Mass transfer apparatus

Details Mass transfer apparatus Mass transfer apparatus

1984-09-13

1986-04-15

Bascomb, Wilbur

Distillation: apparatus

Apparatus

Systems

196111, 203 98, 261114R, 261114TC, B01D 332

Patent

active

045825696

ABSTRACT:
Mass transfer apparatus such as a distillation or rectification column which is divided so that the vapor flow is in two streams each in a separate zone, and wherein in each zone the liquid/vapor contacting stages have an inlet and an outlet disposed on opposite sides of an active area but to the same side of the division and such that liquid flow from the inlet across the active area to the outlet is generally rectiliner and parallel to the plane of the division, the locations of the stages in one zone being staggered axially relative to those of the stages in the other zone along the column and the liquid from each outlet being directed to an inlet of the next lower stage in the column whereby the liquid flow down the column is directed alternately from one zone to the other as it is passed successively from stage to stage down the column. This arrangement increases the number of theoretical liquid/vapor contacting stages that can be provided in a column of given length and maximizes mass transfer point efficiency enhancement with an uncomplicated design which permits ready modification of existing columns.

REFERENCES:
patent: 4028191 (1977-06-01), Scott
patent: 4060399 (1977-11-01), Gleason
patent: 4230533 (1980-10-01), Giroux
patent: 4234391 (1980-11-01), Seader
patent: 4238462 (1980-12-01), Hardison
patent: 4361469 (1982-11-01), Trutna
patent: 4496430 (1985-01-01), Jenkins

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