Browsing Chemical Engineering by Title
Now showing items 1057-1076 of 1133
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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 ... -
Thermochemical splitting of CO2 using solution combustion synthesized LaMO3 (where, M = Co, Fe, Mn, Ni, Al, Cr, Sr)
( Elsevier B.V. , 2020 , Article)The effort of this paper was to recognize the inclusion of appropriate dopants that will upgrade the redox reactivity of La-based perovskites. By maintaining the fuel (glycine) to metal nitrate ratio () = 1, the LaMO3 ... -
Thermochemical splitting of CO2 using solution combustion synthesized lanthanum-strontium-anganese perovskites
( Elsevier Ltd , 2021 , Article)Redox reactivity of La(1-x)SrxMnO3 (LSM) perovskites towards a solar thermochemical CO2 splitting (CS) cycle is investigated. The LSM perovskites are synthesized via a solution combustion synthesis (SCS) method using glycine ... -
Thermodynamic analysis and experimental validation of multi-composition ammonia liquor absorption engine cycle for power generation
( John Wiley and Sons Ltd , 2020 , Article)Energy conservation, utilization, and effective integration are of utmost importance for future sustenance. Accordingly, this work focuses on the generation of power from the low-grade temperature below 150°C. A proposed ... -
Thermodynamic analysis of EMISE-Water as a working pair for absorption refrigeration system
( Elsevier Ltd , 2019 , Article)In this paper, thermodynamic analysis of novel ionic liquid 1 Ethyl-3-methylimidazolium ethyl sulphate (EMISE) as absorbent and water as green refrigerant for absorption refrigeration system (ARS) is performed. Thermodynamics ... -
Thermodynamic analysis of Ni-ferrite based solar thermochemical H 2 O splitting cycle for H 2 production
( Elsevier Ltd , 2019 , Article)In this paper, a comprehensive thermodynamic analysis of Ni-ferrite based H 2 O splitting cycle is performed using HSC Chemistry 7.1 software and its thermodynamic database. The influence of partial pressure of O 2 (P O 2 ... -
Thermodynamic analysis of solar driven SnO2/SnO based thermochemical water splitting cycle
( Elsevier Ltd , 2017 , Article)There are many studies related on the SnO2/SnO based solar thermochemical water splitting cycle, however there are still no studies addressing on the detailed thermodynamic analysis of this process using HSC Chemistry ... -
Thermodynamic analysis of solar-driven chemical looping steam methane reforming over Cr2O3/Cr redox pair
( Elsevier Ltd , 2019 , Article)Thermodynamic analysis of the Cr2O3/Cr based CH4 reforming (MR) and water splitting (WS) cycle is conducted and the results obtained are reported in this paper. For this study, two process configurations are considered: ... -
Thermodynamic assessment of effect of ammonia, hydrazine and urea on water gas shift reaction
( Elsevier Ltd , 2022 , Article)In the present study, thermodynamic calculations have been carried out on water gas shift reaction in presence of some selected chemical additives such as ammonia, hydrazine, and urea to understand their impact on the ...