Title:
METHOD FOR PREPARING 1,3-BUTADIENE
Document Type and Number:
WIPO Patent Application WO/2019/168276
Kind Code:
A1
Abstract:
The present specification relates to a method for preparing 1,3-butadiene, comprising the steps of: (A) obtaining, from a reactant comprising butene, a first product comprising a light component, 1,3-butadiene and a heavy component; (B) performing heat exchange on the first product, and then condensing the heavy component, thereby separating same from a second product comprising the 1,3-butadiene and the light component; and (C) reheating the condensed heavy component so as to separate out a concentrated heavy component.
Inventors:
NAM HYUNSEOK (KR)
KANG JUN HAN (KR)
CHA KYONG YONG (KR)
JEONG JAEWON (KR)
KO DONG HYUN (KR)
HAN JUN KYU (KR)
HAN SANG JIN (KR)
LEE KYUNG MOO (KR)
LEE JOOHYUCK (KR)
CHOI DAEHEUNG (KR)
SUH MYUNGJI (KR)
HWANG YE SEUL (KR)
HWANG SUNHWAN (KR)
KIM SEONGMIN (KR)
KANG JUN HAN (KR)
CHA KYONG YONG (KR)
JEONG JAEWON (KR)
KO DONG HYUN (KR)
HAN JUN KYU (KR)
HAN SANG JIN (KR)
LEE KYUNG MOO (KR)
LEE JOOHYUCK (KR)
CHOI DAEHEUNG (KR)
SUH MYUNGJI (KR)
HWANG YE SEUL (KR)
HWANG SUNHWAN (KR)
KIM SEONGMIN (KR)
Application Number:
PCT/KR2019/001437
Publication Date:
September 06, 2019
Filing Date:
February 01, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C07C7/00; C07C5/48; C07C11/167
Domestic Patent References:
| WO2017133997A1 | 2017-08-10 |
Foreign References:
| KR101789892B1 | 2017-11-20 | |||
| KR20170084076A | 2017-07-19 | |||
| KR20170063608A | 2017-06-08 | |||
| KR20150080495A | 2015-07-09 | |||
| KR20180023838A | 2018-03-07 |
Other References:
See also references of EP 3760606A4
Attorney, Agent or Firm:
CHUNG, Soon-Sung (KR)
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