gas adsorption

gas adsorption

[¦gas ad′sorp·shən]
(physical chemistry)
The concentration of a gas upon the surface of a solid substance by attractive forces between the surface and the gas molecules.
References in periodicals archive ?
While gas adsorption also occurs during the process of gas drainage, which always produces certain swelling stresses and then leads to swelling deformation of coals, and so gas seepage is a fluid-solid coupling dynamic process.
The Micromeritics ASAP 2020 automated gas adsorption analyzer was used for N2, CO2, and H2 update measurement.
You have to repeat the gas adsorption and desorption process millions of times over the life of a typical power plant, which is 30 to 50 years," says University of Ottawa chemistry professor Tom Woo.
Tenders are invited for Supply, Installation, Commissioning & Satisfactory Demonstration" of following scientific equipment:1)High Pressure Gas Adsorption Measurement Instrument
Gas adsorption is a surface phenomenon and is predominately a physical bond caused by the intermolecular attractive forces, such as Van der Waals forces, while desorption is the converse process of adsorption [18].
Yaghi, Gas Adsorption Sites in a Large-Pore Metal-Organic Framework, Science, 309, 1350(2005).
AC is being used widely for gas adsorption process, removal of organic pollutants from water, as well as to act as a catalyst support by using the means of adsorption process[6].
By blending with plastics and fibers, the material is used in such applications as deodorization, gas adsorption, removal of toxic VOCs, refining of biogases, and sterilization of ballast water of vessels before discharging.
On the other hand, the use of nanofluids that adsorb carbon dioxide with unique characteristics such as high mechanical and thermal stability, high ability in gas adsorption and storage, easy reduction, and other transfer properties can be a good replacement for the solutions or as additive to the usual solutions to increase the efficiency of carbon dioxide removal.
He arranges them by the fundamental process they use, among which are diffusion, gas adsorption, leaching and extraction, humidification, and drying.
Micromeritics, which invented the first all-metal, transportable gas adsorption analyzer in the 1960s, has been steadily upgrading its line to keep pace with a growing industrial applications base.