Mahmoud Mokhtar, Kraxner Jozef, Kaňková Hana, Hujová Miroslava, Chen Si, Galusek Dušan, Bernardo Enrico
FunGlass, Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, 911 50 Trenčín, Slovakia.
Department of Industrial Engineering, University of Padova, 35131 Padova, Italy.
Materials (Basel). 2022 Jan 28;15(3):1043. doi: 10.3390/ma15031043.
Fiber glass waste (FGW) was subjected to alkali activation in an aqueous solution with different concentrations of sodium/potassium hydroxide. The activated materials were fed into a methane-oxygen flame with a temperature of around 1600 °C. X-ray diffraction analysis confirmed the formation of several hydrated compounds, which decomposed upon flame synthesis, leading to porous glass microspheres (PGMs). Pore formation was favored by using highly concentrated activating alkali solutions. The highest homogeneity and yield of PGMs corresponded to the activation with 9 M KOH aqueous solution.
玻璃纤维废料（FGW）在含有不同浓度氢氧化钠/氢氧化钾的水溶液中进行碱活化处理。将活化后的材料送入温度约为1600℃的甲烷-氧气火焰中。X射线衍射分析证实形成了几种水合化合物，这些化合物在火焰合成过程中分解，从而产生了多孔玻璃微球（PGM）。使用高浓度的活化碱溶液有利于形成孔隙。PGM的最高均匀性和产率对应于用9M氢氧化钾水溶液进行的活化。
