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Abstract
Mercury scrubbing from gas streams using a supported 1-butyl-3-methylimidazolium chlorocuprate(II) ionic liquid ([C4mim]2[Cu2Cl6]) has been studied using operando EXAFS. Initial oxidative capture as [HgCl3]– anions was confirmed, this was then followed by the unanticipated generation of mercury(I) chloride through comproportionation with additional mercury from the gas stream. Combining these two mechanisms leads to net one electron oxidative extraction of mercury from the gas with increased potential capacity and efficiency for supported ionic liquid mercury scrubbers.
Original language | English |
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Pages (from-to) | 18946-18953 |
Number of pages | 8 |
Journal | Dalton Transactions |
Volume | 45 |
Issue number | 47 |
Early online date | 09 Nov 2016 |
DOIs | |
Publication status | Published - 2016 |
Keywords
- Mercury
- ionic liquid
- EXAFS
- HycaPure
ASJC Scopus subject areas
- Inorganic Chemistry
- Spectroscopy
- Physical and Theoretical Chemistry
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