MEASUREMENTS OF ADSORPTION AND THERMAL DEFORMATIONS OF MICROPOROUS CARBON ADSORBENTS

Adsorption-induced deformation of microporous carbon adsorbents AUK and AR-V with different genesis was measured in conditions of methane adsorption (temperature 273, 313, 353, 393 K; pressure 0-6 MPa). Thermal deformation of carbon adsorbents AUK and AR-V was measured in the temperature range of 273-573 K. Coefficients of linear thermal expansion (CTE) of carbon adsorbents were calculated in the temperature range of 273-573 K: for AUK, a(T) = (3 +/- 0.15).10(-6) K-1; for AR-V, aT = (8.4 +/- 0.6).10(-5) K-1. A comparative analysis of the CTE of adsorbents and crystal graphite was implemented.