Solvent-free and mechanochemical synthesis of N-doped mesoporous carbon from tannin and related gas sorption property

Jiahua Zhao; Weida Shan; Pengfei Zhang; Sheng Dai

doi:10.1016/j.cej.2019.122579

Solvent-free and mechanochemical synthesis of N-doped mesoporous carbon from tannin and related gas sorption property

Jiahua Zhao, Weida Shan, Pengfei Zhang, Sheng Dai

Chemical Sciences Division

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

Abstract

The commercialization of nitrogen-doped mesoporous carbons (N-doped MCs) is highly pursued by chemical engineers. This paper focuses on the clean and simple synthesis of N-doped MCs via mechanochemistry and their applications in gas sorption. Biomass tannin as the carbon precursor together with various natural nitrogen sources was assembled with F127 by ball milling in solid-state, and then directly carbonized into N-doped MCs with tunable nitrogen contents (up to 9.7 wt%), high surface area (up to 707 m²g⁻¹), large pore size (~8 nm), narrow pore size distribution and high pore volume (up to 0.78 cm³g⁻¹). The CO₂/N₂ and C2/C3 light hydrocarbon static adsorption experiments by N-doped MCs showed a higher CO₂ adsorption capacity and a better adsorption selectivity, in comparison to the control sample without nitrogen species. The IAST separation selectivity of CO₂/N₂ (15:85, v/v) could be about 30, meanwhile the preferred selectivity for gas molecules of alkyne was also observed.

Original language	English
Article number	122579
Journal	Chemical Engineering Journal
Volume	381
DOIs	https://doi.org/10.1016/j.cej.2019.122579
State	Published - Feb 1 2020

Bibliographical note

Publisher Copyright:
© 2019 Elsevier B.V.

Funding

S. D. was supported by the Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, US Department of Energy. P.F.Z. and J. H. Z. acknowledge Shanghai Pujiang Program (Grant No. 17PJ1403500 ), Thousand Talent Program, National Natural Science Foundation of China (Grant No. 21776174 ) and the Open Foundation of the State Key Laboratory of Ocean Engineering (Shanghai Jiao Tong University of China) (No. 1809 ) for the support .

Funders	Funder number
Office of Basic Energy Sciences
Shanghai Pujiang Program	17PJ1403500
Thousand Talent Program
US Department of Energy
Chemical Sciences, Geosciences, and Biosciences Division
National Natural Science Foundation of China	21776174
Shanghai Jiao Tong University	1809
State Key Laboratory of Ocean Engineering

Keywords

CO adsorption
Mechanochemical synthesis
Mesoporous carbon
Nitrogen-doped carbon
Ordered mesoporous carbon

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abstract = "The commercialization of nitrogen-doped mesoporous carbons (N-doped MCs) is highly pursued by chemical engineers. This paper focuses on the clean and simple synthesis of N-doped MCs via mechanochemistry and their applications in gas sorption. Biomass tannin as the carbon precursor together with various natural nitrogen sources was assembled with F127 by ball milling in solid-state, and then directly carbonized into N-doped MCs with tunable nitrogen contents (up to 9.7 wt%), high surface area (up to 707 m2g−1), large pore size (~8 nm), narrow pore size distribution and high pore volume (up to 0.78 cm3g−1). The CO2/N2 and C2/C3 light hydrocarbon static adsorption experiments by N-doped MCs showed a higher CO2 adsorption capacity and a better adsorption selectivity, in comparison to the control sample without nitrogen species. The IAST separation selectivity of CO2/N2 (15:85, v/v) could be about 30, meanwhile the preferred selectivity for gas molecules of alkyne was also observed.",

keywords = "CO adsorption, Mechanochemical synthesis, Mesoporous carbon, Nitrogen-doped carbon, Ordered mesoporous carbon",

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AU - Shan, Weida

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PY - 2020/2/1

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N2 - The commercialization of nitrogen-doped mesoporous carbons (N-doped MCs) is highly pursued by chemical engineers. This paper focuses on the clean and simple synthesis of N-doped MCs via mechanochemistry and their applications in gas sorption. Biomass tannin as the carbon precursor together with various natural nitrogen sources was assembled with F127 by ball milling in solid-state, and then directly carbonized into N-doped MCs with tunable nitrogen contents (up to 9.7 wt%), high surface area (up to 707 m2g−1), large pore size (~8 nm), narrow pore size distribution and high pore volume (up to 0.78 cm3g−1). The CO2/N2 and C2/C3 light hydrocarbon static adsorption experiments by N-doped MCs showed a higher CO2 adsorption capacity and a better adsorption selectivity, in comparison to the control sample without nitrogen species. The IAST separation selectivity of CO2/N2 (15:85, v/v) could be about 30, meanwhile the preferred selectivity for gas molecules of alkyne was also observed.

AB - The commercialization of nitrogen-doped mesoporous carbons (N-doped MCs) is highly pursued by chemical engineers. This paper focuses on the clean and simple synthesis of N-doped MCs via mechanochemistry and their applications in gas sorption. Biomass tannin as the carbon precursor together with various natural nitrogen sources was assembled with F127 by ball milling in solid-state, and then directly carbonized into N-doped MCs with tunable nitrogen contents (up to 9.7 wt%), high surface area (up to 707 m2g−1), large pore size (~8 nm), narrow pore size distribution and high pore volume (up to 0.78 cm3g−1). The CO2/N2 and C2/C3 light hydrocarbon static adsorption experiments by N-doped MCs showed a higher CO2 adsorption capacity and a better adsorption selectivity, in comparison to the control sample without nitrogen species. The IAST separation selectivity of CO2/N2 (15:85, v/v) could be about 30, meanwhile the preferred selectivity for gas molecules of alkyne was also observed.

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KW - Ordered mesoporous carbon

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Solvent-free and mechanochemical synthesis of N-doped mesoporous carbon from tannin and related gas sorption property

Abstract

Bibliographical note

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Keywords

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