Chemical Engineering: Recent submissions
Now showing items 781-800 of 1174
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Kinetic and thermodynamic investigation of CO2 adsorption-desorption on polyethyleneimine - Mesoporous silica
( TechConnect , 2016 , Conference Paper)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 ... -
Estimation of algae concentration in water solutions using spectrophotometry measurements and absorbance first derivative
( TechConnect , 2016 , Conference Paper)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 ... -
Comparative Study of Homogeneous and Heterogeneous Modelling of Water-Gas Shift Reaction with Macro-or Micro-kinetics
( Elsevier Ltd , 2016 , Conference Paper)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 ... -
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 ... -
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 ... -
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 hydrogen production via erbium oxide based thermochemical water splitting cycle
( American Institute of Physics Inc. , 2016 , Article)The erbium oxide based water splitting (Eb-WS) cycle was thermodynamically studied by using the HSC Chemistry software and databases. The first step of the Eb-WS cycle involves thermal reduction of Er2 O3, whereas the ... -
CO2 Capture Using Aqueous Potassium Carbonate Promoted by Ethylaminoethanol: A Kinetic Study
( American Chemical Society , 2016 , Article)Kinetics of absorption of CO2 in an aqueous potassium carbonate (K2CO3) promoted by ethylaminoethanol (EAE) solution (hereafter termed as APCE solvent) was investigated in a glass stirred cell reactor by employing a fall ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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. ... -
Oxygen reduction reaction catalysts used in microbial fuel cells for energy-efficient wastewater treatment: A review
( Royal Society of Chemistry , 2016 , Article Review)Microbial fuel cells (MFCs) as an energy-efficient wastewater treatment technology have attracted increasing interest in the past decade. Cathode catalysts for the oxygen reduction reaction (ORR) present a major challenge ... -
Treatment and desalination of domestic wastewater for water reuse in a four-chamber microbial desalination cell
( Springer Verlag , 2016 , Article)Microbial desalination cells (MDCs) have been studied for contaminant removal from wastewater and salinity reduction in saline water. However, in an MDC wastewater treatment and desalination occurs in different streams, ... -
Thermodynamic investigation of hydrogen enrichment and carbon suppression using chemical additives in ethanol dry reforming
( Elsevier Ltd , 2016 , Article)In this study, a thermodynamic equilibrium analysis has been performed on ethanol dry reforming in presence of commonly used reducing agents such as glycine, hydrazine, urea and ammonia. The effect of these agents on ... -
Optimal control of a non-isothermal catalytic packed-bed reactor model
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)This work deals with the linear-quadratic control problem for a non-isothermal packed-bed catalytic reactor, which is described by coupled hyperbolic and parabolic partial differential equations model. The classical Riccati ... -
Computational thermodynamic analysis of a solar thermochemical manganese oxide - Manganese sulfate water splitting cycle
( AIChE , 2016 , Conference Paper)In this paper computational thermodynamics modeling of the solar H2 production via twostep thermochemical manganese oxide - manganese sulfate (MnO-MnS) water splitting cycle is reported. In this cycle, the first step ...
