Chemical Engineering: Recent submissions
Now showing items 1121-1140 of 1174
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Nanowetting of Graphene by Ionic Liquid Droplets
( American Chemical Society , 2015 , Article)The behavior of nanodroplets formed by amino acid based 1-ethyl-3-methylimidazolium glycine ionic liquid on graphene sheets was studied using classic molecular dynamics. Nanodroplets of different sizes were analyzed, and ... -
The impact of charges in force field parameterization for molecular dynamics simulations of deep eutectic solvents
( Elsevier , 2015 , Article)The nanoscopic characteristics and macroscopic physicochemical properties of choline chloride:levulinic acid (1:2 mole ratio) deep eutectic solvent are analyzed from molecular dynamics simulations. Considering the ionic ... -
Boron removal from saline water by a microbial desalination cell integrated with donnan dialysis
( Elsevier , 2015 , Article)Boron has toxic effects on plant growth and thus its removal is necessary from desalinated saline water for irrigation application. Microbial desalination cells (MDCs) are a new approach for effective desalination but boron ... -
Insights of CO2 adsorption performance of amine impregnated mesoporous silica (SBA-15) at wide range pressure and temperature conditions
( Elsevier Ltd , 2015 , Article)Beside IGCC, efficient storage and transportation of CO2 and other gases require pressurize conditions. CO2 and other gases adsorption on solid sorbents at high pressure and various temperatures are extremely important as ... -
Photocatalytic removal of phenol from refinery wastewater: Catalytic activity of Cu-doped titanium dioxide
( Elsevier Ltd , 2015 , Article)A series of Cu-doped TiO2 catalysts were prepared by a sol-gel method and the effect of various synthesis parameters, including solvent type; solvent/catalyst amount; amount of water; catalyst type/amount; and acid type, ... -
A comprehensive impedance journey to continuous microbial fuel cells
( Elsevier , 2015 , Article)The aim of the present work was to characterize the impedance response of an air-cathode MFC operating in a continuous mode and to determine intrinsic properties that define its performance which are crucial to be controlled ... -
Removal of disinfection by-product precursors by coagulation and an innovative suspended ion exchange process
( Elsevier Ltd , 2015 , Article)This investigation aimed to compare the disinfection by-product formation potentials (DBPFPs) of three UK surface waters (1 upland reservoir and 2 lowland rivers) with differing characteristics treated by (a) a full scale ... -
Second law analysis of compressible flow through a diffuser subjected to constant heat flux at wall
( Elsevier Ltd , 2010 , Article)Entropy generation is equivalent to destruction of available work (exergy). The useful energy is destroyed due to the intrinsic irreversibility associated within thermodynamic systems. Exergy analysis can be used as an ... -
Review on the Use of Ionic Liquids (ILs) as Alternative Fluids for CO2 Capture and Natural Gas Sweetening
( American Chemical Society , 2010 , Article)The capture of CO2 from flue gases derived from fossil-fueled power plants and the absorption of CO2/H2S for natural gas sweetening purposes are two relevant industrial problems closely related to very important environmental, ... -
Investigation of the use of TiO2 doped with metal ions in water disinfection
( IWA Publishing , 2010 , Article)This research was conducted to improve titanium dioxide by transition metal doping using cooper. Sol gel method was used to prepare metal doped TiO 2. Titanium isopropoxide and commercial TiO2 P25 were employed as catalyst ... -
Second law analysis of compressible flow through a diffuser subjected to constant wall temperature
( Inderscience , 2010 , Article)This study presents the investigation of entropy generation in compressible turbulent flow of air through a diffuser. Constant temperature boundary condition is applied at the wall. Two-dimensional solution of velocity and ... -
Thermal dimensional stability of isotropic polyoxymethylene
( John Wiley & Sons, Ltd. , 1991 , Article)A parametric mapping analysis of the effect of various structural and morphological parameters on the thermal dimensional stability of polyoxymethylene is highlighted. The molecular composites model is found to describe ... -
Structure-thermal expansivity relation for isotropic polyoxymethylene sheets
( John Wiley & Sons, Ltd. , 1994 , Article)A detailed parametric mapping analysis of the thermal expansion coefficient for isotropic polyoxymethylene is presented. The molecular composite model has been computerized to investigate the variation of the thermal ... -
Neural-Networks-Based Feedback Linearization versus Model Predictive Control of Continuous Alcoholic Fermentation Process
( WILEY-VCH Verlag GmbH & Co. , 2005 , Article)In this work advanced nonlinear neural networks based control system design algorithms are adopted to control a mechanistic model for an ethanol fermentation process. The process model equations for such systems are highly ... -
Na2FeP2O7 as a Promising Iron-Based Pyrophosphate Cathode for Sodium Rechargeable Batteries: A Combined Experimental and Theoretical Study
( WILEY-VCH Verlag GmbH & Co. , 2013 , Article)Considering the promising electrochemical performance of the recently reported pyrophosphate family in lithium ion batteries as well as the increasing importance of sodium ion batteries (SIBs) for emerging large-scale ... -
Diffusion of saturated hydrocarbons in low density polyethylene (LDPE) films
( Wiley Subscription Services, Inc. , 1989 , Article)The diffusion coefficients at zero penetrant concentration, D0, of n-heptane, n-heptane, n-octane, n-decane, and 2,2,4-trimethylpentane (TMP) in LDPE were obtained in the range of 25–50°C, using the desorption method. The ... -
Mathematical model for predicting sludge accumulation in septic tanks based on operational parameters: effect of hydraulic mixing
( John Wiley & Sons, Ltd. , 2015 , Article)Reporting sludge accumulation in septic tanks as a constant rate is no longer accepted, and there is a need for a model that predicts sludge accumulation in septic tanks taking into consideration the continuous consumption ... -
Operational modeling of multistream heat exchangers with phase changes
( Wiley Subscription Services, Inc., A Wiley Company , 2009 , Article)Multistream heat exchangers (MSHE) enable the simultaneous exchange of heat among multiple streams, and are preferred in cryogenic processes such as air separation and LNG. Most MSHEs are complex; proprietary and involve ... -
Adaptive and Predictive Control of Liquid-Liquid Extractors Using Neural-Based Instantaneous Linearization Technique
( WILEY-VCH Verlag GmbH & Co. , 2006 , Article)Nonlinearity of the extraction process is addressed via the application of instantaneous linearization to control the extract and raffinate concentrations. Two feed-forward neural networks with delayed inputs and outputs ... -
Insights into Tris-(2-Hydroxylethyl)methylammonium Methylsulfate Aqueous Solutions
( WILEY-VCH Verlag , 2012 , Article)We report herein a combined experimental–computational study on tris-(2-hydroxylethyl)methylammonium methylsulfate in water solutions, as a representative ionic liquid of the aqueous-solution behavior of hydroxylammonium-based ...