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Purification of Hydrogen by Pressure Swing Adsorption
Abstract
Pressure swing adsorption (PSA) processes are used for the production of high purity hydrogen from steam methane reforming off-gas (SMROG) and refinery off-gases (ROG). A variety of commercial PSA processes for the production of H2 with or without a by-product (CO2 from SMROG), as well as PSA processes for direct production of ammonia synthesis gas (from SMROG), are reviewed. The equilibrium ad(de)sorption characteristics of the components of SMROG and ROG feed gas on an activated carbon, a zeolite, and a silica gel are reported, and the criteria for adsorbent selection in these PSA processes are discussed. Recent ideas to increase the H2 recovery from these PSA processes by integrating them with selective surface flow membranes or other PSA units are reviewed.
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“Hydrogen is primarily (>95%) produced in refineries, as a major component in steam methane reforming off-gas and refinery off-gas (SMROG and ROG, respectively).365,366”
From Zeolites in Adsorption Processes: State of the Art and Future Prospects (2022) · cites this paper as [366]
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Metadata
- Authors
- SIRCAR, S., & GOLDEN, T. C.
- Affiliations
- Air Products (United States) (US)
- ORCID
- SIRCAR, S.
- Venue
- Separation Science and Technology
- Publisher
- Informa UK Limited
- Published
- 2000-01-05
- Volume
- 35
- Issue
- 5
- Pages
- 667-687
- ISSN
- 0149-6395 (ISSN-L)
- 1520-5754
- OpenAlex
- W1998474834
- Cited by
- 570
- References
- 16
- Citations by year
- 2026: 30 · 2025: 37 · 2024: 40 · 2023: 50 · 2022: 39 · 2021: 45 · 2020: 42 · 2019: 43 · 2018: 34 · 2017: 16 · 2016: 25 · 2015: 18 · 2014: 16 · 2013: 19 · 2012: 23
- FWCI
- 9.91
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Separation Science and Technology (publishedVersion)
- Topics
- Physical Sciences › Chemical Engineering › Filtration and Separation › Carbon Dioxide Capture Technologies
- Physical Sciences › Chemical Engineering › Filtration and Separation › Membrane Separation and Gas Transport
- Physical Sciences › Chemistry › Inorganic Chemistry › Zeolite Catalysis and Synthesis
- Keywords
- hydrogen purification, pressure swing adsorption, ammonia synthesis gas, adsorption equilibrium, activated carbon, zeolites, silica gel, adsorbent selection, hydrogen recovery, carbon dioxide removal
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