Highly selective separation of C2H2 from CO2 by a new dichromate-based hybrid ultramicroporous material

Hayley S. Scott; Mohana Shivanna; Alankriti Bajpai; David G. Madden; Kai Jie Chen; Tony Pham; Katherine A. Forrest; Adam Hogan; Brian Space; John J.Perry Iv; Michael J. Zaworotko

doi:10.1021/acsami.6b15250

Highly selective separation of C₂H₂ from CO₂ by a new dichromate-based hybrid ultramicroporous material

Hayley S. Scott, Mohana Shivanna, Alankriti Bajpai, David G. Madden, Kai Jie Chen, Tony Pham, Katherine A. Forrest, Adam Hogan, Brian Space, John J.Perry Iv, Michael J. Zaworotko

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119 引用（Scopus）

摘要

A new hybrid ultramicroporous material, [Ni- (1,4-di(pyridine-2-yl)benzene)2(Cr₂O₇7)]n (DICRO-4-Ni-i), has been prepared and structurally characterized. Pure gas sorption isotherms and molecular modeling of sorbate- sorbent interactions imply strong selectivity for C₂H₂ over CO₂ (S_AC). Dynamic gas breakthrough coupled with temperature- programmed desorption experiments were conducted on DICRO-4-Ni-i and two other porous materials reported to exhibit high SAC, TIFSIX-2-Cu-i and MIL-100(Fe), using a C₂H₂/CO₂/He (10:5:85) gas mixture. Whereas CO₂/C₂H₂ coadsorption by MIL-100(Fe) mitigated the purity of trapped C₂H₂, negligible coadsorption and high SAC were observed for DICRO-4-Ni-i and TIFSIX-2-Cu-i.

源语言	英语
页（从-至）	33395-33400
页数	6
期刊	ACS Applied Materials and Interfaces
卷	9
期	39
DOI	https://doi.org/10.1021/acsami.6b15250
出版状态	已出版 - 4 10月 2017
已对外发布	是

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title = "Highly selective separation of C2H2 from CO2 by a new dichromate-based hybrid ultramicroporous material",

abstract = "A new hybrid ultramicroporous material, [Ni- (1,4-di(pyridine-2-yl)benzene)2(Cr2O77)]n (DICRO-4-Ni-i), has been prepared and structurally characterized. Pure gas sorption isotherms and molecular modeling of sorbate- sorbent interactions imply strong selectivity for C2H2 over CO2 (SAC). Dynamic gas breakthrough coupled with temperature- programmed desorption experiments were conducted on DICRO-4-Ni-i and two other porous materials reported to exhibit high SAC, TIFSIX-2-Cu-i and MIL-100(Fe), using a C2H2/CO2/He (10:5:85) gas mixture. Whereas CO2/C2H2 coadsorption by MIL-100(Fe) mitigated the purity of trapped C2H2, negligible coadsorption and high SAC were observed for DICRO-4-Ni-i and TIFSIX-2-Cu-i.",

keywords = "Acetylene, Adsorption, Carbon dioxide, Separation, Ultramicroporous materials",

author = "Scott, {Hayley S.} and Mohana Shivanna and Alankriti Bajpai and Madden, {David G.} and Chen, {Kai Jie} and Tony Pham and Forrest, {Katherine A.} and Adam Hogan and Brian Space and Iv, {John J.Perry} and Zaworotko, {Michael J.}",

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doi = "10.1021/acsami.6b15250",

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AU - Scott, Hayley S.

AU - Shivanna, Mohana

AU - Bajpai, Alankriti

AU - Madden, David G.

AU - Chen, Kai Jie

AU - Pham, Tony

AU - Forrest, Katherine A.

AU - Hogan, Adam

AU - Space, Brian

AU - Iv, John J.Perry

AU - Zaworotko, Michael J.

PY - 2017/10/4

Y1 - 2017/10/4

N2 - A new hybrid ultramicroporous material, [Ni- (1,4-di(pyridine-2-yl)benzene)2(Cr2O77)]n (DICRO-4-Ni-i), has been prepared and structurally characterized. Pure gas sorption isotherms and molecular modeling of sorbate- sorbent interactions imply strong selectivity for C2H2 over CO2 (SAC). Dynamic gas breakthrough coupled with temperature- programmed desorption experiments were conducted on DICRO-4-Ni-i and two other porous materials reported to exhibit high SAC, TIFSIX-2-Cu-i and MIL-100(Fe), using a C2H2/CO2/He (10:5:85) gas mixture. Whereas CO2/C2H2 coadsorption by MIL-100(Fe) mitigated the purity of trapped C2H2, negligible coadsorption and high SAC were observed for DICRO-4-Ni-i and TIFSIX-2-Cu-i.

AB - A new hybrid ultramicroporous material, [Ni- (1,4-di(pyridine-2-yl)benzene)2(Cr2O77)]n (DICRO-4-Ni-i), has been prepared and structurally characterized. Pure gas sorption isotherms and molecular modeling of sorbate- sorbent interactions imply strong selectivity for C2H2 over CO2 (SAC). Dynamic gas breakthrough coupled with temperature- programmed desorption experiments were conducted on DICRO-4-Ni-i and two other porous materials reported to exhibit high SAC, TIFSIX-2-Cu-i and MIL-100(Fe), using a C2H2/CO2/He (10:5:85) gas mixture. Whereas CO2/C2H2 coadsorption by MIL-100(Fe) mitigated the purity of trapped C2H2, negligible coadsorption and high SAC were observed for DICRO-4-Ni-i and TIFSIX-2-Cu-i.

KW - Acetylene

KW - Adsorption

KW - Carbon dioxide

KW - Separation

KW - Ultramicroporous materials

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M3 - 文章

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AN - SCOPUS:85032871949

SN - 1944-8244

VL - 9

SP - 33395

EP - 33400

JO - ACS Applied Materials and Interfaces

JF - ACS Applied Materials and Interfaces

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ER -

Highly selective separation of C2H2 from CO2 by a new dichromate-based hybrid ultramicroporous material

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Highly selective separation of C₂H₂ from CO₂ by a new dichromate-based hybrid ultramicroporous material