Browsing Chemical Engineering by Subject "Carbon dioxide"
Now showing items 21-36 of 36
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Impact of clays on CO2 adsorption and enhanced gas recovery in sandstone reservoirs
( Elsevier Ltd , 2021 , Article)Carbon dioxide enhanced gas recovery (EGR) is a promising technique to sequester CO2 and boost natural gas recovery from conventional depleted and unconventional tight gas reservoirs. Clay minerals are usually present in ... -
Influence of carbon uniformity on its characteristics and adsorption capacities of CO2 and CH4 gases
( MDPI AG , 2021 , Article)Activated carbons of resorcinol-formaldehyde aerogels (AC-RFA) were prepared and mixed with multiwall carbon nanotubes (MWCNTs) with various ratios. Samples were characterized by different techniques. The novelty of the ... -
Influence of natural gas composition on adsorption in calcite Nanopores: A DFT study
( Elsevier B.V. , 2021 , Article)Density functional theory is used to study the adsorption of natural gas components in calcite (10.4) cylindrical nanopores with 1–4 nm diameters. The change of adsorption energy with the diameter of the nanopores is studied ... -
Insights into choline chloride-phenylacetic acid deep eutectic solvent for CO2 absorption
( Royal Society of Chemistry , 2016 , Article)The properties of choline chloride plus phenylacetic acid deep eutectic solvents in neat liquid state and upon absorption of CO2 are analyzed using a theoretical approach combining quantum chemistry using Density Functional ... -
Interfacial properties of 1-ethyl-3-methylimidazolium glycinate ionic liquid regarding CO2, SO2 and water from molecular dynamics
( Elsevier B.V. , 2016 , Article)The surface properties of 1-ethyl-3-methylimidazolium glycinate ionic liquid, as a model of amino acid-based compounds, in contact with a vacuum, CO2, SO2 and flue gas phases are studied using molecular dynamics simulations. ... -
Ionic liquid design for enhanced carbon dioxide capture - A computer aided molecular design approach
( Italian Association of Chemical Engineering - AIDIC , 2014 , Article)Greenhouse gases emission is known as the main factor of climate change, and carbon dioxide (CO2) makes up vast majority of them. Carbon capture and storage (CCS) is a vital technology to mitigate industrial CO2 emissions, ... -
Kinetics of CO2 Adsorption/Desorption of Polyethyleneimine-Mesoporous Silica
( Wiley-VCH Verlag , 2017 , Article)The kinetics of adsorption of CO2 on solid sorbents based on polyethyleneimine/mesoporous silica (PEI/MPS) was studied by following the mass gain during CO2 flow. Linear (PEI-423) and branched (PEI-10k) polymers were ... -
Large CO2 uptake on a monolayer of CaO
( Royal Society of Chemistry , 2017 , Article)Density functional theory calculations are used to study gas adsorption properties of a recently synthesized CaO monolayer, which is found to be thermodynamically stable in its buckled form. Due to its topology and strong ... -
Membranes for CO2 Separation
( wiley , 2016 , Book chapter)Membranes are becoming popular for CO2 separation as an environmentally friendly, efficient technology. A comprehensive review of recent studies conducted on CO2 separation from different sources is essential for tracking ... -
Potential use of mixed indigenous microalgae for carbon dioxide bio-fixation and advanced wastewater treatment
( AIChE , 2017 , Conference Paper)The potential use of mixed indigenous microalgae (MIMA) as a CO2 capturing technology and treatment process for wastewaters was evaluated at two temperatures ( 25 and 30 C) and different CO2 dosage ( 0%, 5% and 15%). During ... -
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 ... -
Reaction kinetics of carbon dioxide with aqueous solutions of l-Arginine, Glycine & Sarcosine using the stopped flow technique
( Elsevier , 2017 , Article)The use of amino acids as potential solvents for carbon dioxide (CO2) capture has been considered by a number of researchers. However, very little is known about the kinetics and mechanism of amino acids-CO2 reactions. In ... -
Selective adsorption of carbon dioxide, methane and nitrogen using resorcinol-formaldehyde-xerogel activated carbon
( Springer New York LLC , 2017 , Article)Resorcinol–formaldehyde xerogel was prepared, carbonized and activated in specific conditions to form resorcinol–formaldehyde activated carbon xerogel (RF-ACX) that was to produce microporous nanoparticles. RF-ACX was used ... -
Sol-gel derived CeO2-Fe2O3 nanoparticles: Synthesis, characterization and solar thermochemical application
( Elsevier Ltd , 2016 , Article)Synthesis of CeO2-Fe2O3 nanoparticles via propylene oxide (PO) aided sol-gel method for the production of solar fuels via thermochemical H2O/CO2 splitting cycles is reported in this paper. For the synthesis of CeO2-Fe2O3, ... -
Solar thermochemical conversion of CO2 into synthetic fuels via ferrite based redox reactions
( AIChE , 2014 , Conference Paper)In this contribution, we report the synthesis NiFe2O4 and CoFe2O4 redox materials via sol-gel method. For the synthesis of these materials via sol-gel approach, the Ni, Co, and Fe precursors were first dissolved in ethanol ... -
Zeolitic imidazolate framework (ZIF-8) based polymer nanocomposite membranes for gas separation
( Royal Society of Chemistry , 2012 , Article)As synthesised ZIF-8 nanoparticles (size ∼ 60 nm and specific surface area ∼ 1300–1600 m2 g−1) were directly incorporated into a model polymer matrix (Matrimid® 5218) by solution mixing. This produces flexible transparent ...