Apparatus for regenerating absorbent and method of operating the

Details Apparatus for regenerating absorbent and method of operating the Apparatus for regenerating absorbent and method of operating the

1980-10-29

1982-04-20

Yudkoff, Norman

Concentrating evaporators

Processes

Involving waste liquid

62 17, 55 68, 55 73, 159DIG10, B01D 100

Patent

active

043257828

ABSTRACT:
An apparatus for the regenerating of absorbent is disclosed wherein the apparatus comprises a regenerating column provided with mass transfer-promoting elements. The regenerating column comprises an upper regenerating zone which can be shut down and is provided with at least one shutoff valve-controlled inlet for laden absorbent and a lower second regenerating zone provided with a second shutoff valve-controlled inlet for the same laden absorbent, the volume ratio of the second regenerating zone to the upper regenerating zone being at least about 1.5:1. A process for regenerating laden absorbent is also disclosed.

REFERENCES:
patent: 2288461 (1942-06-01), Keith, Jr. et al.
patent: 3453835 (1969-07-01), Hochgesand
patent: 3657375 (1972-04-01), Brunner et al.
patent: 3710546 (1973-01-01), Grunewald et al.
patent: 3824766 (1974-07-01), Valentine

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