Continuous process for the separation of a partially water solub

Details Continuous process for the separation of a partially water solub Continuous process for the separation of a partially water solub

1989-06-09

1991-02-12

Manoharan, Virginia

Distillation: processes, separatory

And recovering heat by indirect heat exchange

Utilizing recovered heat for heating the distillation zone

203 27, 203 96, 203 97, 203 98, 203DIG8, 423141, B01D 322

Patent

active

049921436

ABSTRACT:
A continuous multistage process for separating a partially water soluble organic component from a slurry containing an insoluble solid, a partially water soluble organic component and optionally water. In this process, the slurry is continuously fed to a tower or column equipped with a suitable vapor/liquid contact device. Energy is applied at a point below the vapor/liquid contact device. Vapors containing the partially soluble organic component exit the tower or column overhead and the inorganic solid is recovered at the bottom of the tower or column. This application of distillation technology to slurries is particularly advantageous in that a more efficient separation of that solid material from the partially soluble organic component is obtained. The improved separation efficiency can be utilized to either lower separation cost and/or to affect a more complete separation in order to obtain a solid material with a lower residual amount of the organic component.

REFERENCES:
patent: 2999795 (1961-09-01), Yagi et al.
patent: 3326266 (1967-06-01), Braithwaite et al.
patent: 3432399 (1969-03-01), Schutt
patent: 4056444 (1977-11-01), Weicht et al.
patent: 4145228 (1979-03-01), Croce et al.
patent: 4161429 (1979-07-01), Baiel et al.
patent: 4336407 (1982-06-01), Smith, Jr.
patent: 4783242 (1988-11-01), Robbins
Grant and Hackh's Chemical Dictionary, Fifth Edition (1987)--p. 541.

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