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CAPTURING CO2 WITH MGO AEROGELS
Impact/Purpose:
The objectives of this study are to determine and optimize MgO’s CO2 adsorption capacity in a simulated flue gas environment for implementation in various chemical and power plants, and to characterize the both the adsorption and desorption kinetics to determine the practicality and economic feasibility of using MgO aerogels as a CO2 capture medium for those industries. Some examples of industries that produce flue gases with a high concentration of CO2 are fossil fuel-fired power plants, industrial furnaces, amine plants, and cement plants.
Description:
CO2 capture from flue gas requires that the adsorbent be active at relatively low CO2 concentrations (3 – 13 vol%), high temperatures (~ 250ºC), and in the presence of many other gas species. These conditions will be simulated in the student designed reactor. The amount of CO2 adsorbed will be measured for MgO aerogels, commercially obtained crystalline MgO, and other commercially available CO2 adsorbents such as hydrotalcite and Na-doped alumina.