TY - JOUR
T1 - Zeta potential of beta zeolites: Influence of structure, acidity, pH, temperature and concentration
AU - Liu, Xuan
AU - Mäki-Arvela, Päivi
AU - Aho, Atte
AU - Vajglová, Zuzana
AU - Gun’ko, Vladimir M.
AU - Heinmaa, Ivo
AU - Kumar, Narendra
AU - Eränen, Kari
AU - Salmi, Tapio
AU - Murzin, Dmitry
N1 - tk.
Xuan Liu is also affiliated wit ÅAU
PY - 2018
Y1 - 2018
N2 - Measurements of the zeta potential of solid heterogeneous supports are important for preparation of metal supported catalysts and for shaping zeolites into extrudates. In the current work, different types of heterogeneous support materials such as SiO2, Al2O3, and a range of beta zeolites of different silica- to-alumina ratio were analysed. It was observed that parameters such as temperature, pH and acidity significantly affect the zeta potential. In several instances, depending on the materials’ acidity and microstructure, maxima in zeta potential were observed. The solid materials were thoroughly characterized using XRD, SEM, EDX, TEM, nitrogen physisorption, Al-NMR and FTIR with pyridine before zeta potential measurements.
AB - Measurements of the zeta potential of solid heterogeneous supports are important for preparation of metal supported catalysts and for shaping zeolites into extrudates. In the current work, different types of heterogeneous support materials such as SiO2, Al2O3, and a range of beta zeolites of different silica- to-alumina ratio were analysed. It was observed that parameters such as temperature, pH and acidity significantly affect the zeta potential. In several instances, depending on the materials’ acidity and microstructure, maxima in zeta potential were observed. The solid materials were thoroughly characterized using XRD, SEM, EDX, TEM, nitrogen physisorption, Al-NMR and FTIR with pyridine before zeta potential measurements.
KW - Chemical Engineering
KW - Chemical Engineering
KW - Chemical Engineering
U2 - 10.3390/molecules23040946
DO - 10.3390/molecules23040946
M3 - Artikel
SN - 1420-3049
VL - 23
SP - 1
EP - 14
JO - Molecules
JF - Molecules
IS - 4
ER -