Atmospheric environment

Synthesis, characterization and experimental investigation of Cu-BTC as CO2 adsorbent from flue gas

Jiangkun Xie , Naiqiang Yan , Zan Qu , Shijian Yang


Received June 02, 2011,Revised November 07, 2011, Accepted , Available online April 06, 2012

Volume 24,2012,Pages 640-644

Porous Cu-BTC material was synthesized by the solvothermal method. Powder X-ray diffraction (PXRD) was used to test the phase purity of the synthesized material and investigate its structural stability under the influence of flue gas components. The thermal stability of the material was determined through thermal gravimetric (TG) analysis. Scanning electron microscopy (SEM) was employed to study the microstructure of the material. Cu-BTC was demonstrated not only to have high CO2 adsorption capacity but also good selectivity of CO2 over N2 by means of packed bed tests. The adsorption capacity of Cu-BTC for CO2 was about 69 mL/g at 22°C. The influence of the main flue gas components on the CO2 capacity of the material were discussed as well.

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