A topic of great practical and particular industrial interest in recent years has been three-phase azeotropic distillation or heteroazeotropic distillation.
在工业上,三相共沸精馏过程或称之为非均相恒沸精馏过程在近年来逐渐表现出其特殊应用和巨大的实用价值。
By controlling the hydration of alkoxide, and with n-butanol azeotropic distillation and ethanol rinsing methods, the preparation process of superfine titania powder was investigated in detail.
利用控制醇盐水解的方法,分别采用正丁醇共沸蒸馏和乙醇洗涤这两种工艺,详细研究了超细二氧化钛粉体的制备过程。
Owning to the predominant advantages in separating azeotropic and close-boiling point mixtures, batch azeotropic distillation is being paid more and more attention.
由于在分离共沸物或相近沸点混合物方面优点突出,间歇共沸精馏正受到日益广泛的重视。
An improved method of synthesizing trimethyl orthoformate through azeotropic distillation by taking sodium methoxide in methanol and chloroform as raw materials has been presented by the author.
介绍了以甲醇钠甲醇溶液与氯仿为原料,采用共沸蒸馏法制备原甲酸三甲酯的改进工艺。
Both the partial condensation technique and the anhydrous ethanol reflux azeotropic distillation technique show great advantage in energy saving according to the simulation results.
结果表明,部分冷凝工艺和回流段无水乙醇共沸精馏流程节能效果显著。
Finally the separation of n-hexane and ethyl acetate was tested with an industrial column in a way of batch azeotropic distillation.
最后进行了工业间歇共沸精馏分离正己烷和乙酸乙酯的实验研究。
Tissue Free Water(TFW)of pine needles is separated out through azeotropic distillation of pine needles and toluene, Recovery ratio of TFW is 90%.
本文用生物样品与有机溶剂共沸蒸馏分离法对秦山核电厂附近秦山上松针中组织自由水氚进行测量。
A ternary system of butyl acrylate-butyl alcohol-water may be separated through rectification or azeotropic distillation according to the equilibrium relationship.
根据丙烯酸异丁酯、异丁醇、水三元物系的相平衡关系,可以采用常规精馏与共沸精馏二种分离方法。
The nanosized TiO2 powder prepared by foam flotation method was compared with the sample prepared by azeotropic distillation method.
对泡沫悬浮法和共沸蒸馏法的防团聚效果进行了系统比较。
Computation and comparison have been made by using these two methods, and as a result, azeotropic distillation is more suitable to this system.
本文对该二种方法进行了计算比较,认为采用共沸精馏的方法更为合适。
A heat integrated ethanolwater azeotropic distillation flowsheet is studied.
研究乙醇、水共沸精馏的热量集成流程。
The nano sized TiO2 powder prepared by foam flotation method was compared with the sample prepared by azeotropic distillation method.
对泡沫悬浮法和共沸蒸馏法的防团聚效果进行了系统比较。
The reaction was driven to completion by azeotropic distillation of water using a carrier solvent.
改性反应是在有机分散剂中进行,并通过回流分水使反应充分。
The reaction was not suitable conducted under solvent-free condition, water formed during the reaction was removed by azeotropic distillation with toluene throughout the reaction.
相转移催化环烷基化反应不适合采用无溶剂法来进行,对反应过程中的溶剂效应进行分析后选择甲苯作为溶剂和带水剂。
We found that the method of salt-entering-azeotropic distillation can be get a good separation results, with low energy consumption, pollution-free, economical and practical.
实验发现,加盐分相与共沸精馏联用的方法分离效果较好,且能耗低,无污染,经济实用。
We found that the method of salt-entering-azeotropic distillation can be get a good separation results, with low energy consumption, pollution-free, economical and practical.
实验发现,加盐分相与共沸精馏联用的方法分离效果较好,且能耗低,无污染,经济实用。
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