以疏水性介孔分子筛SBA-15-SO3H固体酸为催化剂,以大豆酸化油和甲醇为原料,通过酯化反应生产生物柴油。通过TGA、X射线粉末衍射(XRD)、相对润湿接触角等方法对样品进行了表征。结果表明:酯化反应的最佳反应条件是,反应温度100℃,催化剂用量5%,甲醇流量15g/h,反应时间4h,酯化率达到99.5%。疏水固体酸C16H33-SBA-15-SO3H作为大豆酸化油酯化生产生物柴油的良好催化剂,有良好的工业应用前景。 Hydrophobic mesoporous molecular sieve SBA-15-SO3H solid acid as catalyst, soybean acidification oil and methanol as raw materials, through the esterification reaction to produce biodiesel. The samples were characterized by TGA, X-ray powder diffraction (XRD) and relative wetting contact angle. The results showed that the optimum conditions for the esterification reaction were as follows: the reaction temperature was 100 ℃, the amount of catalyst was 5%, the flow rate of methanol was 15g / h, the reaction time was 4h and the esterification rate was 99.5%. Hydrophobic solid acid C16H33-SBA-15-SO3H is a good catalyst for the esterification of soybean acidified oil to produce biodiesel, which has a good industrial application prospect.