目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件。
Aim \ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.
讨论了温度、物料配比及压力对原甲酸三甲酯收率的影响，找出了最佳反应条件。
Methyl orthoformate is obtained by the reaction of CHCl3 with CH3ONa. The reaction is investigated through the change of temperature, material ratio, and pressure. The optimal conditions are given.
原甲酸三乙酯的投料量是过量的，没反应的原甲酸三乙酯回收后套用在下一釜反应中。
Orthoformic triethyl ester is of too much amount The unreacted orthoformic triethyl ester is recovered without appreciable impurities by distillation and can be used in the next batch.
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