Journal
POLYMERS
Volume 13, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/polym13081292
Keywords
Matrimid; mixed matrix membranes; zeolitic imidazolate framework; hydrogen recovery; gas separation
Categories
Funding
- Agencia Estatal de Investigacion [PID2019-104369RB-I00/AEI]
- European Regional Development Fund [HYLANTIC-EAPA_204/2016]
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Hydrogen recovery is a key focus in government-promoted energy transition guidelines due to its potential as an energy resource and the demand for energetically nonintensive recovery methods. The use of polymeric membranes in selective gas separations, particularly Matrimid(R) as a polyimide, has shown promise for selectively recovering hydrogen with relatively good performance. Research is ongoing to develop enhanced features and membrane fabrication procedures to improve the effectiveness of hydrogen recovery.
Hydrogen recovery is at the center of the energy transition guidelines promoted by governments, owing to its applicability as an energy resource, but calls for energetically nonintensive recovery methods. The employment of polymeric membranes in selective gas separations has arisen as a potential alternative, as its established commercial availability demonstrates. However, enhanced features need to be developed to achieve adequate mechanical properties and the membrane performance that allows the obtention of hydrogen with the required industrial purity. Matrimid(R), as a polyimide, is an attractive material providing relatively good performance to selectively recover hydrogen. As a consequence, this review aims to study and summarize the main results, mechanisms involved and advances in the use of Matrimid(R) as a selective material for hydrogen separation to date, delving into membrane fabrication procedures that increase the effectiveness of hydrogen recovery, i.e., the addition of fillers (within which ZIFs have acquired extraordinary importance), chemical crosslinking or polymeric blending, among others.
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