| Issue |
Korean Journal of Chemical Engineering,
Vol.36, No.8, 1267-1273, 2019
Vol.36, No.8, 1267-1273, 2019
Synergistic effect of blended primary and secondary amines functionalized onto the silica on CO2 capture performance
Amine-functionalized silica sorbents were synthesized by blending (3-aminopropyl)trimethoxysilane (1NSP) and [3-(methylamino)propyl]trimethoxysilane (1NS-S) of varying proportions and incorporating it in the support via incipient wetness technique. Adsorption characteristics were examined at a design adsorption temperature of 30 °C. The blended amine adsorbents exhibited higher CO2 adsorption capacity (5.6-6.4 wt%) and CO2/N efficiency (0.47- 0.48) than 1NS-P and 1NS-S. Among the blended amine adsorbents synthesized in this work, 1NS-PS-50, which has 50% primary amine and 50% secondary amine, is the most ideal for post-combustion CO2 capture application because it has high CO2 adsorption capacity, high CO2/N efficiency, and better performance than its diamine counterpart, N- [3-(trimethoxysilyl)propyl]ethylenediamine.
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[Cited By]
- Li B, Li Y, Zhang W, Qian Y, Wang Z, Korean Journal of Chemical Engineering, 37(4), 688, 2020
- Sim TJ, Pacia RM, Ko YS, Korean Journal of Chemical Engineering, 37(9), 1515, 2020
- Dey R, Samanta A, Korean Journal of Chemical Engineering, 37(11), 1951, 2020
- Chen G, Wang F, Wang S, Ji C, Wang W, Dong J, Gao F, Korean Journal of Chemical Engineering, 38(1), 46, 2021
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