Cited by 57Zeolite Catalysis and SynthesisMembrane Separation and Gas TransportMetal-Organic Frameworks: Synthesis and Applications

The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.

Molecular Sieves for the Separation of Hydrogen Isotopes

Open access
Perez-Carbajo, Julio, Parra, José B., Ania, Conchi O., Merkling, Patrick J., Calero, Sofia·2019·ACS Applied Materials & Interfaces

Abstract

Stable molecular hydrogen isotopes, D 2 and T 2, are both scarce and essential in several energy, industrial, and large-scale fundamental research applications. Due to the chemical similarity of these isotopes, their extraction and purification from hydrogen has relied for decades on expensive and energy-demanding processes. However, factoring in the phenomenon of quantum sieving could provide a new route for these separations. In this work, we have explored how to separate hydrogen isotopes by adsorption taking these quantum effects into account. To this end, we have conducted adsorption measurements to test our deuterium model and performed a widespread computational screening over 210 pure-silica zeolites for D 2 /H 2 and T 2 /H 2 separations. Based on low-coverage adsorption properties, a reduced set of zeolites have been singled out and their performance in terms of adsorption capacity, selectivity, and dynamic behavior have been assessed. Overall, the BCT-type zeolite clearly stands out for highly selective separations of both D 2 and T 2 over H 2, achieving the highest reported selectivities at cryogenic temperatures. We also identified other interesting zeolites for the separation of hydrogen isotopes that offer an alternative way to tackle similar isotopic separations by an aimed selection or design of porous materials.

Overview

Integrity signals

Registry

Crossref · 10.1021/acsami.9b02736

Cites

55 of 55 references verified0 citation errors · 0 not checkable

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  • Deuterium (as heavy water) is used as a neutron moderator in chemical reactors, as an isotopic tracer, and for production of deuterated chemicals and drugs.

    “Deuterium (in the form of heavy water) is used as a neutron moderator in chemical reactors, as an isotopic tracer, and for the production of deuterated chemicals and drugs.342,383,384”
  • The separation of hydrogen isotopes (H2, D2, T2) is of current industrial interest and is especially challenging.

    “The separation of the isotopes of hydrogen, i.e., H2, D2, and T2, is of current interest to the industry and represents an especially challenging case of separation.342”
  • In zeolites and zeotypes proposed for quantum sieving, all materials present small pores, i.e., 8-rings and minimum pore openings below 4.1 Å, preferably below 3.3 Å.

    “In the case of zeolites and zeotypes, all of the proposed materials present small pores, i.e., 8-rings and minimum pore openings below 4.1 Å, preferably below 3.3 Å.342”

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Research works printed but not linked: 1

  1. Greenwood N., 1997, Chemistry of the Elements

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Metadata

Authors
Perez-Carbajo, J., Parra, J. B., Ania, C. O., Merkling, P. J., & Calero, S.
Affiliations
  • Universidad Pablo de Olavide (ES)
  • Consejo Superior de Investigaciones Científicas (ES)
  • Université d'Orléans (FR)
  • Department of Physical, Chemical, and Natural Systems, Universidad Pablo de Olavide, Ctra. Utrera km 1, 41013 Seville, Spain
Venue
ACS Applied Materials & Interfaces
Published
2019-04-25
Volume
11
Issue
20
Pages
18833-18840
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
OpenAlex
W2941642041
Cited by
56
References
55
Citations by year
2026: 7 · 2025: 5 · 2024: 9 · 2023: 6 · 2022: 11 · 2021: 7 · 2020: 10 · 2019: 1
FWCI
2.71
Type
journal article
Language
en
Open access
Locations
  • ACS Applied Materials & Interfaces (publishedVersion)
  • PubMed (publishedVersion)
  • TU/e Research Portal (submittedVersion)
  • HAL (submittedVersion, other-oa)
  • HAL (submittedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by-nc-nd)
  • RIO (Universidad Pablo de Olavide) (submittedVersion)
Funders
FP7 Ideas: European Research Council (ERC2011-StG-279520-RASPA)
Topics
  • Physical Sciences › Chemistry › Inorganic Chemistry › Zeolite Catalysis and Synthesis
  • Physical Sciences › Chemical Engineering › Filtration and Separation › Membrane Separation and Gas Transport
  • Physical Sciences › Chemistry › Inorganic Chemistry › Metal-Organic Frameworks: Synthesis and Applications
Keywords
hydrogen isotope separation, deuterium, tritium, quantum sieving, molecular sieves, siliceous zeolites, adsorption selectivity, low coverage adsorption, cryogenic adsorption

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