RT Journal Article
T1 Glycerol etherification towards selective diglycerol over mixed oxides derived from hydrotalcites: effect of Ni loading
A1 Alouini, Mohamed-Slim
A1 Cecilia-Buenestado, Juan Antonio
A1 Ghorbel, S.B.
A1 Saïd, Zina
A1 Rodríguez-Castellón, Enrique
A1 Moreno-Tost, Ramón
K1 Alcoholes
K1 Catalizadores
AB A series of tetrametallic hydrotalcite with different Ni loading, were synthesized by coprecipitation method. Then, these hydrotalcites were calcined in their respective metal oxides and were used as catalysts in the etherification reaction for the synthesis of polyglycerols. The effect of Ni loading on the structural and textural features was investigated by various techniques such as X-ray diffraction (XRD), thermogravimetric analysis TG–DSC–MS, temperature-programmed reduction (H2-TPR), temperature-programmed desorption (NH3-TPD) and 1-butene isomerization as a model reaction to probe acid–base character of catalysts. Mixed oxides derived from hydrotalcites are found to be active and suitable, via solvent free, in the glycerol etherification reaction. A gradual enhance of glycerol conversion is revealed when increasing the Ni/Mg molar ratio and the most active catalyst found is HTc-Ni75% with full selectivity to diglycerol.
PB Springer Nature
YR 2021
FD 2021
LK https://hdl.handle.net/10630/44823
UL https://hdl.handle.net/10630/44823
LA eng
NO Aloui, M., Cecilia, J.A., Moreno-Tost, R. et al. Glycerol etherification towards selective diglycerol over mixed oxides derived from hydrotalcites: effect of Ni loading. J Sol-Gel Sci Technol 97, 351–364 (2021). https://doi.org/10.1007/s10971-020-05344-6
DS RIUMA. Repositorio Institucional de la Universidad de Málaga
RD 25 feb 2026