Abstract
In this study, ethanol–ammonium recovery using a distillation system was evaluated. The experimental design was used to evaluate the possibility of solvent re-use and the influence of distillation on the recovery yield, ethanol–ammonium ratio (catalyst concentration) and size of the obtained nanostructures. The synthesised silica nanospheres from distilled ethanol–ammonium were compared in terms of size and shape (ammonium concentration) to the nanostructures obtained from filtrated and centrifuged solvents. The results showed that the process for ethanol–ammonium recovery proposed in this work, provides a large potential for reducing the amount of waste from the synthesis.
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The research was funded by National Science Centre within 2014/13/B/ST8/03875 (OPUS 7).
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Cendrowski, K., Sikora, P., Horszczaruk, E. et al. Waste-free synthesis of silica nanospheres and silica nanocoatings from recycled ethanol–ammonium solution. Chem. Pap. 71, 841–848 (2017). https://doi.org/10.1007/s11696-016-0099-y
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DOI: https://doi.org/10.1007/s11696-016-0099-y