Impact of HF-Free Synthesis Modification on Purity and Adsorption Performances of MOF MIL-100(Fe) for Gas Capture and Energy Storage Applications
Source abstract
Abstract
The aim of this study is to investigate a green and efficient hydrothermal synthesis method for obtaining a high-purity MIL-100(Fe) metal–organic framework (MOF) without using hazardous HF acid or other toxic reagents. The influence of various synthesis conditions (reactant ratios and reaction times) and washing protocols on the MOF’s properties and crystallinity was investigated. Additionally, the adsorption capacities of the synthesized MIL-100(Fe) for hydrogen (H2), carbon dioxide (CO2), and water vapor were evaluated at different temperatures and pressures. By analyzing the adsorption behavior, this research study aims to assess the potential of this material for thermal or specific gas storage applications. MF-S1 synthesis, using less iron and water, produces the purest MIL-100(Fe), as confirmed by XRD and FTIR. MF-S1-W2, with additional washing, is ideal for gas adsorption due to its crystallinity, purity, and high surface area. It effectively stores hydrogen (0.25 wt.% at 5 °C), CO2 (32.6 wt.% at 5 °C), and water vapor (47.5 wt.% at 30 °C).
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Research context
OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Catalytic Processes in Materials Science · Industrial Gas Emission Control
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Engineering, University of Messina, Contrada di Dio, Sant’Agata, 98158 Messina, Italy
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