Chemical Engineering: Recent submissions
Now showing items 301-320 of 1175
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Electrooxidation of methanol on Ag, AgNi, and AgCo catalysts prepared by combustion synthesis technique
( John Wiley and Sons Ltd , 2022 , Article)Herein, we report the synthesis of silver-based electrocatalysts (Ag/C, AgCo/C, and AgNi/C) using solution combustion method and their performance towards methanol oxidation reaction. Detailed structural and microscopic ... -
Variance-based global sensitivity analysis of a multi-population, single-chamber microbial fuel cell operating in continuous flow mode at steady state
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)Microbial fuel cells (MFCs) are environmentally friendly devices which are used to convert chemical energy in organic wastes to electrical energy. MFCs have a strong non-linearity that requires a very sophisticated controlling ... -
Performance of microbial fuel cells in treating petroleum refinery wastewater
( Elsevier Ltd , 2022 , Article)A high level of chemical energy is contained in petroleum refinery wastewater (PRW). In this study, the performance of microbial fuel cell (MFC) treating PRW is investigated in various MFC reactor configurations by studying ... -
Degradation of 4-chlorophenol through cooperative reductive and oxidative processes in an electrochemical system
( Elsevier B.V. , 2023 , Conference)Electrochemical treatment can be an effective approach for degrading recalcitrant organic contaminants because its anode/cathode produces powerful oxidizing/reducing conditions. Herein, through the cooperation of the ... -
Enhancing the degradation of selected recalcitrant organic contaminants through integrated cathode and anode processes in microbial electrochemical systems: A frontier review
( Elsevier B.V. , 2022 , Article)Microbial electrochemical system (MES) technology has been widely investigated for organic degradation. However, the removal of recalcitrant organic contaminants containing halogen-, nitro-, or azo-groups remains a great ... -
Sustainable bioelectrochemical systems for bioenergy generation via waste treatment from petroleum industries
( Elsevier Ltd , 2023 , Article Review)Petroleum industries are large water consumers and generate a lot of wastewater at various stages of industrial operations. Wastewater from the petroleum industries contain recalcitrant pollutants such as hydrocarbons that ... -
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 ... -
Virtual mimic of lab experiment using the computer-based Aspen Plus® Sensitivity Analysis Tool to boost the attainment of experiment's learning outcomes and mitigate potential pandemic confinements
( John Wiley and Sons Inc , 2022 , Article)The computer-based Aspen Plus® Sensitivity Analysis Tool (APSAT) was used as a virtual environment to mimic a gas absorption lab experiment in the Unit Operations Lab within the curriculum for the Bachelor of Science in ... -
Weakly Conjugated Hybrid Zinc Porphyrin Sensitizers for Solid-State Dye-Sensitized Solar Cells
( Wiley-VCH Verlag , 2016 , Article)Molecularly engineered weakly conjugated hybrid porphyrin systems are presented as efficient sensitizers for solid-state dye-sensitized solar cells. By incorporating the quinolizino acridine and triazatruxene based unit ... -
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 ... -
Natural Gas Sweetening Using an Energy-Efficient, State-of-the-Art, Solid-Vapor Separation Process
( MDPI , 2022 , Article)With the anticipated rise in global demand for natural gas (NG) and liquefied natural gas (LNG), sour gas reserves are attracting the attention of the gas industry as a potential resource. However, to monetize these reserves, ... -
Nano-gate opening pressures for the adsorption of isobutane, n-butane, propane, and propylene gases on bimetallic Co-Zn based zeolitic imidazolate frameworks
( Royal Society of Chemistry , 2019 , Article)In this article, zeolitic-imidazolate framework-8 (ZIF-8) and its mixed metal CoZn-ZIF-8 were synthesized via a rapid microwave method. The products were characterized by Raman spectroscopy, XPS, XRD, EDX, TEM, NanoSEM, ... -
Impact of synthesis conditions on meso- and macropore structures of resorcinol-formaldehyde xerogels
( Springer , 2011 , Article)Xerogels were prepared by the sol-gel polymerization of resorcinol with formaldehyde at different conditions. The effects of different synthesis factors (namely, resorcinol-to-formaldehyde ratio, resorcinol-to-water ratio, ... -
Photo-oxidative enhancement of polymeric molecular sieve membranes
( Nature Research , 2013 , Article)High-performance membranes are attractive for molecular-level separations in industrial-scale chemical, energy and environmental processes. The next-generation membranes for these processes are based on molecular sieving ... -
Influence of micro-and mesoporosity of resorcinol-formaldehyde xerogels on adsorption
( Mary Ann Liebert , 2013 , Article)Effects of micro-and mesoporosity of resorcinol-formaldehyde xerogels (RFXs) on the adsorptive properties of crystal violet (CV) were investigated. RFXs were synthesized at different pH values, and corresponding pore ... -
Nanofeatures of resorcinol-formaldehyde carbon microspheres
( Elsevier , 2012 , Article)Resorcinol-formaldehyde activated carbon xerogels were synthesized at certain conditions, and their morphology was studied experimentally to examine their detailed nature on the nanoscale level, which has not been reported ... -
Prediction of solid-liquid-vapor phase equilibria of noble gases in nitrogen
( Elsevier , 2022 , Article)The primary objective of this study is to develop an empirical correlation model that is able to predict the solid-liquid-vapour phase equilibria (SLVE) for the ternary system of N2-Kr-Xe at pressures ranging from 1 to 45 ... -
Thin, flexible supercapacitors made from carbon nanofiber electrodes decorated at room temperature with manganese oxide nanosheets
( Hindawi Publishing Corporation , 2013 , Article)We report the fabrication and electrochemical performance of a flexible thin film supercapacitor with a novel nanostructured composite electrode. The electrode was prepared by in situ coprecipitation of two-dimensional ... -
Supercooling elimination of phase change materials (PCMs) microcapsules
( Elsevier , 2015 , Article)Microencapsulated phase change materials (PCM) must not experience any supercooling, otherwise cannot be used in any latent heat applications. In this study Rubitherm®RT58 and1-octadecanol were selected as nucleating agents ... -
Using electric power to synthesize resorcinol-formaldehyde gels with enhanced characteristics
( John Wiley and Sons Ltd , 2020 , Article)A novel electrochemical approach was introduced for crosslinking resorcinol-formaldehyde (RF) gels at room temperature without utilizing a catalyst or a buffer. The electrochemically cross-linked gels and their subsequent ...
