Synthesis and High Pressure Gas Separation Properties of Thin Metal-Organic Framework Membranes Synthesis and High Pressure Gas Separation Properties of Thin Metal-Organic Framework Membranes Metal-organic frameworks (MOFs) are a new group of nanoporous materials with interesting and desirable properties for gas and liquid separation applications. Recent work has shown promising results for making membranes from these materials. This project is directed towards the synthesis, characterization, and study of the separation properties of MOF-5 and Cu-BTC membranes with objectives to (1) develop synthesis methods for preparation of thin (less than 5 m), large pore MOF membranes, (2) identify an adequate method for characterizing the quality of the large pore MOF membranes, and (3) study the gas permeation and separation properties of the MOF membranes at high pressures. The membranes will be prepared by the secondary growth method with nano-sized MOF crystal seeds. A molecular probing method will be developed to quantify the quality of the MOF membranes prepared. Gas permeation and separation properties of CO2, N2 and H2 for the MOF-5 and Cu-BTC membranes will be studied in large pressure (up to 30 atm) and temperature (25-300oC) ranges and compared with available molecular simulation results. The project will address several major issues in MOF membrane synthesis and characterization. The combination of single gas permeation, binary separation, and molecular simulation results will provide a much better insight into the gas transport mechanisms of the MOF membranes. The results will become the basis for the practical use of MOF membranes for gas separation.
|Effective start/end date||1/1/11 → 8/31/14|
- ACS: Petroleum Research Fund: $100,000.00
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