Examination of Perovskite Structure CaMnO_3-δ with MgO Addition as Oxygen Carrier for Chemical Looping with Oxygen Uncoupling Using Methane and Syngas

Table 2

Experimental scheme for oxygen carriers’ reactivity test.

No. of cycles	Inert/reducing gas	𝑡CLOU	𝑡In	𝑡Red	𝑇Ox	𝑇Red/𝑇CLOU
		(s)	(s)	(s)	(°C)	(°C)
3	Nitrogen^a	360			900	900
3	Methane		60	20	950	950
3	Syngas		60	80	950	950
3	Nitrogen	360			900	900
1	Nitrogen	1800			900	1000

aThe oxygen concentration was measured during the inert periods in order to evaluate the ability of the oxygen carriers’ to release oxygen in the gas phase.