Process and reactor for preparing ethanolamines

Details Process and reactor for preparing ethanolamines Process and reactor for preparing ethanolamines

1977-07-11

1978-10-10

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

422208, 422234, 422236, C07C 85145, B01D 302

Patent

active

041196708

ABSTRACT:
Ethanolamines are prepared by the reaction of ethylene oxide with ammonia, using an apparatus consisting of a reactor (A) comprising a vertical multitube heat exchanger type reaction chamber 20 composed of a shell plate 9, a top tube plate 10a, a bottom tube plate 10b and tubes 11 and including buffer plates 18 within a shell-side space 15; a gas-liquid separating drum 12 located over the top tube plate 10a of the reaction chamber 20; a circulating pipe 14 connecting the gas-liquid separating drum 12 to a bottom space 32 leading to a tube-side space 13 of the reaction chamber 20; an ammonia solution-introducing tube 8 and a plurality of ethylene oxide-introducing tubes 19, which are both provided so as to be opened into the shell-side space 15 of the reaction chamber 20; and a conduit 16 connecting the shell-side space 15 of the reaction chamber 20, the bottom space 32 of the reaction chamber 20 and the gas-liquid separating drum 12 and pressure control valve 17a and valve 17b provided in the path of the conduit 16; an ammonia desorption tower (B); and an ammonia absorption tower (C).

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patent: 3008807 (1961-11-01), Hilgert et al.
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patent: 3723530 (1973-03-01), Goetze et al.
patent: 3732266 (1973-05-01), Dudrow et al.
patent: 3849262 (1974-11-01), Cocuzza

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