Investigation of СО2 adsorption on amine-functionalized silicas and metal-organic polymers

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Adsorption properties of amine-functionalized mesoporous silica NH2-SBA-15, zeolite-like imidazole framework ZIF-8, and amine-functionalized metal-organic polymer NH2-MIL-53 have been investigated. Non-modified mesoporous adsorbent SBA-15 has a higher sorption capacity for CO2 than microporous ZIF-8, although microporous sample is characterized by a larger surface area and the values of total pore volume are close. When amine groups are present on the surface of the adsorbents, the chemical adsorption contributes more then the physical one. The adsorption capacity increases with increasing concentration of the functional groups which, in its turn, correlates with adsorbent surface area. Among the studied samples, the best adsorption properties demonstrate amine-functionalized adsorbents, aminefunctionalized mesoporous silica NH2-SBA-15, and amine-functionalized metal-organic polymer NH2-MIL-53.

作者简介

N. Mamonov

LLC “RN-RDC”

Email: MikhailovMN@rn-rdc.ru
俄罗斯联邦, Build. 2, 55/1 Leninsky prosp., Moscow, 119333

S. Mikhailov

LLC “RN-RDC”

Email: MikhailovMN@rn-rdc.ru
俄罗斯联邦, Build. 2, 55/1 Leninsky prosp., Moscow, 119333

G. Dzhungurova

LLC “RN-RDC”

Email: MikhailovMN@rn-rdc.ru
俄罗斯联邦, Build. 2, 55/1 Leninsky prosp., Moscow, 119333

A. Bessudnov

LLC “RN-RDC”

Email: MikhailovMN@rn-rdc.ru
俄罗斯联邦, Build. 2, 55/1 Leninsky prosp., Moscow, 119333

D. Grigor’ev

LLC “RN-RDC”

Email: MikhailovMN@rn-rdc.ru
俄罗斯联邦, Build. 2, 55/1 Leninsky prosp., Moscow, 119333

I. Bedrina

LLC “RN-RDC”

Email: MikhailovMN@rn-rdc.ru
俄罗斯联邦, Build. 2, 55/1 Leninsky prosp., Moscow, 119333

M. Mikhailov

LLC “RN-RDC”

编辑信件的主要联系方式.
Email: MikhailovMN@rn-rdc.ru
俄罗斯联邦, Build. 2, 55/1 Leninsky prosp., Moscow, 119333

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