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Esterification of Glycerol With Oleic Acid Over Hydrophobic Zirconia-Silica Acid Catalyst and Commercial Acid Catalyst: Optimization and Influence of Catalyst Acidity

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Academic year: 2021

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FIGURE 1 | Effects of reaction temperature on the catalytic esterification of glycerol with OA using ZrO 2 -SiO 2 -Me&EtPhSO 3 H catalyst.
FIGURE 2 | Effects of reaction temperature on the selectivities of GMO, GDO (A), and GTO (B).
FIGURE 4 | Effects of OA-to-glycerol molar ratios on the selectivities of GMO, GDO (A), and GTO (B).
FIGURE 7 | Effects of the catalyst concentration of ZrO 2 -SiO 2 -Me&EtPhSO 3 H on the selectivities of GMO, GDO (A), and GTO (B).
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