Distillation column with helical liquid flow and dissymmetric sp

Details Distillation column with helical liquid flow and dissymmetric sp Distillation column with helical liquid flow and dissymmetric sp

1987-02-18

1989-05-02

Schor, Kenneth M.

Distillation: apparatus

Apparatus

Systems

202269, 2611141, 196111, 208347, B01D 332

Patent

active

048265748

ABSTRACT:
A circular section column with helical liquid flow is divided by a vertical wall 10 into two gas and vapor tight sectors A and B, each sector housing a series of trays.
The trays disposed are designated respectively 1a, 2a and 3a for sector A and 1b, 2b and 3b for sector B.
The distance D separating each two successive half trays of a given series is constant.
On the other hand, the half-trays of one series are each staggered in the axial direction of the column with respect to the half-trays of the other series by a spacing d which is less than half the distance D.
This arrangement allows a greater number of half-trays to be housed in a column of a given height, or the height of a column for a given number of trays to be decreased.

REFERENCES:
patent: 3364124 (1968-01-01), Walker et al.
patent: 3434701 (1969-03-01), Bauer
patent: 4028191 (1977-06-01), Scott
patent: 4582569 (1986-04-01), Jenkins
patent: 4664785 (1987-05-01), Devos et al.
Canfield, "Computer Simulation of the Parastillation Process"; AICHE; Jun. 1983, pp. 1-19.
Science/Technology Concentrates, "Separation Method Takes New Approach", C & EN, Jul. 11, 1983, p. 15.
Chemical Week, "Distillation with Less Energy", Oct. 19, 1983, pp. 31 & 32.

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