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Utilization of waste from processing of industrial hemp for production of carbonaceous adsorbents.
Šrámek, V. ; Staf, M. ; Pohořelý, Michael ; Beňo, Z.
Utilization of waste biomass for production of carbonaceous adsorbents would be a suitable substitution of comercially available activated carbon. This work focuses on a two step preparation in two separate apparatus of own construction operated at UCT Prague. The first step involves pyrolysis of the hemp hurd at temperature range 450–850 °C and the second step is based on activation of the pyrolysis residue via steam at temperatures 740 and 800 °C. The prepared activated material was examined for key sorption parameters: specific surface are by BET equation, total specific pore volume and pore size distribution. The results were compared to comercially available activated carbon produced also via the steam activation.
Fulltext: content.csg - Download fulltextPDF
Plný tet: SKMBT_C22020012013491 - Download fulltextPDF

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