Chemical Engineering: Recent submissions
Now showing items 361-380 of 1272
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Synthesis and electrochemical characterization of Cr-doped lithium-rich Li1.2Ni0.16Mn0.56Co0.08-xCrxO2 cathodes
( Springer Nature , 2018 , Article)Lithium-rich layer oxide, Li1.2Ni0.16Mn0.56Co0.08O2 (NMC), is a potential cathode candidate for high-energy density batteries. Issues such as cycling stability, rate performance, and cost are yet to be overcome before ... -
Second law analysis of a gravity-driven liquid film flowing along an inclined plate subjected to constant wall temperature
( Inderscience Publishers , 2014 , Article)The second law analysis of a gravity-driven liquid having temperature-dependent viscosity and flowing along an inclined heated plate was studied. The computational fluid dynamics (CFD) package FLUENT was used to obtain the ... -
Durability characteristics of high and ultra-high performance concretes
( Elsevier , 2021 , Article)Durability characteristics of high-performance concrete (HPC) and ultra-high performance concrete (UHPC) are evaluated in comparison to normal strength concrete (NSC). HPC and UHPC are cast using commonly available materials ... -
Modified halloysite nanotubes decorated with Ceria for synergistic corrosion inhibition of Polyolefin based smart composite coatings
( Elsevier , 2023 , Article)The deteriorating effect of corrosion can be controlled by applying suitable polymeric-based coatings. In this work, polyolefin based smart composite coatings containing modified halloysite nanotubes decorated with ceria ... -
Electrochemical behavior of mild and corrosion resistant concrete reinforcing steels
( Elsevier , 2020 , Article)An experimental study is carried out in this paper to evaluate the corrosion performance of mild steel reinforcing bars (MS), high strength steel reinforcing bars (HS), epoxy-coated steel reinforcing bars (EC), and ... -
Numerical simulation of the fracture and compression response of self-healing concrete containing engineered aggregates
( Elsevier , 2023 , Article)The existing self-healing concretes that rely on capsules require modifications to one or more traditional concrete mixing, placing, and consolidating methods. Additionally, concrete mixture designs need alterations to ... -
Influence of pH on chloride binding isotherms for cement paste and its components
( Elsevier , 2021 , Article)In this paper, chloride (Cl−) binding isotherms are developed for cement hydration compounds, specifically, calcium-silicate-hydrates (CSH) and AFm phases including mono-sulfate aluminate, hydroxy-AFm, monocarbonate-AFm, ... -
Corrosion of inhibitor treated mild steel immersed in distilled water and a simulated salt solution
(2013 , Article)The purpose of this study was to investigate the performances of three inhibitors in controlling corrosion of local mild steel products in distilled water and a simulated salt solution. Corrosion inhibition of mild steel ... -
Life cycle assessment of particulate recycled low density polyethylene and recycled polypropylene reinforced with talc and fiberglass
( Trans Tech Publications Ltd , 2011 , Conference)Although recycled polymers and reinforced polymer composites have been in use for many years there is little information available on their environmental impacts. The goal of the present study is to analyze the environmental ... -
Environmental degradation of 30 to 50 years old reinforced concrete structures in Qatari climate
( Advanced Engineering Solutions , 2017 , Conference)This paper presents the results of a field survey carried out on three reinforced concrete (RC) structures built respectively in 1960's 1970's and 1980's to determine the main load (environmental) and resistance (concrete ... -
Processing and characterization of palm fiber-polypropylene composites
( Trans Tech Publications Ltd , 2011 , Conference)Composites of palm fiber and polypropylene were compounded using a mixing device at various temperatures, mixing times, and mixing intensities. Two mixing options were utilized. Either the mixing device was mounted with a ... -
Self-Healing Silicones for Outdoor High Voltage Insulation: Mechanism, Applications and Measurements
( MDPI , 2022 , Article Review)This paper discusses the state of the art in the application of self-healing silicone-based materials for outdoor high-voltage insulation. Both the dynamic behavior of the dimethyl side groups of silicone rubber and the ... -
Molecular dynamics of CH4/CO2 on calcite for enhancing gas recovery
( John Wiley and Sons Inc , 2022 , Article)The effect of temperature and pressure on the adsorption of CO2 and CH4 gases on calcite (104) has been studied by means of classical molecular dynamics. The results show that carbon dioxide greatly improves methane ... -
Reaction kinetics of carbon dioxide in aqueous blends of N-methyldiethanolamine and glycine using the stopped flow technique
( Elsevier , 2016 , Article)Carbon dioxide managements and its association with global worming remains a major concern among governments and the scientific community, with novel, energy efficient and more affordable technologies topping the research ... -
Thermodynamic characterization of deepwater natural gas mixtures with heavy hydrocarbon content at high pressures
( Elsevier , 2015 , Article)This paper includes high-accuracy density measurements and phase envelopes for deepwater natural gas mixtures. Mixtures primarily consist of (0.88 and 0.94) mole fraction methane and both mixtures includes heavy components ... -
Towards Gas Hydrate-Free Pipelines: A Comprehensive Review of Gas Hydrate Inhibition Techniques
( MDPI , 2022 , Article Review)Gas hydrate blockage is a major issue that the production and transportation processes in the oil/gas industry faces. The formation of gas hydrates in pipelines results in significant financial losses and serious safety ... -
A review on recent advances in CO2 separation using zeolite and zeolite-like materials as adsorbents and fillers in mixed matrix membranes (MMMs)
( Elsevier , 2021 , Article)Anthropogenic emissions have developed the environmental demands for proficient carbon dioxide (CO2) separation technologies. Adsorption and membrane technologies are widely used to separate CO2 from other light gases due ... -
Long-Term Treatment of Highly Saline Brine in a Direct Contact Membrane Distillation (DCMD) Pilot Unit Using Polyethylene Membranes
( MDPI , 2022 , Article)Membrane distillation (MD) is an attractive separation process for wastewater treatment and desalination. There are continuing challenges in implementing MD technologies at a large industrial scale. This work attempts to ... -
Influence of combined natural deep eutectic solvent and polyacrylamide on the flocculation and rheological behaviors of bentonite dispersion
( Elsevier , 2022 , Article)The influence of hybrid coagulation/ flocculation systems on the degree of flocculation and rheological behavior of highly stable bentonite suspension has been investigated throughout this study. Natural deep eutectic ... -
Green hydrogen for industrial sector decarbonization: Costs and impacts on hydrogen economy in qatar
( Elsevier , 2021 , Article)This study focuses on the development of a strategic framework for the design of a hydrogen supply chain network (HSCN) mainly investigating the potential of industrial decarbonization and multi-sectors integration (i.e., ...
