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

Table 1

Composition of Ca-Mn-Mg oxygen carriers.

Notation	Molar composition	Synthesis composition	Sintering temperature	Sintering time; (h)
		(wt%)
			(°C)
5.6% MgO	CaMn0.8Mg0.2O3	42.6% Mn3O4	1100, 1200, 1300	4
		51.8% Ca(OH)2
		5.6% MgO
2.7% MgO	CaMn0.9Mg0.1O3	46.8% Mn3O4	1100, 1200, 1300	4
		50.5% Ca(OH)2
		2.7% MgO