Thermodynamic Analysis of Syngas Production via the Solar Thermochemical Cerium Oxide Redox Cycle with Methane-Driven Reduction

2014 ◽  
Vol 28 (6) ◽  
pp. 4088-4095 ◽  
Author(s):  
Peter T. Krenzke ◽  
Jane H. Davidson
Keyword(s):  
Cerium Oxide ◽  
Thermodynamic Analysis ◽  
Redox Cycle ◽  
Syngas Production ◽  
Solar Thermochemical

scholarly journals Solar thermochemical splitting of CO2 into separate streams of CO and O2 with high selectivity, stability, conversion, and efficiency

2017 ◽  
Vol 10 (5) ◽  
pp. 1142-1149 ◽  
Author(s):  
Daniel Marxer ◽  
Philipp Furler ◽  
Michael Takacs ◽  
Aldo Steinfeld
Keyword(s):  
Solar Radiation ◽  
High Selectivity ◽  
Redox Cycle ◽  
Solar Reactor ◽  
Reactor Technology ◽  
Concentrated Solar Radiation ◽  
Solar Thermochemical

Solar reactor technology for splitting CO2via a 2-step thermochemical redox cycle using concentrated solar radiation.

A Thermochemical Study of Iron Aluminate-Based Materials: A Preferred Class for Isothermal Water Splitting

2022 ◽  
Author(s):  
Kent John Warren ◽  
Justin T. Tran ◽  
Alan W. Weimer
Keyword(s):  
Water Splitting ◽  
Thermochemical Study ◽  
Redox Cycle ◽  
Renewable Fuel ◽  
Solar Thermochemical ◽  
Isothermal Water

The use of hydrogen as a renewable fuel has been stymied by our inability to produce it cleanly and economically. The conventional solar thermochemical approach considers a two-step redox cycle...

Structural Rearrangement in LSM Perovskites for Enhanced Syngas Production via Solar Thermochemical Redox Cycles

ACS Catalysis ◽  
2020 ◽  
Vol 10 (15) ◽  
pp. 8263-8276
Author(s):  
Asim Riaz ◽  
Takuya Tsuzuki ◽  
Felipe Kremer ◽  
Suchinda Sattayaporn ◽  
Muhammad Umair Ali ◽  
...  
Keyword(s):  
Structural Rearrangement ◽  
Syngas Production ◽  
Redox Cycles ◽  
Solar Thermochemical

Process Modelling, Thermodynamic Analysis and Optimization of Dry Reforming, Partial Oxidation and Auto-Thermal Methane Reforming for Hydrogen and Syngas production

2015 ◽  
Vol 10 (4) ◽  
pp. 211-220 ◽  
Author(s):  
Bamidele V. Ayodele ◽  
Chin Kui Cheng
Keyword(s):  
Hydrogen Production ◽  
Thermodynamic Analysis ◽  
Partial Oxidation ◽  
Desirability Function ◽  
Experimental Studies ◽  
Dry Reforming ◽  
Process Modelling ◽  
Syngas Production ◽  
Aspen Hysys ◽  
Partial Oxidation Reforming

Abstract In this work, process modelling, thermodynamic analysis and optimization of stand-alone dry and partial oxidation reforming of methane as well as, the auto-thermal reforming processes were investigated. Firstly, flowsheet models were developed for both the stand-alone systems and auto-thermal reforming process using ASPEN HYSYS®. Furthermore, thermodynamic studies were conducted for the stand-alone and auto-thermal reforming processes for temperatures range of 200–1000°C and pressure range of 1–3 bar using Gibbs free energy minimization methods which was also performed using ASPEN HYSYS®. The simulation of the auto-thermal reforming process was also performed at 20 bar to mimic industrial process. Process parameters were optimized in the combined reforming process for hydrogen production using desirability function. The simulation results show that 84.60 kg/h, 62.08 kg/h and 154.7 kg/h of syngas were produced from 144 kg/h, 113 kg/h and 211 kg/h of the gas fed into the Gibbs reactor at CH4/CO2/O2 ratio 1:1:1 for the stand-alone dry reforming, partial oxidation reforming and auto-thermal processes respectively. Equilibrium conversion of CH4, CO2, O2 were thermodynamically favoured between 400 and 800°C with highest conversions of 100%, 95.9% and 86.7% for O2, CO2 and CH4 respectively. Highest yield of 99% for H2 and 40% for CO at 800°C was obtained. The optimum conditions for hydrogen production were obtained at CH4/CO2, CH4/O2 ratios of 0.634, 0.454 and temperature of 800°C respectively. The results obtained in this study corroborate experimental studies conducted on auto-thermal reforming of methane for hydrogen and syngas production.

scholarly journals In situ encapsulation of iron(0) for solar thermochemical syngas production over iron-based perovskite material

2018 ◽  
Vol 1 (1) ◽  
Author(s):  
Chuande Huang ◽  
Jian Wu ◽  
You-Tao Chen ◽  
Ming Tian ◽  
Alexandre I. Rykov ◽  
...  
Keyword(s):  
Syngas Production ◽  
Perovskite Material ◽  
Iron Based ◽  
Solar Thermochemical
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