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Porous polymeric sorbent for carbon dioxide

A porous polymer and carbon dioxide technology, applied in alkali metal compounds, alkali metal oxides/hydroxides, inorganic chemistry, etc., can solve problems such as expensive energy and chemical solvent heating

Active Publication Date: 2019-01-04
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although CO 2 Strong interaction with chemical solvents allows efficient removal of CO from gas streams 2 , but the regeneration of chemical solvents requires heating
This heating step tends to make the whole process energetically expensive

Method used

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  • Porous polymeric sorbent for carbon dioxide
  • Porous polymeric sorbent for carbon dioxide
  • Porous polymeric sorbent for carbon dioxide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1B

[0095] Embodiment 1B is a composition comprising: a) a porous polymeric adsorbent having a mass equal to at least 400 m 2 / g of BET specific surface area, and b) carbon dioxide adsorbed on a porous polymer adsorbent wherein at least 1.0 mmol of carbon dioxide is adsorbed at 5 bar and 25°C. The porous polymeric adsorbent contains: a) 75% to 100% by weight of the first monomer unit of formula (I),

[0096]

[0097] and b) 0% to 25% by weight of a second monomer unit of formula (II),

[0098]

[0099] In formula (II), R 1 is hydrogen or alkyl. Each weight % value is based on the total weight of the porous polymeric adsorbent. Each asterisk (*) (here and throughout) indicates the attachment position of that monomeric unit to another monomeric unit or end group.

[0100] Embodiment 2B is the composition of embodiment 1 B, wherein at least 1.5 millimoles of carbon dioxide is adsorbed at 10 bar and 25°C.

[0101] Embodiment 3B is the composition of embodiment 1B or 2B, whe...

Embodiment 1

[0118] In a 5 L round bottom flask, dissolve 125.0 g (768 mmol) divinylbenzene (DVB) (80%, technical grade) and 2.50 g (10.3 mmol) benzoyl peroxide (BPO) in 2.65 L acetic acid in ethyl ester (EtOAc). The polymerizable composition had a percent solids of 5.0% by weight in EtOAc and contained a monomer mixture (80.0% by weight DVB and 20.0% by weight styrenic monomer) and 2% by weight BPO (based on the total weight of monomers). Nitrogen was bubbled through the polymerizable composition for 30 minutes. The flask was then capped and placed in a 95°C sand bath. The polymerizable composition was heated at this elevated temperature for 17 hours. The white precipitate formed was isolated by vacuum filtration and washed with EtOAc. The solid was dispensed and placed into two 32 oz jars. Each jar was then filled with 700 mL of EtOAc. The solid was allowed to stand in EtOAc for 1 h at room temperature. The solid was isolated again by vacuum filtration and washed with EtOAc. The s...

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Abstract

A method of sorbing carbon dioxide on divinylbenzene-based porous polymeric sorbent is provided. Additionally, a composition containing the porous polymeric sorbent and carbon dioxide sorbed on the porous polymeric sorbent is provided. The porous polymeric sorbent typically has micropores, mesopores, or a combination thereof and can selectively remove carbon dioxide from other gases such as methane or hydrogen.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application 62 / 335,207, filed May 12, 2016, the disclosure of which is incorporated herein by reference in its entirety. technical field [0003] A method of adsorbing carbon dioxide on a porous polymeric adsorbent and a polymeric adsorbent having carbon dioxide adsorbed thereon are provided. Background technique [0004] Energy production from coal and natural gas requires technology to remove the gaseous impurity carbon dioxide (CO 2 ). The low cost and global abundance of both coal and natural gas ensure that both natural resources will continue to be used for energy production for many years to come. Technology needs to be developed to develop selective high-capacity CO 2 Adsorbents to ameliorate unwanted CO 2 removed. [0005] To generate electricity from coal, integrated gasification combined cycle (IGCC) power plants use the water gas shift rea...

Claims

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Application Information

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IPC IPC(8): B01D53/02B01D53/047B01J20/26B01J20/28
CPCB01J20/261B01J20/267B01D53/02B01D2253/202B01D2253/306B01D2253/311B01D2256/245B01D2257/504B01J20/28057B01D53/047B01J20/28061B01J20/28064B01J20/3425Y02C20/40B01D2256/16
Inventor M·S·文德兰德
Owner 3M INNOVATIVE PROPERTIES CO
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