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。
This thesis is developed on an existing problem for the control of distill column in the process of rosin and turpentine production by continuous vapor distillation.
本文是围绕水蒸气蒸馏连续法生产松香和松节油过程中实现对蒸馏塔的控制问题而展开的。
This thesis is developed on an existing problem for the control of distill column in the process of rosin and turpentine production by continuous vapor distillation.
本文是围绕水蒸气蒸馏连续法生产松香和松节油过程中实现对蒸馏塔的控制问题而展开的。
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