Browsing Center for Advanced Materials Research by Title
Now showing items 1218-1237 of 1304
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The Role of Key Impurity Elements on the Performance of Aluminium Electrolysis -Current Efficiency and Metal Quality
( wiley , 2016 , Book chapter)The behaviour of phosphorus and silicon in industrial aluminium cells was measured in QATALUM cells by analysis of bath and metal after addition of AlPO4, Na3PO4 and SiO2 to the bath. Phosphorus showed a much longer retention ... -
The Separation of Emulsified Water/Oil Mixtures through Adsorption on Plasma-Treated Polyethylene Powder
( Qatar University Press , 2021 , Poster)This work 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 radio-frequency ... -
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 ... -
The separation of oil/water mixtures by modified melamine and polyurethane foams: A review
( MDPI , 2021 , Article Review)Melamine (MA) and polyurethane (PU) foams, including both commercial sponges for daily use as well as newly synthesized foams are known for their high sorption ability of both polar and unipolar liquids. From this reason, ... -
The study of optical and photodielectric properties of polymethyl methacrylate and tris-(8-hydroxy-quinoline) aluminum (Alq3) composites
( John Wiley and Sons Inc , 2021 , Article)Polymer composite films of tris-(8-hydroxy-quinoline) aluminum (Alq3) and polymethyl methacrylate (PMMA) at two different concentrations were investigated. Dielectric properties of the samples were measured in broad frequency ... -
Theoretical and experimental insights into the C-steel aqueous corrosion inhibition at elevated temperatures in 1.0M HCl via multi-carbonyl Gemini cationic surfactants
( De Gruyter (O) , 2023 , Article)Despite corrosion being an inevitable process, researchers strive to control corrosion. In this study, our goal was to prepare two amido Gemini cationic surfactants, LAPG and MAPG, each with different alkyl chains and ... -
Theoretical insight into effect of cation–anion pairs on CO2 reduction on bismuth electrocatalysts
( Elsevier , 2020 , Article)This study presents theoretical insight into the mechanism of the CO2 reduction reaction (CO2RR) to formic acid (HCOOH) on Bi (012) surfaces in the presence of alkali metal cations (M+: Cs+, K+, and Li+) and/or halide ... -
Thermal and mechanical characterization of injection moulded high density polyethylene/paraffin wax blends as phase change materials
( Elsevier Ltd , 2014 , Article)Thermal and mechanical properties of blends based on high density polyethylene and paraffin wax were investigated. The blends were prepared from 5 to 50vol. % of paraffin wax employing a twin-screw extruder. Thermal behaviour ... -
Thermal and mechanical properties of injection molded recycled high density polyethylene blends with virgin isotactic polypropylene
( Elsevier, Ltd , 2013 , Article)Polymer blending has become an important field in polymer research and especially in the area of recycling. In this research the target was to reduce the polymer waste problem. Therefore, recycled high density polyethylene ... -
Thermal and mechanical properties of PP/HDPE/wood powder and MAPP/HDPE/wood powder polymer blend composites.
( Elsevier , 2017 , Article)The morphology and properties of blends of PP/HDPE and MAPP/HDPE blends, and their composites with wood powder, were investigated in this paper. The blends showed two-phase morphologies, and MAPP interacted better than ... -
Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material
( Elsevier , 2022 , Article)Both p-type and n-type bismuth telluride (Bi2Te3)-based thermoelectric materials demonstrate high thermoelectric efficiency in the low-temperature thermoelectric modules, but their constrained thermal and mechanical stability ... -
Thermal behavior and post-heating fracture characteristics of polypropylene microfiber-reinforced geopolymer binders
( Elsevier , 2022 , Article)This paper investigated the post-heating behavior of fly ash-based geopolymer binders reinforced with polypropylene (PP) microfibers. Geopolymer binders with different fiber contents including 0%, 0.05%, 0.1%, and 0.2% by ... -
Thermal characterization of phase change materials based on linear low-density polyethylene, paraffin wax and expanded graphite
( Elsevier Ltd , 2016 , Article)Thermal characterization of Phase Change Materials (PCMs) based on linear low-density polyethylene (LLDPE), paraffin wax (W) and expanded graphite (EG) is reported in this paper. Investigated PCMs showed high potential for ... -
Thermal characterization of polymer matrix composites containing microencapsulated paraffin in solid or liquid state
( Elsevier Ltd , 2014 , Article)This work focuses on the study of heat transfer mechanisms in composites materials which may be used for Latent Heat Thermal Energy Storage applications. These composites contain phase change material (PCM) which can absorb ... -
Thermal insitu analyses of multicomponent pyrophosphate cathodes materials
( Electrochemical Science Group , 2015 , Article)Development of secondary batteries based on abundant and inexpensive elements are vital. Amongvarious alternative choices, sodium-ion batteries (NIBs) are promising because of plentiful resourcesand low costs of sodium ... -
Thermal performance and kinetic analysis of vermicelli drying inside a greenhouse for sustainable development
( Elsevier Ltd , 2021 , Article)In this research paper, vermicelli samples of 3 mm, 2 mm, and 1.25 mm diameters have been dried inside an even span greenhouse (1.2 × 0.8 m2 effective floor area) under forced convection mode in the climatic conditions of ... -
Thermal properties measurement and heat storage analysis of paraffin/graphite composite phase change material
( Elsevier Ltd , 2014 , Article)This study aims at the preparation of a paraffin/graphite waste composite for thermal energy storage application at low temperature. In this composite material, the paraffin is characterized by high phase change latent ... -
Thermal properties of phase-change materials based on high-density polyethylene filled with micro-encapsulated paraffin wax for thermal energy storage
( Elsevier Ltd , 2015 , Article)Microcapsules consisting of paraffin wax cores with a melting point of approximately 42 °C and a melamine-formaldehyde resin shell were synthesized using in situ polymerization. These microcapsules have a uniform distribution ... -
Thermal properties of TiO 2 NP/CNT/LDPE hybrid nanocomposite films
( MDPI AG , 2018 , Article)This work aims to investigate the effect of hybrid filler concentration on the thermal stability of low-density polyethylene (LDPE) matrices. LDPE-based composite films were synthesized by melt mixing, followed by compression ... -
Thermal, Electrical, and Sensing Properties of Recycled HDPE/Carbonaceous Industrial Waste Composites
( John Wiley and Sons Inc , 2021 , Article)This work is an endeavor to contemplate a value-added conductive plastic composite material derived as recycled plastic depending on polyethylene (PE)/carbon black (CB). We choose to add CB as a filler material to enhance ...