油酸和甲醇在常规和吸附反应体系中酯化反应的动力学模拟

F. Fernandes
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引用次数: 0

摘要

生物柴油是从可再生的植物或动物来源中提取的,既可以作为单独的燃料使用,也可以与油基柴油混合使用。研究了油酸在常规间歇反应器和与水吸附系统耦合的间歇反应器中酯化反应的动力学机理。以硫酸为催化剂,油酸和甲醇在不同温度(70 ~ 110℃)和醇油酸摩尔比(3:1 ~ 9:1)下进行酯化反应。建立了动力学模型并进行了验证。该模型在95%的置信水平上具有统计学意义,从而证明了其在预测硫酸作为催化剂的油酸与甲醇酯化反应中的有效性。
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Kinetic Modeling of the Esterification of Oleic Acid and Methanol in Conventional and Adsorptive Reaction Systems
Biodiesel is derived from renewable vegetable or animal sources and is either used as a standalone fuel or blended with oil-based diesel. The kinetic mechanism of the esterification of oleic acid was investigated in a conventional batch reactor and a batch reactor coupled to a water adsorption system. The esterification was performed with oleic acid and methanol at different temperatures (70 to 110 °C) and alcohol-to-oleic acid molar ratios (3:1 to 9:1), using sulfuric acid as a catalyst. A kinetic model was constructed and validated. The model was statistically significant at a 95% confidence level, thus proving its effectiveness in predicting oleic acid esterification with methanol using sulfuric acid as a catalyst.
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