flux in FO systems when ... -
Polymeric adsorbents for oil removal from water
( Elsevier Ltd , 2019 , Article)In this study, the application of four synthetic resins for the removal of emulsified oil from produced water was investigated. Key experimental parameters such as adsorbent dosage, contact time, initial oil concentration ... -
Protocol for Preparing Synthetic Solutions Mimicking Produced Water from Oil and Gas Operations
( American Chemical Society , 2021 , Article)Produced water (PW) is the water associated with hydrocarbons during the extraction of oil and gas (O&G) from either conventional or unconventional resources. Existing efforts to enhance PW management systems include the ... -
Some theoretical aspects of tertiary treatment of water/oil emulsions by adsorption and coalescence mechanisms: A review
( MDPI AG , 2021 , Article Review)The massive increase in the volumes of oily contaminated produced waters associated with various industrial sectors has initiated considerable technological and scientific efforts related to the development of new cleaning ... -
The separation of emulsified water/oil mixtures through adsorption on plasma-treated polyethylene powder
( MDPI AG , 2021 , Article)This paper addresses the preparation and characterization of efficient adsorbents for tertiary treatment (oil content below 100 ppm) of oil/water emulsions. Powdered low-density polyethylene (LDPE) was modified by ... -
Thin-film composite hollow fiber membranes incorporated with graphene oxide in polyethersulfone support layers for enhanced osmotic power density
( Elsevier B.V. , 2019 , Article)This study focused on the development of pressure retarded osmosis (PRO) thin film composite (TFC) membranes for enhanced osmotic power using hollow fiber polyethersulfone (PES) support structure modified by incorporating ... -
Validation and application of a membrane filtration evaluation protocol for oil-water separation
( Elsevier Ltd , 2021 , Article)Membrane filtration processes like microfiltration (MF) and ultrafiltration (UF) are proven to be effective in industrial wastewater treatment, including oil-water separation, as they generate suitable quality permeate for ...
