METHOD FOR PRODUCING AMINOETHYLETHANOLAMINE AND/OR HYDROXYETHYL PIPERAZINE

摘要

In a method for producing aminoethylethanolamine, hydroxyethyl piperazine or both these compounds, ethylenediamine, piperazine or a mixture thereof is continously ethoxylated in an excess of ethylenediamine and/or piperazine. The resulting ethoxylation product flow is then processed by distillation in a distillation plant for processing an amination product flow obtained in the amination of monoethanolamine with ammonia.