Revisiting the effect of surface chemistry on adsorption of water on activated carbons

Article Abstract:

A study was conducted to analyze the effects of surface chemistry on the adsorption of water on activated carbons. The DMS Titrino 716 automatic titrator was utilized to carry out potentiometric titration measurements. The Nicolet Impact 410 spectrometer was then used to obtain infrared spectra. Experimental results indicated that washing with methanol modified the surface chemistry of carbons and promoted the creation of phenols and novel hydrolyzed esters.

Analysis, Phenols, Phenols (Class of compounds), Water, Activated carbon, Methanol, Surface chemistry, Esters, Water analysis, Carbon, Activated

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Transport diffusivity of N2 and CO2 in silicalite: Coherent quasielastic neutron scattering measurements and molecular dynamics simulations

Article Abstract:

To investigate the concentration dependence of transport diffusivity of nitrogen and carbon dioxide in silicate-1, a direct comparison of experimental measurements and simulation is carried out. Due to sorbate-sorbate interactions being considerably more attractive in CO2/silicate-1 than in N2/silicate-1, D0 (theta) is a decreasing function in CO2/silicate-1 but displays a weak maximum in N2/silicate-1.

Carbon Dioxide, Silicates

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Study of hydrogen sulfide adsorption on activated carbons using inverse gas chromatography at infinite dilution

Article Abstract:

Adsorption of hydrogen sulfide on noncatalytic and catalytic cartons is reported. Sorption of nitrogen was evaluated using porous structures of carbons.

Hydrogen Sulfide, Carbon, Structure

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