05783047 is referenced by 14 patents and cites 10 patents.

A monotube or multitube 2 is coupled to a body shell 1 via tube plates 3a and 3b at both ends, so that a tube interior 4 and a tube exterior 5 of the monotube or multitube 2 are isolated from each other. A difference is made in operating pressure between the tube interior 4 and the tube exterior 5, so that one of the tube interior 4 and the tube exterior 5 is used as a lower-pressure column and the other is used as a higher-pressure column. A wall of the tube is used as a heat transfer surface, so that heat is transferred from the higher pressure side (higher temperature side) to the lower pressure side (lower temperature side). Monotubes or multitubes 2 having different diameters are connected to each other via a reducer 20, so that a monotube or multitube 2 whose diameters are varied stepwise is disposed between the tube plates 3a and 3b at the upper and lower ends, thereby increasing the column cross-sectional area as moving from the top to the bottom of the column in the enriching section (tube interior) 4, and decreasing the column cross-sectional area as moving from the top to the bottom of the column in the stripping section (tube exterior) 5.

Title
Heat integrated distillation column
Application Number
8/637043
Publication Number
5783047
Application Date
April 24, 1996
Publication Date
July 21, 1998
Inventor
Nobuyuki Kobayashi
Tokyo
JP
Tomoaki Takada
Tokyo
JP
Hideo Noda
Amagasaki
JP
Hiroshi Matsuo
Habikino
JP
Kazumasa Aso
Kawanishi
JP
Agent
Armstrong Westerman Hattori McLeland & Naughton
Assignee
Maruzen Petrochemical
JP
Kansai Chemical Engineering
JP
Kimura Chemical Plants
JP
IPC
B01D 3/02
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