Stripping column installation for separating materials with high

Details Stripping column installation for separating materials with high Stripping column installation for separating materials with high

1990-02-02

1991-10-15

Bascomb, Jr., Wibur

Distillation: apparatus

Apparatus

Systems

202237, 165161, 203 98, 203DIG19, B01D 314

Patent

active

050571907

ABSTRACT:
A stripping column installation especially for separating starting materials with a high boiling point difference comprises a stripping column having a withdrawal plate and a column sump, and a circulating boiler connected with the stripping column and having a pipe bundle through which a sump product from the stripping column flows. The circulating boiler has an upper plate and a separating wall which separates a space above the upper plate into two chambers. One of the chambers has a connection for receiving the sump product from the stripping column, while the other of the chambers has a connection for discharging the sump product after heating in the boiler. The circulating boiler is located relative to the stripping column so that a height difference is produced between a liquid level on the withdrawal plate of the stripping column and the upper plate of the circulating boiler, the height difference having a value selected so that a total pressure of a liquid column at each point of a first portion of a pipe path in the circulating boiler lies above the vapor pressure of the sump product to be heated.

REFERENCES:
patent: 1806282 (1931-05-01), Dubbs
patent: 2224984 (1940-12-01), Potts et al.
patent: 2398213 (1946-04-01), Dutson et al.
patent: 3177129 (1965-04-01), Huckins
patent: 3691022 (1972-09-01), Keunecke et al.
patent: 4142578 (1979-03-01), Smith
patent: 4323431 (1982-04-01), Takahashi et al.

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