Chemical Engineering: Recent submissions
Now showing items 781-800 of 1182
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Observation of the wrapping mechanism in amine carbon dioxide molecular interactions on heterogeneous sorbents
( Royal Society of Chemistry , 2016 , Article)Liquid, solvated amine based carbon capture is the core of all commercial or planned CO2 capture operations. Despite the intense research, few have looked systematically into the nature of amine molecules and their CO2 ... -
Safety and techno-economic analysis of ethylene technologies
( Elsevier Ltd , 2016 , Article)Recent growth in shale gas production has contributed to the interest in establishing numerous petrochemical plants for shale-gas monetization. The ethylene industry is one of the main beneficiaries of such growth because ... -
A molecular dynamics study on aminoacid-based ionic liquids
( Elsevier , 2016 , Article)The properties of aminoacid based ionic liquids are studied using classic molecular dynamic simulations. Ionic liquids comprising glycine, serine, alanine and phenyl alanine anions combined with 1-ethyl-3-methylimidazolium, ... -
Comparative Study of Homogeneous and Heterogeneous Modelling of Water-Gas Shift Reaction with Macro-or Micro-kinetics
( Elsevier Ltd , 2016 , Conference)This paper presents critical studies on water-gas shift reaction (WGSR) kinetic models as well as the modelling approaches of the reactor, in which the reaction is conducted - the packed-bed tubular reactor (PBTR). There ... -
Estimation of algae concentration in water solutions using spectrophotometry measurements and absorbance first derivative
( TechConnect , 2016 , Conference)The monitoring and detection of algae in wastewater and surface solutions is important in controlling the quality of surface water and wastewater, yet there is currently no quick and simple method to achieve this. The ... -
Heat powered water pump for reverse osmosis desalination
( TechConnect , 2016 , Conference)Current desalination techniques are typically very energy intensive: energy consumption can account for up to 70% of the desalination costs. To improve economics of water desalination plants innovative energy efficient, ... -
Kinetic and thermodynamic investigation of CO2 adsorption-desorption on polyethyleneimine - Mesoporous silica
( TechConnect , 2016 , Conference)Two CO2 solid sorbents based on polyethyleneimine, PEI (432 and 10k) impregnated into mesoporous silica (MPS) foam were synthesized and tested for CO2 capture. At ambient pressure, the amount of CO2 captured by these solid ... -
A mixed iron–manganese based pyrophosphate cathode, Na2Fe0.5Mn0.5P2O7, for rechargeable sodium ion batteries
( Royal Society of Chemistry , 2016 , Article)The development of secondary batteries based on abundant and cheap elements is vital. Among various alternatives to conventional lithium-ion batteries, sodium-ion batteries (SIBs) are promising due to the abundant resources ... -
Doubly dual nature of ammonium-based ionic liquids for methane hydrates probed by rocking-rig assembly
( Royal Society of Chemistry , 2016 , Article)This work presents a systematic study of methane hydrate inhibition in the presence of five structurally variable ionic liquids (ILs) belonging to the ammonium family—viz., tetra-alkylammonium acetate (TMAA), choline ... -
Synthesis, characterization and applications of electroless Ni-B coatings-A review
( Electrochemical Science Group , 2016 , Article Review)Electroless nickel coating process has experienced remarkable modifications since its invention by Branner and Riddell in 1946. This process has proven to be very useful for applying uniform, hard, wear resistant coatings ... -
Flavonol-carbon nanostructure hybrid systems: A DFT study on the interaction mechanism and UV/Vis features
( Royal Society of Chemistry , 2016 , Article)Flavonols are a class of natural compounds with potential biological and pharmacological applications. They are also natural pigments responsible for the diversity of colors in plants. Flavonols offer the possibility of ... -
An Experimental and Kinetic Study of the Sorption of Carbon Dioxide onto Amine-Treated Oil Fly Ash
( Hindawi Publishing Corporation , 2016 , Article)A new CO2 adsorbent is produced from waste oil fly ash (OFA). Ammonium hydroxide solution is used to convert OFA to activated carbon. Then, the product is used for the adsorption of CO2 from a nitrogen/carbon dioxide ... -
Removal of emerging pharmaceuticals from wastewater by ozone-based advanced oxidation processes
( John Wiley and Sons Inc. , 2016 , Article)Thin-ply composites are currently receiving specific attention from researchers due to their capabilities to delay matrix cracking. In this paper, the aim is to design a hybrid laminate that contains both thin- and normal ... -
Novel methodology for facile fabrication of nanofiltration membranes based on nucleophilic nature of polydopamine
( Elsevier B.V. , 2016 , Article)Novel methodology for facilely fabricating nanofiltration (NF) composite membrane has been successfully developed by employing nucleophilic nature of polydopamine (PDA) chemistry. The self-polymerized PDA coating over ... -
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, ... -
Innovative method of metal coating of microcapsules containing phase change materials
( Elsevier Ltd , 2016 , Article)Microencapsulation of phase change materials (PCMs) is needed to prevent PCM leaking during melting. However, the low thermal conductivity of the microcapsules shell limits their applications. To enhance thermal conductivity ... -
Ceramic membrane filtration of produced water: Impact of membrane module
( Elsevier B.V. , 2016 , Article)Produced water (PW) generated from oil exploration requires rigorous removal of suspended matter (free oil and particulate solids) as tertiary treatment (downstream of hydrocyclone and gas flotation) if it is to be re-injected ... -
Physicochemical Insights on Alkylcarbonate-Alkanol Solutions
( American Chemical Society , 2016 , Article)Macroscopic properties and structuring at the molecular level of dialkylcarbonate + 1-alkanol mixed fluids have been studied as a function of alkyl chain lengths in 1-alkanol and dialkylcarbonate, mixture composition, and ... -
Assessment of CexZryHfzO2 based oxides as potential solar thermochemical CO2 splitting materials
( Elsevier Ltd , 2016 , Article)In this paper, we report the synthesis, characterization, and assessment of CexZryHfzO2 (CZH) materials for solar thermochemical splitting of CO2 in up to 20 consecutive thermochemical cycles. CZH materials with different ... -
Deep eutectic solvents on the surface of face centered cubic metals
( American Chemical Society , 2016 , Article)The properties of the deep eutectic solvent based on choline chloride and levulinic acid, for 1:2 molar ratio, on the (100) surfaces of metals with face centered cubic crystal structures (Ag, Al, and Pt) are studied using ...