New technological procedure for obtaining spherical carbon sorbents was considered. The method is based on oil granulation in the technology of coal benefication. The coal dust of 2SS brand and coal tar were used to obtain spherical activated carbons with high sorption and strength characteristics. The influence exerted by the introduction of surfactants in the course of molding on the quality parameters of activated carbons was examined. The basic physicochemical and sorption characteristics of the carbons being developed were analyzed and it was shown that spherical carbon adsorbents with micropore volume of up to 0.31 cm3 g–1 and abrasion strength of up to 91% can be obtained.
Russian Journal of Applied Chemistry – Springer Journals
Published: Oct 19, 2016
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