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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 (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
KANG, Jun Han (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
CHA, Kyong Yong (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
JEONG, Jaewon (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
KO, Dong Hyun (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
HAN, Jun Kyu (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
HAN, Sang Jin (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
LEE, Kyung Moo (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
LEE, Joohyuck (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
CHOI, Daeheung (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
SUH, Myungji (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
HWANG, Ye Seul (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
HWANG, Sunhwan (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
KIM, Seongmin (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
Application Number:
KR2019/001437
Publication Date:
September 06, 2019
Filing Date:
February 01, 2019
Export Citation:
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Assignee:
LG CHEM, LTD. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
C07C7/00; C07C5/48; C07C11/167
Attorney, Agent or Firm:
CHUNG, Soon-Sung (6F Tower837 Bldg, 318 Gangnam-daero,,Gangnam-gu, Seoul, 06253, KR)
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