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π SIMILAR VOLUMES
The effect of adsorption and desorption of organic vapors (methanol, n-butanol, cyclohexane) on the free spin concentration of an activated carbon with selectively modified surface oxides has been measured by electron spin resonance at 25Β°C. While equilibrated cyclohexane showed no effect on the par
The adsorption and the desorption of SO: on active carbons is studied in relation to the surface characteristics of the carbons. Surface basic groups (with pyronic or pyronic-like structure) greatly increase the adsorption of SO,, that can be divided into two forms. one weakly and the other strongly
The performances of three wood-based activated carbons as adsorbents of hydrogen sulfide were evaluated by dynamic breakthrough testing. The subsequent products of H 2 S oxidation on the carbon surfaces were analyzed. The adsorbents were studied using sorption of nitrogen, thermal analysis, Boehm ti
The effects of oxidation of activated carbons are studied by means of high-pressure methane adsorption. Decreases in amounts adsorbed and adsorption enthalpies after oxidation are observed. Thermodynamic analysis of adsorption isotherms using the virial-type thermal equation of adsorption is present