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Diammonium-Pillared MOPS with Dynamic CO2 Selectivity

Title data

Rieß, Martin ; Siegel, Renée ; Senker, Jürgen ; Breu, Josef:
Diammonium-Pillared MOPS with Dynamic CO2 Selectivity.
In: Cell Reports Physical Science. Vol. 1 (October 2020) Issue 10 . - No. 100210.
ISSN 2666-3864
DOI: https://doi.org/10.1016/j.xcrp.2020.100210

Abstract in another language

The climate challenge calls for the design of energy-efficient CO2-separation materials. CO2-selective solid physisorbents are characterized by a low energy penalty and enable the most promising and energy-efficient CO2 separation technologies by applying vacuum swing adsorption (VSA). Here, we show that a diammonium-pillared microporous organically pillared layered silicate 7 (MOPS-7) represents a CO2-selective physisorbent, synthesized by simple ion exchange of an inexpensive clay, This MOPS provides high dynamic, reversible, and reproducible CO2 uptakes and selectivities proven in dynamic breakthrough experiments mimicking flue gas, natural gas, and biogas conditions. The selective interaction with CO2 is dominated by the multipole interactions with the microporous hybrid material. Thus, the energy penalty attributed to regeneration is intrinsically reduced. The simplicity and modularity of pillaring low-budget and environmentally friendly clays, combined with industrially capable performance with respect to thermal stability, high dynamic CO2 adsorption selectivity, and energy-efficient restoration renders MOPS-7 a highly attractive CO2 adsorbent.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Physisorption; MOPS; Separation; Selectivity; Dynamic breakthrough; CO2; Energy penalty; Diammonium; Solid adsorbents; Kinetics
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry I > Chair Inorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry III > Chair Inorganic Chemistry III - Univ.-Prof. Dr. Jürgen Senker
Research Institutions > Research Centres > Nordbayerisches Zentrum für NMR-Spektroskopie - NMR-Zentrum
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 540 Chemistry
Date Deposited: 13 Oct 2021 09:06
Last Modified: 13 Oct 2021 09:07
URI: https://eref.uni-bayreuth.de/id/eprint/67309