Induced reflux is liquid formed within a fractionation tower by condensation of vapors by means of an internal cooling coil.

内回流是分馏塔内借助内部冷却盘管使蒸气冷凝而产生的液体。

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The solution was the addition of potassium permanganate in condensation zone of rectification tower to improve the quality of alcohols.

可在精馏塔的浓缩区域添加高锰酸钾来提高酒精质量。

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Three-tower continuous distillation process of ethyl acetate from aldehyde condensation and purification by gas-phase oxidation of acetic acid and ethylene were also discussed.

加恒沸剂共沸蒸馏和乙酸萃取反应精馏过程。 乙醛缩合法生产乙酸乙酯的三塔连续精馏过程以及乙烯与乙酸气相催化反应的加水精制工艺过程。

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