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Separation of 3-Picoline and 4-Picoline(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2004年02期
Page:
11-13
Research Field:
Publishing date:

Info

Title:
Separation of 3-Picoline and 4-Picoline
Author(s):
SUN Chunxia;  PENG Panying;  WANG Yuping;  CUI Shihai;  DING Haiyan
School of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097, China
Keywords:
3-picoline;  4-picoline;  extractive distillation;  extractant;  p-methylbenzenesulfonic acid
PACS:
TQ028
DOI:
-
Abstract:
The effect of different extractants such as alcohols, phenol and carboxylic acids on the relative volatility( αAB ) of 3 picoline and 4-picoline was determined in a recircalating still. The possibility of 4-methylbenzenesulfonic acid ( p-TSA) as a proper extractant was discussed in the extractive distillation of 3-picoline and 4-picoline. The extractant enhanced αAB from 1.02 to over 1. 5. The effects of extractant amount the concentration of 3-picoline on αAB was also studied.

References:

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Last Update: 2013-04-29