Sorbent articles for CO 2 capture
First Claim
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1. A sorbent article for removing CO2 from a gas, the article comprising:
- a substrate comprising porous channel walls which intersect to define a plurality of open channels extending from an inlet end of the substrate to an outlet end of the substrate; and
an organic-inorganic hybrid sorbent material distributed on a surface of the open channels;
wherein the sorbent material is derived from an amino-functionalized alkoxysilane and a silylated polyamine;
wherein the sorbent material is present in an amount equal to or greater than 10 g/l;
wherein at least some of the sorbent material resides in the porous channel walls and forms CO2 adsorption sites within an interior of the porous channel walls; and
wherein the organic-inorganic hybrid sorbent material has a microstructural homogeneity.
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Abstract
A sorbent article having a substrate having porous channel walls defining open channels, and an organic-inorganic hybrid sorbent material distributed on a surface of the porous channel walls, wherein the sorbent material is derived from an amino-functionalized alkoxysilane and a polyamine, wherein the sorbent material is present in an amount equal to or greater than 10 g/l, wherein at least some of the sorbent material resides in the porous channel walls and forms CO2 adsorption sites within the interior of the porous channel walls. The article may be useful, for example, for removing CO2 from a gas.
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Citations
8 Claims
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1. A sorbent article for removing CO2 from a gas, the article comprising:
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a substrate comprising porous channel walls which intersect to define a plurality of open channels extending from an inlet end of the substrate to an outlet end of the substrate; and an organic-inorganic hybrid sorbent material distributed on a surface of the open channels; wherein the sorbent material is derived from an amino-functionalized alkoxysilane and a silylated polyamine; wherein the sorbent material is present in an amount equal to or greater than 10 g/l; wherein at least some of the sorbent material resides in the porous channel walls and forms CO2 adsorption sites within an interior of the porous channel walls; and wherein the organic-inorganic hybrid sorbent material has a microstructural homogeneity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification