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Adsorption of Gases on Solids

Adsorption of Gases on Solids

Adsorption is a process where molecules, known as the adsorbates, accumulate on a surface, which is referred to as the adsorbent or substrate. Occurring at the solid-gas interface, this phenomenon is crucial in various scientific and industrial contexts. The reverse of adsorption is desorption.Two types of adsorptions exist: physical (physisorption) and chemical (chemisorption). Physisorption involves gas molecules held to the solid's surface by relatively weak intermolecular van der Waals...

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Updated: May 10, 2026

A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture

A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture

Published on: September 29, 2023

Mesoporous poly(melamine-formaldehyde) solid sorbent for carbon dioxide capture.

Mei Xuan Tan¹, Yugen Zhang, Jackie Y Ying

¹Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, Singapore.

|June 13, 2013

Summary

This summary is machine-generated.

Researchers developed a novel mesoporous melamine-formaldehyde resin for efficient carbon dioxide (CO2) capture. This material exhibits high surface area and rapid, reversible CO2 sorption due to its unique pore structure and binding sites.

Keywords:

adsorption carbon dioxide capture material regeneration mesoporous materials polymers

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Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for Cu(II) Through Microwave Pre-Pyrolysis

Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for Cu(II) Through Microwave Pre-Pyrolysis

Published on: February 12, 2019

Area of Science:

Materials Science
Chemical Engineering
Environmental Science

Background:

Growing concerns over atmospheric carbon dioxide (CO2) levels necessitate advanced materials for efficient capture.
Current CO2 capture technologies often face challenges related to cost, efficiency, and reversibility.

Purpose of the Study:

To synthesize a highly mesoporous melamine-formaldehyde resin for CO2 capture.
To investigate the material's structural properties and CO2 sorption performance.

Main Methods:

One-step polycondensation reaction using common industrial chemicals.
Characterization of the synthesized resin's surface area and pore structure.
Evaluation of CO2 sorption capacity and reversibility.

Main Results:

Successful synthesis of a mesoporous melamine-formaldehyde resin with a high surface area and well-defined pore structure.
Demonstrated high density of CO2 binding pockets.
Exhibited rapid and reversible CO2 sorption with low binding energy.

Conclusions:

The developed melamine-formaldehyde resin is a promising material for cost-effective and efficient CO2 capture.
The material's unique porous structure and binding characteristics are key to its high sorption performance.
This approach offers a scalable solution for carbon capture applications.