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1. (WO2018181295) RECTIFICATION DEVICE

Pub. No.:    WO/2018/181295    International Application No.:    PCT/JP2018/012404
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Wed Mar 28 01:59:59 CEST 2018
IPC: B01D 3/26
B01D 3/32
C01C 1/02
C01C 1/10
C01C 1/12
Applicants: SUMITOMO SEIKA CHEMICALS CO., LTD.
住友精化株式会社
Inventors: NISHIYAMA, Norio
西山 哲央
TOKISATO, Kazuhiko
時里 一彦
MINAMI, Hidenori
南 秀典
KOMORI, Yoshiro
小森 義郎
Title: RECTIFICATION DEVICE
Abstract:
A rectification device that purifies crude gas, the rectification device comprising: a rectification unit into which the crude gas is introduced and in which a rectification process is performed on the crude gas; and a processing container having in the interior thereof a bottom space disposed below the rectification unit, and a top space disposed above the rectification unit. A fill material that aids gas-liquid contact is disposed in the rectification unit, and a calandria reboiler, which heats and gasifies liquefied gas while naturally circulating the liquefied gas inside the bottom space, is disposed inside the bottom space.