简单蒸馏

HCl-H2O溶液属于具有最高恒沸点的溶液，通过简单蒸馏，不能在塔顶得到浓缩的盐酸溶液。

HCl-H2O solution system is a solution with highest permanent boiling point and it is difficult to get the concentrated hydrochloric acid solution at the top of the tower through simple distillation .

简单蒸馏残余曲线图结构的研究

Study on the Structure of Simple Distillation Residue Curve Maps

粗产物经简单蒸馏，苯乙烯的总回收率为84.5%，苯乙烯单体纯度可达99.9%以上。

The output of styrene monomer was 84.5 % and its purity was above 99.9 % through simple distillation .

提出了伴有简单蒸馏的间歇萃取精馏操作方式。

This paper proposed a new mode of batch extractive distillation with the solvent recovered by an equilibrium distillation still .

介绍了三组元混合物共沸系统中简单蒸馏残余曲线图结构的性质和画法。

Extended properties and a methodology for the determination of the structure of simple distillation residue curve maps for ternary mixture are described .

同时分析了将姑废水简单蒸馏后馏出液及釜液中盐酸和阻燃剂的含量。

The components of the hydrochloric and the fire_retardant in the distillate and distillation residue were analysed after the waste water was distilled .

分别以原料、预处理物为进料，建立了简单蒸馏、精馏流程模拟，研究了模拟条件对分离结果的影响。

The process simulations of vacuum simple distillation and rectification were conducted , and the effect of operating conditions on distillation result was also studied .

以糖厂、酒精厂副产物杂醇油为原料醇，经脱水及简单蒸馏后，在强酸树脂的催化作用下与邻苯二甲酸酐反应，合成了外观为浅黄色透明的邻苯二甲酸混合酯。

After dehydration and distillation , the fusel oil is reacted with phthalic anhydride to synthesis phthalic mixed ester by strong acidic canon ion excharge resin as catalyst .

该催化剂在反应温度175&185℃、氢压为60大气压的条件下反应，产物氢化液糠醇含量在98%以上，氢化液经简单蒸馏，馏出液中糠醇含量在99%以上。

The reaction was carried out at a temperature of 175 & 185 ℃ and under a hydrogen pressure of 60 atmospheres . After a simple distillation , the content of furfuryl alcohol in the product reached 99 % wt.

操作过程中，混有溶剂的塔内液相直接流入溶剂再沸器，经简单蒸馏后，汽相返回原料再沸器，而富含溶剂的液相留在溶剂再沸器中。

During the process , the solvent introduced at the top of the column is separated from the liquid flow downwards by equilibrium distillation in the solvent reboiler and the feed reboiler contains only feed mixture of which boiling point is much lower than that of the solvent .

含少量溶剂的淬碎物在简单水汽蒸馏作用下容易地脱除剩余溶剂，而制取无油的粒状聚磷酸酯。

The little solvent contained in the broken particles was removed easily by distillation , thus the oil-free PC pellet was prepared .

改用旋转刮板薄膜蒸发器代替原先的简单式蒸馏釜，进行吸收液的粗馏分离，在提高醋酸异丙烯酯馏出率的同时保证残液以液体形态出料。

Used thin film evaporation instead of pervious simple still , improved recovery of isopropenyl acetate and guaranteed residual discharged in liquid form .