Journal
SEPARATION AND PURIFICATION TECHNOLOGY
Volume 282, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.seppur.2021.120029
Keywords
Hydrogen separation; Membrane technology; Polymer nanocomposites membranes; Gas permeability; Gas selectivity
Categories
Funding
- Ministry of Education, India
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This paper analyzes key rules regarding material engineering and separation mechanisms for improved hydrogen separation membranes, focusing on using different polymer membrane materials to design matrices with better characteristics. Research suggests that polymer nanocomposite membranes have the potential to compete with conventional methods.
The industrial gas hydrogen has showcased its utility in a variety of processes, including those in the steel and petrochemical industries. However, synthetically produced hydrogen contains other impurities and some unreacted substituents like CO2, N2, CH4, etc. that needs to stamp out. For this purpose, efficient and environmentally friendly, polymer membrane technology provides tremendous potential. The core objective of this paper is to analyze several key rules regarding material engineering and the separation mechanism used for the betterment of hydrogen separation membranes. In this review, we have highlighted the ongoing research using different polymer membrane materials to design matrices with better characteristics than the previous one. We have focused on different polymers which are involved as the main matrix while a variety of organic/inorganic particles are appended in the role of fillers to conquer the wellestablished trade-off. The principle criteria's are- (1) the phenomenology and regularities of hydrogen transfer through polymeric membranes, and (2) polymer membrane materials with favourable hydrogen separation properties in terms of permeability and selectivity. The results from the critical analysis of the published data over the potential of polymeric membranes towards hydrogen separation are also discussed. Furthermore, as per the conclusions of a thorough review, these polymer nanocomposite membranes can compete with or eventually replace the conventional approaches.
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