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Importance of small micropores in CO2 capture by phenolic resin-based activated carbon spheres

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TLDR
Phenolic resin-based carbon spheres obtained by a slightly modified Stober method are shown to be superior CO2 adsorbents as discussed by the authors, and a direct KOH activation of polymeric spheres gave carbons with small micropores (<0.8 nm) and large specific surface area (2400 m2 g−1).
Abstract
Phenolic resin-based carbon spheres obtained by a slightly modified Stober method are shown to be superior CO2 adsorbents. A direct KOH activation of polymeric spheres gave carbons with small micropores (<0.8 nm) and large specific surface area (2400 m2 g−1), which are able to adsorb an unprecedented amount of CO2 (up to 8.9 mmol g−1) at 0 °C and ambient pressure.

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Citations
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Recent advances in solid sorbents for CO2 capture and new development trends

TL;DR: In this article, the authors organize the CO2 sorbents according to their working temperatures by classifying them as such: (1) low-temperature ( 400 °C), since the sorption capacity, kinetics, recycling stability and cost are important parameters when evaluating a sorbent.
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Molecular-based design and emerging applications of nanoporous carbon spheres

TL;DR: The primary techniques for preparing nanoporous carbon spheres and the seminal research that has inspired their development, presented potential applications and uncovered future challenges are presented, as well as the current challenges and opportunities.
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Biochar as potential sustainable precursors for activated carbon production: Multiple applications in environmental protection and energy storage

TL;DR: Compared with traditional activated carbon, activated biochar appears to be a new potential cost-effective and environmentally-friendly carbon materials with great application prospect in many fields.
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A search for selectivity to enable CO2 capture with porous adsorbents

TL;DR: In this paper, the most fundamental aspects of adsorptive CO2 separation are discussed in order to illuminate the "sweet spot" to be explored when electronic structure, polarity and pore size/geometry are rationally balanced and optimized.
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Adsorption materials for volatile organic compounds (VOCs) and the key factors for VOCs adsorption process: A review

TL;DR: A critical review of the recent research developments of VOCs adsorption materials and the key factors controlling the VOC's adaption process is provided in this article. But, the authors do not provide a detailed analysis of the specific surface area, pore volume, and surface chemical functional groups.
References
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Journal ArticleDOI

Amine Scrubbing for CO2 Capture

TL;DR: Amine scrubbing has been used to separate carbon dioxide (CO2) from natural gas and hydrogen since 1930 and is ready to be tested and used on a larger scale for CO2 capture from coal-fired power plants.
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Carbon Dioxide Capture: Prospects for New Materials

TL;DR: The most recent developments and emerging concepts in CO(2) separations by solvent absorption, chemical and physical adsorption, and membranes, amongst others, will be discussed, with particular attention on progress in the burgeoning field of metal-organic frameworks.
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Ultrahigh Porosity in Metal-Organic Frameworks

TL;DR: The synthesis of a MOF in which zinc centers are bridged with long, highly conjugated organic linkers, but in which the overall symmetry of the networks created prevents formation of interpenetrating networks is described.
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Carbon dioxide capture-related gas adsorption and separation in metal-organic frameworks

TL;DR: In this article, the authors review the research progress in metal-organic frameworks (MOFs) for CO 2 adsorption, storage, and separations that are directly related to CO 2 capture.
Journal ArticleDOI

Post-Combustion CO2 Capture Using Solid Sorbents: A Review

TL;DR: In this article, a variety of promising sorbents such as activated carbonaceous materials, microporous/mesoporous silica or zeolites, carbonates, and polymeric resins loaded with or without nitrogen functionality for the removal of CO2 from the flue gas streams have been reviewed.
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