Chemical Engineering: Recent submissions
Now showing items 1-20 of 1141
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Mechanical characteristics of ultra-high performance steel FRC made with recycled concrete aggregates
( American Institute of Physics Inc. , 2023 , Conference Paper)Recycled concrete aggregates (RCA) are increasingly becoming a sustainable alternative to natural aggregate (NA) for concrete applications. This study, therefore, tests the influence of RCA on the fresh and hardened ... -
Novel methodology to couple decline curve analysis with CFD reservoir simulations for complex shale gas reservoirs
( John Wiley and Sons Inc , 2024 , Article)Shale reservoirs are highly complex and are difficult to study using conventional reservoir simulation tools. This study introduces a novel methodology for estimating production from complex shale gas reservoirs by coupling ... -
CFD estimation of gas production in tight carbonates using single and dual-porosity models
( Nature Research , 2023 , Article)Tight Carbonate reservoirs are regarded as one of the most complex reservoir formations due to the heterogeneity and complexity of their mineral composition, pore structure, and storage model. It is uncommon to study the ... -
Correction to: CFD estimation of gas production in tight carbonates using single and dual-porosity models (Scientific Reports, (2023), 13, 1, (22668), 10.1038/s41598-023-48450-5)
( Nature Research , 2024 , Other)The Funding section in the original version of this Article was incorrect. "Qatar National Research Fund, NPRP11S-1228-170138 and NPRP12S-0305-190235, NPRP11S-1228-170138 and NPRP12S-0305-190235, NPRP11S-1228-170138 and ... -
Overcoming the energy and environmental issues of LNG plants by using solid oxide fuel cells
( Elsevier , 2021 , Article)A new intensification concept was proposed for the liquefied natural gas (LNG) plants. Our concept capitalizes on solid oxide fuel cells (SOFCs) and efficient pressure/heat recovery. Detailed processes were synthesized, ... -
Influence of polyolefin modified by Y2O3 as protective coatings against carbon steel corrosion into 3.5% NaCl media
( Springer , 2023 , Article)In this research work, we have studied the impact of Yttrium nanoparticles loaded with corrosion inhibitors dodecylamine (DOC) incorporated in polyolefin for the corrosion protection of steel. The surface analysis of pure ... -
Green solvent-based extraction of chlorophyll a from Nannochloropsis sp. Using 2,3-butanediol
( Elsevier B.V. , 2021 , Article)Chlorophyll acts as a beneficial antioxidant for the human body; however, only a few studies have reported the chlorophyll extraction using the non-toxic solvents. In this study, we used a green solvent, 2,3-butanediol ... -
Lipid production under a nutrient-sufficient condition outperforms starvation conditions due to a natural polarization of lipid content in algal biofilm
( Elsevier Ltd , 2023 , Article)Attached algae cultivation for biofuel production has received proliferated attention given its advantage to reduce harvesting/dewatering costs and contamination risk. In this study, the effects of various nutrient starvation ... -
Size-resolved ambient bioaerosols concentration, antibiotic resistance, and community composition during autumn and winter seasons in Qatar
( Elsevier , 2023 , Article)This study investigates the size distribution, microbial composition, and antibiotic resistance (ABR) of airborne bioaerosols at a suburban location in Doha, Qatar between October 2021 and January 2022. Samples were collected ... -
A carbon dot-based clay nanocomposite for efficient heavy metal removal
( Royal Society of Chemistry , 2023 , Article)Carbon dots and their derivatives with fascinating photoluminescence properties have recently attracted tremendous scientific attention. This work describes the preparation of novel fluorescent bentonite clay (B), modified ... -
A review on microwave-assisted synthesis of adsorbents and its application in the removal of water pollutants
( Elsevier , 2021 , Article)The use of conventional heating techniques in adsorbents preparation involves long synthesis time, high energy consumption, high cost and material fast firing. Recently, Microwave heating technique has been used to replace ... -
Particle swarm optimization and global sensitivity analysis for catalytic co-pyrolysis of Chlorella vulgaris and plastic waste mixtures
( Elsevier , 2021 , Article)This study investigated on the co-pyrolysis of microalgae Chlorella vulgaris and high-density polyethylene (HDPE) waste mixtures which was performed with three types of catalysts, namely limestone (LS), HZSM-5 zeolite, and ... -
A polyethylene glycol (PEG) – polyethersulfone (PES)/multi-walled carbon nanotubes (MWCNTs) polymer blend mixed matrix membrane for CO2/N2 separation
( Springer Science and Business Media B.V. , 2021 , Article)Recently, carbon capture utilizing membrane technology has received much attention to limit the adverse effect caused by rising carbon dioxide (CO2) concentration in the atmosphere as they are less energy intensive and ... -
Development of novel blend poly (Ethylene Glycol) / Poly(Ethersulfone) polymeric membrane using N-Methyl-2-Pyrollidone and dimethylformamide solvents for facilitating CO2/N2gas separation
( Elsevier , 2020 , Conference Paper)Carbon dioxide (CO2) emissions have been the main cause for anthropogenic climate change. To meet the growing demand for CO2 removal, membrane separation technology using blend membranes is a promising and attractive ... -
The prospect of synthesis of PES/PEG blend membranes using blend NMP/DMF for CO2/N2 separation
( Springer Science and Business Media B.V. , 2021 , Article Review)Carbon dioxide (CO2) emissions have been the root cause for anthropogenic climate change. Decarbonisation strategies, particularly carbon capture and storage (CCS) are crucial for mitigating the risk of global warming. ... -
A prospective concept on the fabrication of blend pes/peg/dmf/nmp mixed matrix membranes with functionalised carbon nanotubes for co2/n2 separation
( MDPI AG , 2021 , Article Review)With an ever-increasing global population, the combustion of fossil fuels has risen immensely to meet the demand for electricity, resulting in significant increase in carbon dioxide (CO2 ) emissions. In recent years, CO2 ... -
Magnetic separation of micron-sized particles: process study and regression modelling using moving least squares and multivariable power least squares method
( Taylor and Francis Ltd. , 2022 , Article)The presence of fine particles has reduced the quality of water resources. Unfortunately, the fine particles normally take a longer time to be removed. Realizing this, the present study aims to employ a magnetic adsorbent ... -
Synergistic effects of catalytic co-pyrolysis Chlorella vulgaris and polyethylene mixtures using artificial neuron network: Thermodynamic and empirical kinetic analyses
( Elsevier , 2022 , Article)The catalytic pyrolysis of Chlorella vulgaris, high-density polyethylene (Pure HDPE) and, their binary mixtures were conducted to analyse the kinetic and thermodynamic performances from 10 to 100 K/min. The kinetic parameters ... -
Simultaneous water reclamation and nutrient recovery of aquaculture wastewater using membrane distillation
( Elsevier , 2022 , Article)A large amount of aquaculture wastewater with high load of nutrients, organic matter, and microalgae will pollute receiving water body and needs to treat before discharge. In this work, membrane distillation (MD) with the ... -
Chemical, physical, and morphological characteristics of nanomaterials for CO2 capture and conversion
( Elsevier , 2022 , Book chapter)The major cause of global warming and ocean acidification are due to the anthropogenic emissions of CO2 from industrial development. Till date, various mitigation strategies had been proposed for CO2 capture from different ...