Redox cycle stability of mixed oxides used for hydrogen generation in the cyclic water gas shift process

- Fe2O3 modified with CaO, SiO2 and Al2O3 was studied in cyclic water gas shift reactor.
- For the first time stability of such oxides were tested for 100 redox cycles.
- Optimally added oxides significantly improved the activity and the stability of Fe2O3.
- Increased stability was attributed to the impediment of neck formation.