NDLI: Easily Regenerable Solid Adsorbents Based on Polyamines for Carbon Dioxide Capture from the Air

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Easily Regenerable Solid Adsorbents Based on Polyamines for Carbon Dioxide Capture from the Air

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Easily Regenerable Solid Adsorbents Based on Polyamines for Carbon Dioxide Capture from the Air

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Goeppert, Alain Zhang, Hang Czaun, Miklos May, Robert B. Prakash, G. K. Surya Olah, George A. Narayanan, S. R.
Description	Author Affiliation: Goeppert A ( Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, 837 Bloom Walk, Los Angeles, CA 90089-1661 (USA). goeppert@usc.edu.)
Abstract	Adsorbents prepared easily by impregnation of fumed silica with polyethylenimine (PEI) are promising candidates for the capture of $CO_{2}$ directly from the air. These inexpensive adsorbents have high $CO_{2}$ adsorption capacity at ambient temperature and can be regenerated in repeated cycles under mild conditions. Despite the very low $CO_{2}$ concentration, they are able to scrub efficiently all $CO_{2}$ out of the air in the initial hours of the experiments. The influence of parameters such as PEI loading, adsorption and desorption temperature, particle size, and PEI molecular weight on the adsorption behavior were investigated. The mild regeneration temperatures required could allow the use of waste heat available in many industrial processes as well as solar heat. $CO_{2}$ adsorption from the air has a number of applications. Removal of $CO_{2}$ from a closed environment, such as a submarine or space vehicles, is essential for life support. The supply of $CO_{2}-free$ air is also critical for alkaline fuel cells and batteries. Direct air capture of $CO_{2}$ could also help mitigate the rising concerns about atmospheric $CO_{2}$ concentration and associated climatic changes, while, at the same time, provide the first step for an anthropogenic carbon cycle.
File Format	HTM / HTML
ISSN	18645631
Issue Number	5
Volume Number	7
e-ISSN	1864564X
Journal	ChemSusChem
Language	English
Publisher	Wiley-VCH
Publisher Date	2014-05-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Research Support, U.s. Gov't, Non-p.h.s. Research Support, Non-u.s. Gov't Discipline Sustainable Chemistry Isolation & Purification Air Polyamines Carbon Dioxide Journal Article Particle Size Chemistry Adsorption Climate Change Surface Properties Molecular Structure Kinetics Recycling
Content Type	Text
Resource Type	Article
Subject	Energy Environmental Chemistry Materials Science Chemical Engineering

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Amine-Tethered Solid Adsorbents Coupling High Adsorption Capacity and Regenerability for $CO_{2}$ Capture From Ambient Air

Efficient $CO_{2}$ Capture by Porous, Nitrogen-Doped Carbonaceous Adsorbents Derived from Task-Specific Ionic Liquids

Mechanical Activation of CaO-Based Adsorbents for $CO_{2}$ Capture

Steam-Stripping for Regeneration of Supported Amine-Based $CO_{2}$ Adsorbents

Role of Amine Structure on Carbon Dioxide Adsorption from Ultradilute Gas Streams such as Ambient Air

Effect of Dopants on the Adsorption of Carbon Dioxide on Ceria Surfaces

Challenges of Electric Swing Adsorption for $CO_{2}$ Capture

Cyclic Stability Testing of Aminated-Silica Solid Sorbent for Post-Combustion $CO_{2}$ Capture

The Role of Amine Surface Density in Carbon Dioxide Adsorption on Functionalized Mixed Oxide Surfaces

Easily Regenerable Solid Adsorbents Based on Polyamines for Carbon Dioxide Capture from the Air

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Amine-Tethered Solid Adsorbents Coupling High Adsorption Capacity and Regenerability for $CO_{2}$ Capture From Ambient Air

Efficient $CO_{2}$ Capture by Porous, Nitrogen-Doped Carbonaceous Adsorbents Derived from Task-Specific Ionic Liquids

Mechanical Activation of CaO-Based Adsorbents for $CO_{2}$ Capture

Steam-Stripping for Regeneration of Supported Amine-Based $CO_{2}$ Adsorbents

Role of Amine Structure on Carbon Dioxide Adsorption from Ultradilute Gas Streams such as Ambient Air

Effect of Dopants on the Adsorption of Carbon Dioxide on Ceria Surfaces

Challenges of Electric Swing Adsorption for $CO_{2}$ Capture

Cyclic Stability Testing of Aminated-Silica Solid Sorbent for Post-Combustion $CO_{2}$ Capture

The Role of Amine Surface Density in Carbon Dioxide Adsorption on Functionalized Mixed Oxide Surfaces

Easily Regenerable Solid Adsorbents Based on Polyamines for Carbon Dioxide Capture from the Air