Chemical Engineering: Recent submissions
Now showing items 481-500 of 1174
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A critical review of CO2 photoconversion: Catalysts and reactors
(2014 , Article)Photocatalytic conversion of CO2 to either a renewable fuel or valuable chemicals, using solar energy has attracted more and more attention, due to the great potential to provide an alternative clean fuel and solve the ... -
Synoptic analysis of direct contact membrane distillation performance in Qatar: A case study
( Elsevier B.V. , 2015 , Article)The aim of this study is to evaluate a bench scale direct contact membrane distillation (DCMD) performance using flat sheet polytetrafluoroethylene (PTFE) membrane at different inlet flow rates, temperatures, and salinity ... -
Innovation and creativity in engineering design: The role of student engagement, team spirit and industry support
( IEEE Computer Society , 2014 , Conference Paper)A case study on innovation and creativity in engineering design instruction has been presented. The novel approach emphases on the role of student engagement, team spirit and industry support to students. This paper presented ... -
Use of water in aiding olefin/paraffin (liquid + liquid) extraction via complexation with a silver bis(trifluoromethylsulfonyl)imide salt
( Academic Press , 2014 , Article)This paper describes the extraction of C5-C8 linear -olefins from olefin/paraffin mixtures of the same carbon number via a reversible complexation with a silver salt (silver bis(trifluoromethylsulfonyl) imide, Ag[Tf2N]) ... -
Gas hydrate inhibition: A review of the role of ionic liquids
( American Chemical Society , 2014 , Article)Ionic liquids (ILs) are popular designer green chemicals with great potential for use in diverse energy-related applications. Apart from the well-known low vapor pressure, the physical properties of ILs, such as ... -
Photocatalytic disinfection of Escherichia coli using TiO2 P25 and Cu-doped TiO2
( Korean Society of Industrial Engineering Chemistry , 2015 , Article)coli inactivation.coli inactivation in the range of 4-9.coli inactivation by a factor less than 3. Both sol gel and wet impregnation method are used to create undoped and Cu doped TiO2 in an effort to enhance the photocatalytic ... -
Effectiveness of pyrrolidinium based ionic liquids in flow assurance: Preventing hydrates formation in offshore sub-sea pipelines
( AIChE , 2015 , Conference Paper)The formation of hydrates within the offshore subsea pipelines is a major challenge to flow assurance in oil and gas industry. Annually, the industry spends large amount of money on thermodynamic inhibitors like methanol ... -
Enhancing liquid-phase olefin-paraffin separations using novel silver-based ionic liquids
( American Chemical Society , 2015 , Article)This paper describes the extraction of C5-C8 linear α-olefins from olefin/paraffin mixtures of the same carbon number using silver(I)/N,N-dimethylbenzamide bis(trifluoromethylsulfonyl)imide ([Ag(DMBA)2][Tf2N]) or ... -
Rheological characterization of NA2CO3 activated calcium bentonite for oil and gas drilling applications
( AIChE , 2015 , Conference Paper)Calcium bentonite was activated with soda ash (Na2CO3) at various ratios and due to the ion exchange; the original Ca-bentonite was converted to Na-bentonite. It was found that the Na2CO3 activation improves the swelling ... -
Enhanced Adsorption of Selenium Ions from Aqueous Solution Using Iron Oxide Impregnated Carbon Nanotubes
( Hindawi Limited , 2017 , Article)The aim of this research was to investigate the potential of raw and iron oxide impregnated carbon nanotubes (CNTs) as adsorbents for the removal of selenium (Se) ions from wastewater. The original and modified CNTs with ... -
Impact of ionic liquids on silver thermoplastic polyurethane composite membranes for propane/propylene separation
( Elsevier B.V. , 2020 , Article)This work describes newly synthesized composite polymeric membranes and their utilization in propane/propylene separation in a gas mixture. The nonporous composite polymers were successfully synthesized by using thermoplastic ... -
Influence of composite particle formation on the performance and economics of grit removal
( Elsevier Ltd , 2017 , Article)Grit is routinely removed at the headworks of municipal wastewater treatment works to limit its onerous impact on downstream processes. Grit separation technologies are normally based on sedimentation of a homogeneous ... -
Investigation of the performance of biocompatible gas hydrate inhibitors via combined experimental and DFT methods
( Academic Press , 2017 , Article)In this work, three ionic liquids (ILs) from the bio-compatible family of choline cations attached to anions of varying hydrophobicity namely: choline acetate (ChOAc), choline bistriflamide (ChNtf2), and choline chloride ... -
Development and surface modification of anion exchange membrane for enhancement of antifouling potential in electrodialys process
( Parlar Scientific Publications , 2018 , Article)The membrane fouling in the course of electrodialysis (ED) is a serious problem during water treatment which results to its shorter lifetime and higher energy consumption. Here, the antifouling property of previously ... -
Ionic liquids as dual functional inhibitors for natural gas hydrates (NGH)
( AIChE , 2017 , Conference Paper)The thermodynamic inhibition (TI) and kinetic inhibition (KI) effect of pyrrolidinium based Ionic liquids (ILs) 1-Methyl-1-Propyl-pyrrolidinium Chloride [PM-Py][Cl] and 1-Methyl-1-Propyl-pyrrolidinium Triflate [PM-Py][Triflate] ... -
A detailed study of cholinium chloride and levulinic acid deep eutectic solvent system for CO2capture via experimental and molecular simulation approaches
( Royal Society of Chemistry , 2015 , Article)Choline chloride + levulinic acid deep eutectic solvent is studied as a suitable material for CO2capturing purposes. The most relevant physicochemical properties of this solvent are reported together with the CO2solubility ... -
Enhancing hydrate inhibition performance of biomolecules by doping with synergents
( AIChE , 2017 , Conference Paper)The thermodynamic and kinetic inhibition effectiveness of the selected amino acids (AA): L-Alanine, Glycine, L-Histidine, L-Phenylalanine and L-Asparagine have been tested on the pure methane gas at different concentrations ... -
Role of ultrasound in the management of diabetes in pregnancy
( Taylor and Francis Ltd. , 2015 , Article)The purpose of this review is to discuss the established role of ultrasound (US) in the management of pregnancy complicated by diabetes mellitus (DM), as well as new developments with regard to the use of US in this ... -
Graphene Oxide (GO) Based Coated Geopolymeric Membrane for Concentrating Orange Juice through Forward Osmosis
( Bellwether Publishing, Ltd. , 2020 , Article)Dewatering of fruit juice through forward osmosis (FO) has attracted great attention in recent years; however, its application for fruit juice concentration through FO is limited due to high fouling rate, low flux, and ... -
Activated carbon-doped polystyrene fibers for direct contact membrane desalination
( Springer Nature , 2020 , Article)Membranes for direct contact membrane distillation were produced from electrospun polystyrene microfibers doped with activated carbon. The addition of activated carbon reduced the hydrophobicity of the fibers. Therefore, ...
