Browsing Chemical Engineering by Title
Now showing items 1072-1091 of 1141
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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 ... -
Thermodynamic characterization of deepwater natural gas mixtures with heavy hydrocarbon content at high pressures
( Elsevier , 2015 , Article)This paper includes high-accuracy density measurements and phase envelopes for deepwater natural gas mixtures. Mixtures primarily consist of (0.88 and 0.94) mole fraction methane and both mixtures includes heavy components ... -
Thermodynamic efficiency analysis of zinc oxide based solar driven thermochemical H2O splitting cycle: Effect of partial pressure of O2, thermal reduction and H2O splitting temperatures
( Elsevier Ltd , 2018 , Article)In this paper, the thermodynamic efficiency analysis of ZnO-based solar-driven thermochemical H2O splitting cycle is performed and compared with the SnO2-based H2O splitting cycle. The HSC Chemistry 7.1 software is used ... -
Thermodynamic efficiency analysis of ZnO/Zn based solar thermochemical CH4 reforming and H2O splitting cycle
( Elsevier , 2020 , Article)The ZnO/Zn based CH4 reforming (MR) and H2O splitting (WS) process was thermody- namically scrutinized in this investigation. Two process arrangements i.e., ZnO/Zn based open (ZS) process and ZnO/Zn based semi-open (ZSH) ... -
Thermodynamic evaluation of hydrazine assisted glycerol reforming for syngas production and coke inhibition
( Elsevier Ltd , 2018 , Article)Thermodynamic investigation of glycerol reforming has been performed to study hydrogen production, carbon dioxide evolution and coke formation. Gibb's free energy direct minimization procedure was used to calculate the ... -
Thermodynamic exergy analysis of dysprosium oxide-based solar thermochemical water-splitting cycle
( Inderscience Publishers , 2017 , Article)The effect of water splitting temperature on the parameters required for the design of solar thermal reactor to conduct the dysprosium oxide based water splitting (Dy-WS) cycle was investigated by using the HSC Chemistry ... -
Thermodynamic investigation of hydrogen enrichment and carbon suppression using chemical additives in ethanol dry reforming
( Elsevier Ltd , 2016 , Article)In this study, a thermodynamic equilibrium analysis has been performed on ethanol dry reforming in presence of commonly used reducing agents such as glycine, hydrazine, urea and ammonia. The effect of these agents on ... -
Thermodynamic properties and performance evaluation of [EMIM] [DMP]-H2O working pair for absorption cooling cycle
( John Wiley and Sons Ltd , 2019 , Article)The combination of ionic liquid‐refrigerant based [EMIM][DMP]‐H2O as an alternative working pair for single effect vapor absorption cycles (VACs) is assessed and optimized by using energy and exergy based performances. ...