Identifying Optimal Zeolitic Sorbents for Sweetening of Highly Sour Natural Gas
Abstract
Raw natural gas is a complex mixture comprising methane, ethane, other hydrocarbons, hydrogen sulfide, carbon dioxide, nitrogen, and water. For sour gas fields, selective and energy‐efficient removal of H 2 S is one of the crucial challenges facing the natural‐gas industry. Separation using nanoporous materials, such as zeolites, can be an alternative to energy‐intensive amine‐based absorption processes. Herein, the adsorption of binary H 2 S/CH 4 and H 2 S/C 2 H 6 mixtures in the all‐silica forms of 386 zeolitic frameworks is investigated using Monte Carlo simulations. Adsorption of a five‐component mixture is utilized to evaluate the performance of the 16 most promising materials under close‐to‐real conditions. It is found that depending on the fractions of CH 4, C 2 H 6, and CO 2, different sorbents allow for optimal H 2 S removal and hydrocarbon recovery.
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Pure silica CHA and MFI zeolites are promising candidates for H2S removal.
“Promising candidates from these studies are pure silica CHA and MFI zeolites.587−589”
From Zeolites in Adsorption Processes: State of the Art and Future Prospects (2022) · cites this paper as [588]
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- Authors
- Shah, M. S., Tsapatsis, M., & Siepmann, J. I.
- Affiliations
- University of Minnesota (US)
- Department of Chemical Engineering and Materials Science University of Minnesota 421 Washington Avenue SE Minneapolis MN 55455-0132 USA
- Corresponding author
- Siepmann, J. Ilja
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2016-04-18
- Volume
- 55
- Issue
- 20
- Pages
- 5938-5942
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2338928407
- Cited by
- 61
- References
- 16
- Citations by year
- 2026: 4 · 2025: 7 · 2024: 12 · 2023: 4 · 2022: 4 · 2021: 8 · 2020: 2 · 2019: 11 · 2018: 3 · 2017: 5 · 2016: 1
- FWCI
- 2.62
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Angewandte Chemie International Edition (publishedVersion)
- PubMed (publishedVersion)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- Funders
- U.S. Department of Energy (DE-FG02-12ER16362, DE-AC02-06CH11357)
- Topics
- Physical Sciences › Chemistry › Inorganic Chemistry › Zeolite Catalysis and Synthesis
- Physical Sciences › Engineering › Mechanical Engineering › Membrane Separation and Gas Transport
- Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
- Keywords
- hydrogen sulfide removal, natural gas sweetening, zeolite adsorbents, all-silica zeolites, CO2 adsorption, Monte Carlo simulation, nanoporous materials, hydrocarbon recovery
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