Technology Type
- Type
- Amination of Ethylene Oxide
- Process
- Amination
- Abbreviation
- Description
- Ethylene Oxide reacts exothermically with 20-30% Aqueous Ammonia at 60-150°C and 30-150 bar to form a Mixture of the three theoretically possible Ethanolamines with high selectivity: C2H4(O) + NH3 ? H2NC2H4OH + HN(C2H4OH)2 + N(C2H4OH)3 The composition of the Reaction Product can be influenced by Temperature and Pressure, but is especially sensitive to the ratio of NH3 to Ethylene Oxide; the greater the excess of NH3, the higher the Monoethanolamine Content: ??Mol ratio NH3/EO = 10:1 - Selectivity 75% MEA | 21% DEA | 4% TEA ??Mol ratio NH3/EO = 1:1 - Selectivity 12% MEA | 23% DEA | 65% TEA The high TEA content resulting from an equimolar Mixture of Reactants indicates that the primary Reaction with NH3 is slower than the secondary Reaction. Ethoxylated By-products can also result from the reaction between Ethylene Oxide and the OH Groups of Triethanolamine.
- Link
System Info
- Updated by
-
Kokel, Nicolas - Updated
- 4/16/2022 6:21 AM
- Added
- 4/16/2022 6:12 AM
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| Technology | Owner | Entity |
|---|---|---|
|
Dow Inc. |
