Production of diethanolamine

Details Production of diethanolamine Production of diethanolamine

1998-09-08

2000-05-16

Barts, Samuel

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C21300

Patent

active

060639652

ABSTRACT:
This invention concerns a process for preparation of alkanolamines such as diethanolamine (DEA) from ammonia and an alkylene oxide such as ethylene oxide. The yield of DEA may be increased by adding monoethanolamine (MEA) to the second feed in a split feed reactor scheme. The process can be conducted as a multistep process, such as by reacting a portion of the ethylene oxide followed by addition of a second charge of ethylene oxide after complete reaction of the first charge of ethylene oxide.

REFERENCES:
McMillan, Thomas I., "Ethylene Oxide Derivatives" SRI International Report No. 193, Private Report by the Process Economics Program, Jan. 1991.

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