Chromatographic testing of regeneration of coarse-grain preparations of activated carbon by supercritical extraction with carbon dioxide.

properties of coarse-grain preparations of activated carbon were tested by inverse gas chromatography. Tert-butylbenzene adsorbed on preparations was desorbed with use of the carbon dioxide supercritical extraction process. T he relationship between the quantity of desorbed tert-butylbenzene and para meters characterizing the porous structure of carbon was stated. It has bee n showed that quick comparative studies of coarse-grain preparations of act ivated carbon can be carried out by chromatographic methods.