New Solid-Base Cu–MgO for CO2 Capture at 473 K and Removal of Nitrosamine

New Solid-Base Cu–MgO for CO2 Capture at 473 K and Removal of Nitrosamine

To fabricate a new solid base with high efficiency in the adsorption of CO2 at 473 K and catalytic activity in the degradation of nitrosamines, magnesium oxalate and copper nitrate are mixed with the assistance of microwave irradiation followed by calcination to immobilize CuO among MgO particles. T...

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Veröffentlicht in:ACS applied materials & interfaces 2016-11, Vol.8 (44), p.30193-30204
Hauptverfasser: Li, Yan Y, Dong, Xin Y. M, Sun, Xiao D, Wang, Ying, Zhu, Jian H
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container_issue 44
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container_title ACS applied materials & interfaces
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creator Li, Yan Y
Dong, Xin Y. M
Sun, Xiao D
Wang, Ying
Zhu, Jian H
description To fabricate a new solid base with high efficiency in the adsorption of CO2 at 473 K and catalytic activity in the degradation of nitrosamines, magnesium oxalate and copper nitrate are mixed with the assistance of microwave irradiation followed by calcination to immobilize CuO among MgO particles. The binary solid base CuO–MgO is thus moderately reduced to form the Cu-inserted MgO composite with highly exposed strong basic sites, and it can capture 34.6 mg g–1 of CO2 in the harsh instantaneous adsorption at 473 K and keep a high strong basicity while trapping the CO2 mixed with SO2 and NO. Besides this, the new solid base exhibits high activity in the removal of volatile nitrosamine N-nitrosopyrrolidine (NPYR), for the first time expanding the application of solid bases to environmental catalysis.
doi_str_mv 10.1021/acsami.6b09927
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title New Solid-Base Cu–MgO for CO2 Capture at 473 K and Removal of Nitrosamine
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