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Regeneration mechanisms of high-lithium content zirconates as CO2 capture sorbents: experimental measurements and theoretical investigations
By combining TGA and XRD measurements with theoretical calculations of the capture of CO 2 by lithium-rich zirconates (Li 8 ZrO 6 and Li 6 Zr 2 O 7 ), it has been demonstrated that the primary regeneration product during absorption/desorption cycling is in the form of Li 2 ZrO 3 . During absorption/...
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| Published in: | Physical chemistry chemical physics : PCCP 2015-09, Vol.17 (35), p.22543-22547 |
|---|---|
| Main Authors: | , |
| Format: | Article |
| Language: | English |
| Online Access: | Get full text |
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| Summary: | By combining TGA and XRD measurements with theoretical calculations of the capture of CO
2
by lithium-rich zirconates (Li
8
ZrO
6
and Li
6
Zr
2
O
7
), it has been demonstrated that the primary regeneration product during absorption/desorption cycling is in the form of Li
2
ZrO
3
. During absorption/desorption cycles, lithium-rich zirconates will be consumed and will not be regenerated. This result indicates that among known lithium zirconates, Li
2
ZrO
3
is the best sorbent for CO
2
capture.
During absorption/desorption cycles, lithium-rich zirconates (Li
8
ZrO
6
and Li
6
Zr
2
O
7
) will be consumed and will not be regenerated. Their primary regeneration product is in the form of Li
2
ZrO
3
. This result indicates that among known lithium zirconates, Li
2
ZrO
3
is the best sorbent for CO
2
capture. |
|---|---|
| ISSN: | 1463-9076 1463-9084 |
| DOI: | 10.1039/c5cp03968a |