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Thermodesorption of benzene and water from alumina samples saturated in vacuum dessicator were studied under quasi-isothermal
conditions. The Q-TG and Q-DTG curves show multi-step mass losses associated with the evaporation of liquids from pores and
physisorbed liquid films from active sites with different energies. The isotherms of adsorption-desorption of nitrogen on
porous alumina samples were measured using sorptomatic method and pore size distribution functions have been calculated. The
correlation between porosity parameters and the volume of desorbed liquids is presented. A good agreement between above data
was obtained.
This revised version was published online in August 2006 with corrections to the Cover Date. 相似文献
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