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US-2024408565-A1 · Dec 12, 2024 · US
Ultrafast catalytic CO2 capture catalyzed by a novel ultrasound-treated ionic liquid
US12168202B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12168202-B2 |
| Application number | US-202218049226-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 24, 2022 |
| Priority date | Feb 17, 2020 |
| Publication date | Dec 17, 2024 |
| Grant date | Dec 17, 2024 |
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Abstract
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A transformational energy efficient technology using ionic liquid (IL) to couple with monoethanolamine (MEA) for catalytic CO2 capture is disclosed. [EMmim+][NTF2−] based catalysts are rationally synthesized and used for CO2 capture with MEA. A catalytic CO2 capture mechanism is disclosed according to experimental and computational studies on the [EMmim+][NTF2−] for the reversible CO2 sorption and desorption.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for catalyzing both CO2 sorption and desorption in chemisorption; comprising: providing an ionic liquid catalyst, wherein the ionic liquid catalyst is configured to capture CO2 and the ionic liquid catalyst is produced from a reaction between a catalytic amine and an ionic liquid, wherein an ester group of the ionic liquid reacts with the catalytic amine to produce the ionic catalyst; providing CO2 through a gas inlet; and absorbing and desorbing the CO2. 2. The method of claim 1 , wherein the ionic liquid catalyst contains fully disassociated -COOH. 3. The method of claim 1 , further comprising: treating monoethanolamine with the ionic liquid catalyst. 4. The method of claim 1 , wherein the catalytic amine is regenerated. 5. The method of claim 1 , wherein the ionic liquid catalyst is activated by hydrolysis.
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Classifications
of ultrasonic wave energy · CPC title
Carbon dioxide · CPC title
After-treatment of removed components · CPC title
Sonic or ultrasonic vibration · CPC title
containing nitrogen as cationic centre · CPC title
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- What does patent US12168202B2 cover?
- A transformational energy efficient technology using ionic liquid (IL) to couple with monoethanolamine (MEA) for catalytic CO2 capture is disclosed. [EMmim+][NTF2−] based catalysts are rationally synthesized and used for CO2 capture with MEA. A catalytic CO2 capture mechanism is disclosed according to experimental and computational studies on the [EMmim+][NTF2−] for the reversible CO2 sorption …
- Who is the assignee on this patent?
- Univ Wyoming, Georgia Tech Res Inst
- What technology area does this patent fall under?
- Primary CPC classification B01D53/8671. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Dec 17 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).