[1]周彩荣,郝红英,强黎明,等.1,2-环己二醇的分离与提纯[J].郑州大学学报(工学版),2004,25(03):6-8,13.[doi:10.3969/j.issn.1671-6833.2004.03.002]
　ZHOU Cairong,Hao Hongying,Strong Dawn,et al.Isolation and purification of 1,2-cyclohexanediol[J].Journal of Zhengzhou University (Engineering Science),2004,25(03):6-8,13.[doi:10.3969/j.issn.1671-6833.2004.03.002]

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1,2-环己二醇的分离与提纯()

分享到：

《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:

25卷

期数:

2004年03期

页码:

6-8,13

栏目:

出版日期:

1900-01-01

文章信息/Info

Title:

Isolation and purification of 1,2-cyclohexanediol

作者:

周彩荣; 郝红英; 强黎明; 等.

郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002

Author(s):

ZHOU Cairong; Hao Hongying; Strong Dawn; etc

关键词:

1;  2-环己二醇;  精馏;  提纯

Keywords:

1;  2-Cyclohexanediol;  rectification;  Purification

DOI:

10.3969/j.issn.1671-6833.2004.03.002

文献标志码:

A

摘要:

应用间歇减压精馏对热敏性、高沸点、高凝固点的有机物--反式-1,2-环己二醇进行分离、提纯,通过采用变压强、变回流比的方法,优化出了最佳的操作工艺条件.操作条件是:塔顶用温度为96℃左右的热水作冷凝介质;全回流开工时间2 h;控制釜温180～185℃,分段恒真空度0.086～0.092 MPa;分段恒回流比5→8→12.在此操作条件下所得产品的收率在87%以上,产品纯度可达98%以上,色泽较白.

Abstract:

Batch vacuum rectification was used to separate and purify the heat-sensitive, high boiling point and high freezing point organic matter trans-1,2-cyclohexanediol, and the optimal operating process conditions were optimized by using the method of variable pressure strength and variable reflux ratio. The operating conditions are: hot water with a temperature of about 96 °C is used as the condensing medium at the top of the tower; Full reflux start time: 2 h; Control kettle temperature 180~185°C, segmented constant vacuum 0.086~0.092 MPa; The segmented constant reflux ratio is 5→8→12. The yield of the product obtained under this operating condition is more than 87%, the purity of the product can reach more than 98%, and the color is white.

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