High capacity carbon dioxide absorbent solvent resistant to oxidative degradation
OwnerSafieh Karimi Vardanjaniinventor
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Abstract
An oxidation resistant absorbent for capturing carbon dioxide from a gas stream. The oxidation resistant absorbent includes an alkanolamine with a weight percent in a range of 10 wt. % to 35 wt. % to a total amount of the oxidation resistant absorbent, a base with a weight percent in a range of 1 wt. % to 15 wt. % to a total amount of the oxidation resistant absorbent, a plurality of nanoparticles with a weight percent in a range of 0.1 wt. % to 3 wt. % to a total amount of the oxidation resistant absorbent, and water.
Claims9
An oxidation resistant absorbent for capturing carbon dioxide from a gas stream, the oxidation resistant absorbent comprising:
- an alkanolamine comprising Monoethanolamine (MEA) with a weight percent of 30 wt. % to a total amount of the oxidation resistant absorbent;
- an alkali comprising Potassium hydroxide (KOH) with a weight percent of 5 wt. % to a total amount of the oxidation resistant absorbent;
- a plurality of nanoparticles, each respective nanoparticle comprising a silica nanoparticle coated with a layer of alumina, the plurality of nanoparticles being present in the oxidation resistant absorbent with a weight percent of 1.2 wt. % to a total amount of the oxidation resistant absorbent,
- wherein a remaining weight percent of the oxidation resistant absorbent consists of water.
An oxidation resistant absorbent for capturing carbon dioxide from a gas stream, the oxidation resistant absorbent comprising:
- an alkanolamine with a weight percent in a range of 10 wt. % to 35 wt. % to a total amount of the oxidation resistant absorbent;
- a base with a weight percent in a range of 1 wt. % to 15 wt. % to a total amount of the oxidation resistant absorbent;
- and
- a plurality of nanoparticles with a weight percent in a range of 0.1 wt. % to 3 wt. % to a total amount of the oxidation resistant absorbent.
Dependencies are inferred from the claim text.