Investigating possibilities for synthesis of novel sorbents and catalyst carriers based on ceramics with controlled open porosity Original scientific paper

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Vesna Nikolić
Jovana Đokić
Željko Kamberović
Aleksandar Marinković
Sanja Jevtić
Zoran Anđić


The aim of this study was to investigate a possibility of synthesis of porous ceramics with controlled open porosity, which could be used as sorbents and catalyst supports. Two organic additives were used to obtain open porosity: polystyrene beads and cellulose fibers, which are mixed with kaolin clay powder and the appropriate water content. Samples were sintered at 1050 oC for 1 h. Characterization of the obtained products included X-ray powder diffraction analysis (XRPD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), thermogravimetric analysis (TGA) and elemental CHNS analysis. In addition, porosity was examined by quantification of visual information. The specific surface areas were determined by the Brunauer–Emmett–Teller (BET) method. Also, density and compressive strength of the obtained samples were assessed. It was determined that by sintering, the organic component completely leaves the system. For samples prepared with polystyrene beads and with cellulose fibers, satisfactory mechanical properties were obtained: compressive strengths were 1.42 and 1.56 MPa, respectively. It was noted that significantly higher open porosity was obtained by using polystyrene beads as a sacrificial template (porosity of ~56 %) instead of cellulose fibers (porosity of ~6 %).


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Nikolić, V., Đokić, J., Kamberović, Željko ., Marinković, A. ., Jevtić, S. ., & Anđić , Z. . (2022). Investigating possibilities for synthesis of novel sorbents and catalyst carriers based on ceramics with controlled open porosity: Original scientific paper. HEMIJSKA INDUSTRIJA, 76(2), 87–95.
Material Enginerring - Inorganic materials

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