Unexpectedly efficient SO2 capture and conversion to sulfur in novel imidazole-based deep eutectic solvents

Unexpectedly efficient SO2 capture and conversion to sulfur in novel imidazole-based deep eutectic solvents

An innovative strategy for sustainable SO2 capture and conversion in novel imidazole-based deep eutectic solvents (DESs) is demonstrated in this work. These DESs exhibit an extremely high SO2 loading capacity (up to 1.39 g g−1) and excellent reversibility (15 recycles). The absorbed SO2 can be rapid...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2018-08, Vol.54 (65), p.8964-8967
Hauptverfasser: Zhao, Tianxiang, Liang, Jian, Zhang, Yating, Wu, Youting, Hu, Xingbang
Format: Artikel
Sprache:eng
Schlagworte:
Additives
Conversion
Hydrogen sulfide
Imidazole
Solvents
Sulfur dioxide recovery
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Beschreibung
Zusammenfassung:An innovative strategy for sustainable SO2 capture and conversion in novel imidazole-based deep eutectic solvents (DESs) is demonstrated in this work. These DESs exhibit an extremely high SO2 loading capacity (up to 1.39 g g−1) and excellent reversibility (15 recycles). The absorbed SO2 can be rapidly converted in situ to sulphur (up to 99% conversion) in the presence of H2S at room temperature without any additives.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc04349c