absorbent composition, method for its preparation and use thereof

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United States of America Patent

PATENT NO 9550147
APP PUB NO 20120134906A1
SERIAL NO

13382919

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Abstract

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A particulate, heterogeneous solid CO2 absorbent composition, comprising decomposition products of Ca3Al2O6 after having been heated to a temperature between 500° C. and 925° C. in the presence of H2O and CO2 for a period of time sufficient to allow the Ca3Al2O6 to react and form the particulate, heterogeneous absorbent composition which exhibits a higher concentration of aluminum than calcium in the particle core but a higher concentration of calcium than aluminum at the particle surface. The invention also comprises a method for preparing the particulate, heterogeneous product as well as a method for utilizing the composition for separating CO2 from a process gas.

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Patent Owner(s)

Patent OwnerAddress
ZEG POWER AS1325 LYSAKER

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mastin, Johann Oslo, NO 2 4
Meyer, Julien Oslo, NO 4 21
Raaheim, Arne Nannestad, NO 7 38

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