Basf Se Corporation

Tom Fremau

Johann-Peter Melder

Bernd Stein

Thilo Hahn

Gunther Van Cauwenberge

Jürgen Moors

A process for preparing pure triethanolamine (TEOA) by continuously distillatively separating an ethanolamine mixture comprising TEOA and diethanolamine (DEOA), by distilling off DEOA in a distillation column (DEOA column) and supplying the resulting bottom stream comprising TEOA to a downstream column (TEOA column) in which the pure TEOA is withdrawn as a side draw stream, wherein the residence time of the ethanolamine mixture in the bottom of the DEOA column is &#x3c;20 minutes.

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Brasschaat, Belgium

Tom Fremau