10.18453/rosdok_id00002021 Kale, Sumeet Sumeet Kale http://d-nb.info/gnd/1122311745 Universität Rostock 2018 540 Chemistry & allied sciences 2018 en http://purl.uni-rostock.de/rosdok/id00002021 urn:nbn:de:gbv:28-diss2018-0015-0 The work focuses on the glycerol acetylation to triacetin over solid acid catalysts in liquid and gas phase. Acidic catalysts such as ion-exchange resins and supported heteropolyacids (HPA) were studied using toluene as an entrainer in batch-liquid phase. The high activity of catalysts depends on acidity and Keggin structure stabilization on the support. Low acidic catalysts like SiO2-based mixed metal oxides (TiO2, MgO, ZrO2, SrO and Sc2O3) were evaluated in continuous-gas phase. The high activity of SiO2-TiO2 catalyst seems to be related to the formation of Si-O-Ti bonds within the SiO2.