SORPTION STUDY OF ALUMINUM OXIDE BASED BLOCK MATERIAL WITH VARIABLE POROSITY
Abstract
The problem of removing hazardous volatile compounds from gas emissions can be addressed by using effective gas trapping systems. Laboratory samples of “metal rubber” type block material based on aluminum oxide with varying porosity degree have been prepared and tested in sorption study. The results of evaluating sorption properties of the obtained samples (sorption capacity, preconcentration sorption degree, and desorption recovery degree) are presented as exemplified by entrapping hexane from air. A possibility of varying the porosity degree along with gas-dynamic resistance of the material layer, as well as the formation of the oxide layer while maintaining a high specific surface value of the material, makes it promising to apply the block material as sorption system for purifying gas emissions, especially at gas impurities’ sorption concentration step.
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