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Publication of MY135334ApublicationCriticalpatent/MY135334A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps
(AREA)
Abstract
A PROCESS FOR PRODUCING A HIGH PURITY TRIALKANOLAMINE EXCELLING IN HUE AND HAVING AN APHA OF NOT MORE THAN 40, CHARACTERIZING BY INCLUDING PRODUCING A MIXED ALKANOLAMINE BY THE REACTION OF AN ALKYLENE OXIDE WITH AMMONIA; REMOVING LOW-BOILING SUBSTANCES FROM THE MIXED ALKANOLAMINE; REMOVING HIGH-BOILING SUBSTANCES BY SUBJECTING THE PRODUCT DEPRIVED OF THE LOW-BOILING SUBSTANCE TO VACUUM DISTILLATION, AND REDISTILLING THE DISTILLATE OBTAINED BY THE VACUUM DISTILLATION.
MYPI200402632003-06-172004-01-29Process for producing high purity trialkanolamine
MY135334A
(en)