Optimization of the synthesis of SBA-3 mesoporous materials by experimental design
- Ponte, María Virginia
- Rivoira, Lorena Paola
- Cussa, Jorgelina
- Martinez, Maria Laura
- Beltramone, Andrea Raquel
- Anunziata, Oscar Alfredo
DOIAbstract
SBA-3 mesoporous materials are characterized by hexagonal regular arrangements of channels with diameters >2 nm, high specific surface areas and high specific pore volumes. In the work reported herein, experimental design-response surface methodology (RSM) is used to model and optimize the synthesis conditions for SBA-3 mesoporous materials. In this study, we evaluate the influences of surfactant/silica source molar ratios, aging times, temperature and pH on the synthesis of SBA-3 mesoporous materials by analyzing the XRD intensities pertaining to the [100] signal. Response surfaces were obtained using theBoxeBehnken design, and the combination of reaction parameters was optimized. By applying statistical methodology, higher levels of the o...
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