炭化水素からノルマルパラフィンを分離する方法及び分離された炭化水素の用途

Japanese Patent JP2005508440

A

There is provided with a process for separating normal paraffins from hydrocarbons of C5-10 using zeolite molecular sieve 5A, which comprises the steps of (a) selective adsorption (b) cocurrent purge (c) countercurrent desorption. The present process employs butane for purge and desorption step to achieve excellent desorption efficiency and recycles butane in liquid phase to reduce the investment cost. The optimum operating conditions for feedstock change and adsorption capacity reduction are determined by NIR system for on-line monitoring and control. The separated normal paraffins can be efficiently applied to raw material for ethylene production and the separated non-normal paraffins can be efficiently applied to raw material for aromatic hydrocarbons production.

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Choi, Song
Lee, Sung-Zun
Kang, Shin-Chul
Kim, Sun-won
Gu, Min-Sik
Choi, Ann-Sop
Zhang, Byung-mu

JP2003542306A

March 31, 2005

July 26, 2002

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SK Corporation

G01N21/35; B01D53/04; B01J20/281; C10G25/00; C10G25/03; C10G53/08; C10G53/16; C10G55/04; C10G61/06; C10G73/02; G01N30/00; G01N30/26; G01N30/30; G01N30/32; G01N30/46; G01N30/74; G01N30/88; (IPC1-7): C10G25/03; B01D53/04; C10G53/08; C10G53/16; C10G55/04; C10G61/06; G01N21/35; G01N30/00; G01N30/26; G01N30/30; G01N30/32; G01N30/46; G01N30/48; G01N30/74; G01N30/88

Calyx
Miyazaki Yoshio
Mitsuo Tateishi
Toshio Nakamura
Tsutomu Kato
Kaoru Onozuka
High Masahiro
Yusuke Murakoshi
Tomoaki Komiya

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