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 ?
The required technology for the treatment of gas adsorption drying (silica-based) or low-temperature separation technology to the expected performance in the range of 4.
The nitrogen gas adsorption and desorption was measured at 77 K using QuadraSorb SI4 Physisorption Analyzer.
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.
Langmuir and Freuindlich equations, which were first used for gas adsorption by microporous adsorbents, and then extended to solute adsorption from aqueous solutions [37,18].
He arranges them by the fundamental process they use, among which are diffusion, gas adsorption, leaching and extraction, humidification, and drying.
The proprietary low-pressure technology, using natural gas adsorption, is particularly-suited to motorcycles and tricycles due to the ease with which Natural Gas cylinders can be manufactured, distributed and then integrated onboard without affecting vehicle balance.
Gas adsorption on porous media is of interest because this approach offers selective uptake and significant lifetime of the adsorbent.
Other subjects include a unified model for the effects of surface heterogeneity on gas adsorption, surface-initiated atom transfer radical polymerization of MMA from cotton fiber, and applications of the phase transfer of nanoparticles.
In addition, the Materials Analysis Laboratory continues to provide other particle characterization services such as particle size, surface area by gas adsorption, porosimetry by gas adsorption, density, and chemisorption analysis.
Bemis unveiled a Maximum Efficiency Gas Adsorption system to eliminate common odors and harmful gases.
Payne, 'Theories of the AdsorptionDesorption Kinetics on Homogeneous Surfaces', in Equilibria and Dynamics of Gas Adsorption on Heterogeneous Solid Surfaces, edited by W.