Gas Processing Center: Recent submissions
Now showing items 81-100 of 507
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Adsorption of Congo Red Dye Using Activated Carbon-Fe3O4 Composite
( Qatar University Press , 2023 , Conference)Activated Carbon-Fe3O4 composites were synthesized using co-precipitation method and used in batch experiments to adsorb Congo red dyes. The effect of adsorbent dosage, temperature and initial dye concentration was ... -
Synthesis of iron oxide nanoparticles to enhance polysulfone ultrafiltration membrane performance for salt rejection
( Italian Association of Chemical Engineering - AIDIC , 2017 , Article)The main target of membrane technologies is to provide better filtration and separation of organic and inorganic substance from water as well as for longer life of the membrane. Iron oxide (α-Fe2O3) nanoparticles (NPs) ... -
Simultaneous removal of Congo red and cadmium (II) from aqueous solutions using graphene oxide–silica composite as a multifunctional adsorbent
( Chinese Academy of Sciences , 2020 , Article)Graphene oxide is a very high capacity adsorbent due to its functional groups and π−π interactions with other compounds. Adsorption capacity of graphene oxide, however, can be further enhanced by having synergistic effects ... -
Synthesis and characterization of Sm3+-doped ZnO nanoparticles via a sol–gel method and their photocatalytic application
( Springer New York LLC , 2018 , Article)Abstract: Spherical ZnO nanoparticles doped by samarium ions were successfully synthesized via a simple sol–gel method. The structures, morphologies, optical properties and surface areas were investigated for all samples ... -
Microwave-assisted conversion of palm kernel shell biomass waste to photoluminescent carbon dots
( scientific reports , 2020 , Article)In the present work, palm kernel shell (PKS) biomass waste has been used as a low-cost and easily available precursor to prepare carbon dots (CDs) via microwave irradiation method. The impacts of the reacting medium: water ... -
Influence of graphite feedstock on the characteristics of silver-decorated graphene oxide and antimicrobial property
( Chulalognkorn University , 2021 , Article)Graphite from different sources has significant influence on the properties of graphene oxide (GO) and reactivity of GO towards further modification with other nanoparticles. However, such effect has not yet been properly ... -
Nanocomposite material-based catalyst, adsorbent, and membranes for petroleum wastewater treatment
( Elsevier , 2022 , Book chapter)The advent of nanotechnology has provided an interesting approach in terms of the application of nanocomposite materials in different sectors of water and wastewater treatment. Various works have demonstrated the significant ... -
Synergistic effect of Cu2+ in Fe2+/H2O2 reaction system to enhance oxytetracycline degradation in polluted water
( Institute for Ionics , 2023 , Article)The higher production of HO· concentration associated with the presence of a Cu2+ co-catalyst in a Fe2+/H2O2 system is reported. The synergistic effect of the co-catalyst was investigated to evaluate the possibility of ... -
Synthesis of Fe3O4 Nanoparticles with Different Shapes Through a Co-Precipitation Method and Their Application
( Springer , 2022 , Article)Magnetic Fe3O4 nanoparticles (NPs) were successfully synthesized via co-precipitation method using ferric chloride and ferrous sulphate as the starting materials. The shape and the size of Fe3O4 NPs were controlled by using ... -
The emergence of multifunctional adsorbents and their role in environmental remediation
( Elsevier Ltd , 2021 , Article)Water pollution is a growing issue which requires various treatment technologies for efficient and effective remediation. Adsorption is one of the dominant wastewater treatment technologies due to its flexible operation ... -
Optimizing and control of effective synthesize parameters for Fe3O4 nanoparticles using response surface methodology
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)To control Fe3O4 nanoparticles (Fe3O4 NPs) size, different molar ratio of Fe2+ and Fe3+ as well as ammonium hydroxide (pH) was used to synthesize Fe3O4 NPs through co-precipitation method. The Box–Behnken design was selected ... -
Decoration of polylactic acid on graphene oxide for efficient adsorption of methylene blue and tetracycline
( Elsevier Ltd , 2023 , Article)Decorating nanomaterials on graphene oxide (GO) can enhance its adsorption capacity and removal efficiency of water pollutants. In this study, for the first time, nano-sized polylactic acid (PLA) has been successfully ... -
Novel Fe0 Embedded Alginate Beads and Coated with CuO-Fe3O4 as a Sustainable Catalyst for Photo-Fenton Degradation of Oxytetracycline in Wastewater
( Institute for Ionics , 2023 , Article)A novel catalyst made of zero-valent iron (Fe0) well dispersed and immobilized on alginate beads and coated using CuO-Fe3O4 (CuO-Fe3O4-Fe0/Abs) was designed and fabricated as a sustainable catalyst to degrade oxytetracycline ... -
Optimization of the Biotreatment of GTL Process Water Using Pseudomonas aeruginosa Immobilized in PVA Hydrogel
( MDPI , 2022 , Article)The COD reduction in gas to liquid (GTL) process water was optimized using response surface methodology (RSM). The biodegradation process was carried out in a spouted bed bioreactor (SBBR) using Pseudomonas aeruginosa ... -
Prediction of critical total drawdown in sand production from gas wells: Machine learning approach
( John Wiley and Sons Inc , 2023 , Article)Sand production is a critical issue in petroleum wells. The critical total drawdown (CTD) is an essential indicator of the onset of sand production. Although some models are available for CTD prediction, most of them are ... -
Iron Sulfide Scale Inhibition in Carbonate Reservoirs
( American Chemical Society , 2022 , Article)Hydrocarbon production operations include water injection, varying stimulation approaches, and enhanced oil recovery techniques. These treatments often affect reservoir formation, production, and injection facilities. Such ... -
Applications of Machine Learning Methods to Predict Hole Cleaning in Horizontal and Highly Deviated Wells
( Society of Petroleum Engineers (SPE) , 2023 , Conference)Machine learning (ML) has become a robust method for modeling field operations based on measurements. For example, wellbore cleanout is a critical operation that needs to be optimized to enhance the removal of solids to ... -
Effect of Fluid Viscosity and Fiber Length on the Performance of Fibrous Fluid in Horizontal Well Cleanout
( Society of Petroleum Engineers (SPE) , 2023 , Article)During drilling, completion, and intervention operations, solids can deposit in the wellbore. Innovative cleanout fluids reduce the problems associated with inadequate hole cleaning. Various methods have been developed to ... -
Synthesis and performance evaluation of poly (acrylamide-co-malonic acid) as FeS scale inhibitor: experimental and theoretical investigations
( Institute for Ionics , 2023 , Article)This article reports on poly (acrylamide-co-malonic acid) and poly(AM-co-MAc) copolymers that inhibit the iron sulfide scale. The iron sulfide scale is considered as one of the most challenging oilfield scales to dissolve ... -
A robust Gaussian process regression-based model for the determination of static Young's modulus for sandstone rocks
( Springer Science and Business Media Deutschland GmbH , 2023 , Article)Static Young's modulus (Es) is one of the leading mechanical rock properties. The Es can be measured from experimental lab methods. However, these methods are costly, time-consuming, and challenging to collect samples. ...
