Mesoporous MgO sorbent promoted with KNO3 for CO2 capture at intermediate temperatures

Mesoporous magnesium oxide and its composites: Preparation, characterization, and removal of 2-chloroethyl ethyl sulfide

“…It has been reported that the calcination method can contribute to improved textural properties and sorption capacity [27]. In this study, the dried powder was calcined in a furnace under vacuum as follows: (1) ramping from room temperature to 220°C at 1°C/min and soaking at 220°C for 5 h, (2) ramping from 220 to 280°C at 0.8°C/min and soaking at 280°C for 1 h, (3) ramping from 280 to 350°C at 0.8°C/min and soaking at 350°C for 2 h, and (4) ramping from 350 to 450°C at 0.8°C/min and soaking at 450°C for 5 h. The aerogel magnesium oxide was obtained (denoted as AP-MgO) and stored in a glass bottle filled with N 2 .…”

Bench scale study of CO2 adsorption performance of MgO in the presence of water vapor

“…The results showed that 96.96% of MgO was converted to MgCO 3 at 350 C and CO 2 pressure of 10 bar. Vu et al synthesized mesoporous MgO sorbent promoted with KNO 3 using an aerogel method and investigated its CO 2 adsorption performance in the intermediate temperature range of 250e400 C [22]. The MgO sample showed a high CO 2 adsorption capacity of 13.9 wt% at 325 C and 120 min.…”

Factors Affecting the Rate of CO2Absorption after Partial Desorption in NaNO3-Promoted MgO

“…has promotional effect on the 47 absorption capacity of MgO. 12,13,14,15 They enhance the absorption rate of carbonation of MgO 48 manifold at temperatures above their melting points. The NaNO 3 /MgO absorbents prepared by 49…”