Abstract
Granular porous carbon/carbon composites were prepared by mixing carbon black, petroleum pitch and a solvent, followed by granulating the mixture and carbonization of the resulting pellets in an inert atmosphere. The pore structure of this material is studied by mercury porosimetry and scanning electron microscopy. Based on the obtained results, a model for it is proposed. The effects of carbon black type used, filler/binder ratio, heat treatment temperature and mixing time on surface area, total pore volume and strength of the finished pellets were investigated. Comparison with activated carbons indicates that the investigated material can find industrial applications as a catalyst support and as an adsorbent for adsorption of large molecules due to the meso- and macroporous structure and low ash content.
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Acknowledgments
The authors would like to thank Institute of Petrochemistry and Catalysis of RAS (Ufa) for help in accomplishment of analyses of mercury porosimetry and Institute for Metals Superplasticity Problems of RAS (Ufa) for SEM images.
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The authors declare that they have no conflict of interest.
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Kugatov, P.V., Zhirnov, B.S. Porous carbon/carbon composites produced from carbon black and petroleum pitch. J Porous Mater 20, 875–882 (2013). https://doi.org/10.1007/s10934-012-9664-0
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DOI: https://doi.org/10.1007/s10934-012-9664-0