Synthesis of a Porous Nano‐CaO/MgO‐Based CO 2 Adsorbent

A porous nano‐CaO/MgO‐based adsorbent was prepared using MgO as a support in order to increase the sorption capacity and durability. The magnesium sol prepared by reacting MgO slurry with citric acid was added to nano‐CaCO 3 slurry and the mixture was calcinated to obtain the nano‐CaO/MgO‐based adso...

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Veröffentlicht in:Chemical engineering & technology 2014-04, Vol.37 (4), p.580-586
Hauptverfasser: Lan, Peiqiang, Wu, Sufang
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description A porous nano‐CaO/MgO‐based adsorbent was prepared using MgO as a support in order to increase the sorption capacity and durability. The magnesium sol prepared by reacting MgO slurry with citric acid was added to nano‐CaCO 3 slurry and the mixture was calcinated to obtain the nano‐CaO/MgO‐based adsorbent. The influence of MgO content on the structure and sorption performance of the resulting adsorbent was studied in detail. The pore radius and specific surface area of the adsorbent increased with higher MgO content. The adsorbent exhibited superior sorption performance during calcium looping and maintained a good durability at the calcination temperature, thus being an interesting candidate for future work.
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title Synthesis of a Porous Nano‐CaO/MgO‐Based CO 2 Adsorbent
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