Browsing Chemical Engineering by Title
Now showing items 1057-1076 of 1141
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The stabilizing effect of expanded graphite on the artificial aging of shape stabilized phase change materials
( Elsevier Ltd , 2015 , Article)Artificial aging of Shape Stabilized Phase Change Materials (SSPCM) based on linear low density polyethylene (LLDPE) and paraffin wax (W) modified with various amounts of expanded graphite (EG) was investigated and reported ... -
Theoretical Studies of a Silica Functionalized Acrylamide for Calcium Scale Inhibition
( MDPI , 2022 , Article)The calcium carbonate (CaCO3 ) scale is one of the most common oilfield scales and oil and gas production bane. CaCO3 scale can lead to a sudden halt in production or, worst-case scenario, accidents; therefore, CaCO3 scale ... -
Theoretical studies of methane adsorption on Silica-Kaolinite interface for shale reservoir application
( Elsevier B.V. , 2021 , Article)Shale gas is mostly made up of methane and is currently being exploited in fulfilling the world's energy demands. Density Functional Theory (DFT) and Molecular Dynamics (MD) techniques are employed for understanding methane ... -
Theoretical study on amino acid-based ionic pairs and their interaction with carbon nanostructures
( American Chemical Society , 2014 , Article)Quantum chemistry methods were used to analyze the properties of ionic pairs formed by combination of the 1-ethyl-3-methylimidazolium cation with anions derived from alanine, glycine, serine, and phenylalanine amino acids, ... -
Theoretical study on the solvation of C60 fullerene by ionic liquids
( American Chemical Society , 2014 , Article)The solvation of C60 fullerene by 24 different ionic liquids belonging to the imidazolium, piperazinium, and cholinium families was analyzed from a nanoscopic viewpoint using classic molecular dynamics simulations and ... -
Thermal conductivity and latent heat thermal energy storage properties of LDPE/wax as a shape-stabilized composite phase change material
(2014 , Article)Phase change material (PCM) composites based on low-density polyethylene (LDPE) with paraffin waxes were investigated in this study. The composites were prepared using a meltmixing method with a Brabender-Plastograph. The ... -
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 ... -
Thermal insitu analyses of multicomponent pyrophosphate cathodes materials
( Electrochemical Science Group , 2015 , Article)Development of secondary batteries based on abundant and inexpensive elements are vital. Amongvarious alternative choices, sodium-ion batteries (NIBs) are promising because of plentiful resourcesand low costs of sodium ... -
Thermal properties of phase-change materials based on high-density polyethylene filled with micro-encapsulated paraffin wax for thermal energy storage
( Elsevier Ltd , 2015 , Article)Microcapsules consisting of paraffin wax cores with a melting point of approximately 42 °C and a melamine-formaldehyde resin shell were synthesized using in situ polymerization. These microcapsules have a uniform distribution ... -
Thermal properties of smart microencapsulated paraffin/plaster composites for the thermal regulation of buildings
( Elsevier Ltd , 2015 , Article)Smart plaster composites were manufactured by mixing plaster with different amounts of Micronal? DS5001X microcapsules containing a paraffin mixture with a melting point of 26 �C to develop new construction materials with ... -
Thermocatalytic routes and reactor strategies for valorization of biodiesel-derived glycerol to fuels
( Elsevier , 2022 , Article)Glycerol is an oversupplied commodity from biodiesel production with beneficial properties for the synthesis of versatile utility biochemicals. The functional properties of glycerol with three hydroxyl groups could be ... -
Thermocatalytic splitting of CO2 into fuels using sol-gel derived ni-mg-ferrite
( American Institute of Chemical Engineers , 2019 , Conference Paper)In this work, we reports combination of metal cation (Ni+2 and Mg+2) as an active dopant into ferrite for two step thermochemical cycle for CO2 splitting into CO. All NMF materials were synthesized via sol gel method and ... -
Thermocatalytic splitting of CO2 using sol-gel synthesized Co-ferrite redox materials
( Elsevier Ltd , 2019 , Article)In this investigation, the redox reactivity of CoxFe3−xO4 materials was examined in multiple thermochemical CO2 splitting cycles. Sol-gel method was applied for the synthesis of CoxFe3−xO4 materials and the prepared gels ... -
Thermochemical CO2 splitting using a sol‐gel–synthesized Mg‐ferrite–based redox system
( John Wiley and Sons Ltd , 2019 , Article)The synthesis, characterization, and application of the MgxFe3−xO4 (MF) redox materials towards conversion of CO2 via thermochemical redox reactions are reported. Sol‐gel method was utilized for the synthesis of MF materials. ... -
Thermochemical conversion of H2O and CO2 into solar fuels via metal oxide based redox reaction
( AIChE , 2015 , Conference Paper)This paper reports the thermodynamic analysis of the production of solar syngas (a mixture of H2 and CO with molar ratio equal to 2: 1) via ZnO/Zn based thermochemical H2O and/or CO2 splitting redox reactions. Solar syngas ... -
Thermochemical copper Oxide - Copper sulfate water splitting cycle for solar hydrogen production
( TechConnect , 2016 , Conference Paper)In this paper, the solar thermochemical copper oxide - copper sulfate (CO-CS) water splitting cycle is thermodynamically investigated. CO-CS cycle consists of two steps: first step - exothermic oxidation of CuO via water ... -
Thermochemical dissociation of CO2 into renewable fuels via CexZryHfzO2 based redox reactions using concentrated solar energy
( AIChE , 2014 , Conference Paper)In this paper we report the co-precipitation synthesis of Ce0.75Zr0.125Hf0.125O2 redox material for the production of solar fuels via thermochemical H2O/CO2 splitting reaction. For the synthesis of Ce0.75Zr0.125Hf0.125O2 ... -
Thermochemical dissociation of CO2 into renewable fuels via CexZryHfzO2 based redox reactions using concentrated solar energy
( AIChE , 2014 , Conference Paper)In this paper we report the co-precipitation synthesis of Ce0.75Zr0.125Hf0.125O2 redox material for the production of solar fuels via thermochemical H2O/CO2 splitting reaction. For the synthesis of Ce0.75Zr0.125Hf0.125O2 ... -
Thermochemical H 2 production via solar driven hybrid SrO/SrSO 4 water splitting cycle
( Elsevier Ltd , 2019 , Article)This article reports the thermodynamic efficiency analysis of the strontium oxide strontium sulfate (SrO-SrS) water splitting cycle by applying the principles of the second law of thermodynamics and by utilizing the ... -
Thermochemical splitting of CO2 using Co-precipitation synthesized Ce0.75Zr0.2M0.05O2-δ (M = Cr, Mn, Fe, CO, Ni, Zn) materials
( Elsevier Ltd , 2019 , Article)This work reports the investigation of the redox reactivity of Ce0.75Zr0.2M0.05O2-δ (M = Cr, Mn, Fe, Ni, Co, Zn) materials towards thermochemical CO2 splitting (CS) cycle. The Ce0.75Zr0.2M0.05O2-δ materials were prepared ...