CO2, CH4, and H2 Adsorption Performance of the Metal-Organic Framework HKUST-1 by Modified Synthesis Strategies

Hussein Rasool Abid; Aamir Hanif; Alireza Keshavarz; Jin Shang; Stefan Iglauer

doi:10.1021/acs.energyfuels.2c04303

CO₂, CH₄, and H₂ Adsorption Performance of the Metal-Organic Framework HKUST-1 by Modified Synthesis Strategies

Hussein Rasool Abid^*
, Aamir Hanif
, Alireza Keshavarz
, Jin Shang^*
, Stefan Iglauer

^*Corresponding author for this work

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

31 Scopus citations

Abstract

High-pressure adsorption of CO₂, H₂, and CH₄ has several applications, including CO₂ capture, methane, and hydrogen storage. The performance ultimately depends on the adsorbent design. Herein, we report a comparative assessment of a Cu-metal-organic framework (MOF) (HKUST-1) by conventional hydrothermal synthesis and its modified analogues, HKUST-N with NH₄OH and HKUST-Ca with Ca(NO₃)₂, for CO₂, CH₄, and H₂ adsorption. The materials showed high CO₂ (12 mol/Kg), CH₄ (2.5-4 mol/Kg), and H₂ (0.4-0.8 mol/Kg) capacities at 50 bar. Owing to different synthesis strategies, the differences in surface area, pore size distribution, morphology, and the presence of calcium species in HKUST-Ca considerably impacted CH₄ and H₂ adsorption, leading to considerable differences in selectivities for various gas mixtures. This work establishes a clear correlation of subtle modifications in synthesis strategies of the MOF HKUST-1 on its morphological characteristics and CO₂, CH₄, and H₂ adsorption performance.

Original language	English
Pages (from-to)	7260-7267
Number of pages	8
Journal	Energy and Fuels
Volume	37
Issue number	10
DOIs	https://doi.org/10.1021/acs.energyfuels.2c04303
State	Published - 18 May 2023
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2023 American Chemical Society.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy
SDG 13 Climate Action

ASJC Scopus subject areas

General Chemical Engineering
Fuel Technology
Energy Engineering and Power Technology

Access to Document

10.1021/acs.energyfuels.2c04303

Cite this

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title = "CO2, CH4, and H2 Adsorption Performance of the Metal-Organic Framework HKUST-1 by Modified Synthesis Strategies",

abstract = "High-pressure adsorption of CO2, H2, and CH4 has several applications, including CO2 capture, methane, and hydrogen storage. The performance ultimately depends on the adsorbent design. Herein, we report a comparative assessment of a Cu-metal-organic framework (MOF) (HKUST-1) by conventional hydrothermal synthesis and its modified analogues, HKUST-N with NH4OH and HKUST-Ca with Ca(NO3)2, for CO2, CH4, and H2 adsorption. The materials showed high CO2 (12 mol/Kg), CH4 (2.5-4 mol/Kg), and H2 (0.4-0.8 mol/Kg) capacities at 50 bar. Owing to different synthesis strategies, the differences in surface area, pore size distribution, morphology, and the presence of calcium species in HKUST-Ca considerably impacted CH4 and H2 adsorption, leading to considerable differences in selectivities for various gas mixtures. This work establishes a clear correlation of subtle modifications in synthesis strategies of the MOF HKUST-1 on its morphological characteristics and CO2, CH4, and H2 adsorption performance.",

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T1 - CO2, CH4, and H2 Adsorption Performance of the Metal-Organic Framework HKUST-1 by Modified Synthesis Strategies

AU - Abid, Hussein Rasool

AU - Hanif, Aamir

AU - Keshavarz, Alireza

AU - Shang, Jin

AU - Iglauer, Stefan

PY - 2023/5/18

Y1 - 2023/5/18

N2 - High-pressure adsorption of CO2, H2, and CH4 has several applications, including CO2 capture, methane, and hydrogen storage. The performance ultimately depends on the adsorbent design. Herein, we report a comparative assessment of a Cu-metal-organic framework (MOF) (HKUST-1) by conventional hydrothermal synthesis and its modified analogues, HKUST-N with NH4OH and HKUST-Ca with Ca(NO3)2, for CO2, CH4, and H2 adsorption. The materials showed high CO2 (12 mol/Kg), CH4 (2.5-4 mol/Kg), and H2 (0.4-0.8 mol/Kg) capacities at 50 bar. Owing to different synthesis strategies, the differences in surface area, pore size distribution, morphology, and the presence of calcium species in HKUST-Ca considerably impacted CH4 and H2 adsorption, leading to considerable differences in selectivities for various gas mixtures. This work establishes a clear correlation of subtle modifications in synthesis strategies of the MOF HKUST-1 on its morphological characteristics and CO2, CH4, and H2 adsorption performance.

AB - High-pressure adsorption of CO2, H2, and CH4 has several applications, including CO2 capture, methane, and hydrogen storage. The performance ultimately depends on the adsorbent design. Herein, we report a comparative assessment of a Cu-metal-organic framework (MOF) (HKUST-1) by conventional hydrothermal synthesis and its modified analogues, HKUST-N with NH4OH and HKUST-Ca with Ca(NO3)2, for CO2, CH4, and H2 adsorption. The materials showed high CO2 (12 mol/Kg), CH4 (2.5-4 mol/Kg), and H2 (0.4-0.8 mol/Kg) capacities at 50 bar. Owing to different synthesis strategies, the differences in surface area, pore size distribution, morphology, and the presence of calcium species in HKUST-Ca considerably impacted CH4 and H2 adsorption, leading to considerable differences in selectivities for various gas mixtures. This work establishes a clear correlation of subtle modifications in synthesis strategies of the MOF HKUST-1 on its morphological characteristics and CO2, CH4, and H2 adsorption performance.

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