| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint production method of piperazine and triethylenediamine capable of obtaining piperazine more selectively and also at a high yield.SOLUTION: Diethylenetriamine and at least one kind of amine selected from the group consisting of ethylenediamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine and their alkylated bodies are mixed, the mixture is contacted with ZSM-5 type zeolite in which the ion exchange rate in the alkali metal salt is 50% or higher, and reaction is caused.SELECTED DRAWING: None |
