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Thermodynamic analysis of Mg ~x~ Fe ~3‐x~ O ~4~ redox CO ~2~ conversion solar thermochemical cycle by Rahul R. Bhosale; Suliman Rashid is a scholarly article available to read on EtoBox.

What is Thermodynamic analysis of Mg ~x~ Fe ~3‐x~ O ~4~ redox CO ~2~ conversion solar thermochemical cycle about?

The solar-to-fuel energy conversion efficiency ( η solarÀtoÀfuel ) of the Mg x Fe 3-x O 4 (x = 0.2-1.0) based CO 2 splitting (CDS) cycle is estimated at steady reduction (T red ) and oxidation temperatures (T oxd ) equal to 1673 K and 1273 K, respectively. The efficiency analysis is performed using the experimental results reported in the sol-gel-derived Mg x Fe 3-x O 4 based CDS cycle. The redox nonstoichiometry allied with the Mg x Fe 3-x O 4 during the reduction (δ red ) and oxidation steps (δ oxd ) is determined based on the experimentally obtained results. Efficiency analysis is conducted by considering the heat energy required to heat inert sweep gas and CO 2 . Heat penalty allied with the separation of the inert sweep gas from O 2 and CO 2 from CO is also considered. The solid-to-solid heat recovery effectiveness (ε ss ) is assumed to be zero, whereas the gas-to-gas heat recovery effectiveness (ε gg ) kept steady at 0.5. The release of a high amount of O 2 and the production of an elevated CO level is responsible for the rise in the energy penalty associated with both separators.

Author

Rahul R. Bhosale; Suliman Rashid

Publisher

Hindawi Limited

Published

2021

Language

EN