College of Engineering: Recent submissions
Now showing items 2821-2840 of 8384
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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 ... -
High performance ordered nanoporous membranes from block copolymers
( Elsevier , 2012 , Conference Paper)[No abstract available] -
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 ... -
Unravel the impact of anchoring groups on the photovoltaic performances of diketopyrrolopyrrole sensitizers for dye-sensitized solar cells
( American Chemical Society , 2015 , Article)Two D-?-A dyes, one with a strong electron withdrawing cyanoacrylic acid DPP 20 and one with a weak acceptor carboxylic acid DPP 21 have been synthesized and characterized for their application in dye-sensitized solar ... -
Role of catalyst type in the selective separation of olefinic and paraffinic hydrocarbons using xerogel-based adsorbents
( Elsevier , 2008 , Article)Resorcinol-Formaldehyde (RF)-based activated carbon xerogels are typically synthesized using a homogeneous, sodium-based, catalyst solution. In this work, the synthesis of RF-based carbon xerogels using other, non-typical, ... -
An empirical correlation-based model to predict solid-fluid phase equilibria and phase separation of the ternary system CH4-CO2-H2S
( Elsevier , 2021 , Article)To cover the expected increased demand for natural gas, energy industry has to exploit sour gas reserves located around the world. However, acid gases have to be removed before the natural gas produced from these fields ... -
Adsorption energy and pore-size distributions of activated carbons calculated using Hill's model
( Multi-Science Publishing Co. Ltd , 2014 , Article)An integral equation derived using a statistical physics treatment by considering the adsorption energy distribution (AED) was used to model the adsorption of ethylene and ethane on resorcinol-formaldehyde-based activated ... -
Dopant-free hole-transporting materials for stable and efficient perovskite solar cells
( Wiley-VCH Verlag , 2017 , Article)Molecularly engineered novel dopant-free hole-transporting materials for perovskite solar cells (PSCs) combined with mixed-perovskite (FAPbI3)0.85(MAPbBr3)0.15 (MA: CH3NH3+, FA: NH=CHNH3+) that exhibit an excellent power ... -
Controlled thermal oxidative crosslinking of polymers of intrinsic microporosity towards tunable molecular sieve membranes
( Nature Publishing Group , 2014 , Article)Organic open frameworks with well-defined micropore (pore dimensions below 2 nm) structure are attractive next-generation materials for gas sorption, storage, catalysis and molecular level separations. Polymers of intrinsic ... -
Collective osmotic shock in ordered materials
( Nature Publishing Group , 2012 , Article)Osmotic shock in a vesicle or cell is the stress build-up and subsequent rupture of the phospholipid membrane that occurs when a relatively high concentration of salt is unable to cross the membrane and instead an inflow ... -
Efficacy of using slurry of metal-coated microencapsulated PCM for cooling in a micro-channel heat exchanger
( Elsevier , 2017 , Article)This paper provides a method of heat transfer enhancement using microencapsulated phase change material (MPCM) slurries, utilizing the latent heat of PCM during melting. The values of heat transfer coefficient obtained for ...
