Invention Grant
- Patent Title: Raffinate-2 refining method
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Application No.: US16633053Application Date: 2018-08-17
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Publication No.: US11040929B2Publication Date: 2021-06-22
- Inventor: Sung Kyun Kim , Sung Kyu Lee , Joon Ho Shin
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Dentons US LLP
- Priority: KR10-2017-0154002 20171117
- International Application: PCT/KR2018/009458 WO 20180817
- International Announcement: WO2019/098500 WO 20190523
- Main IPC: C07C7/04
- IPC: C07C7/04 ; C07C11/08 ; B01D3/14 ; B01D5/00
Abstract:
Provided is a method of separating and refining 1-butene with a high purity and a high yield from a raffinate-2 stream, and recovering the refined 1-butene while maximizing an energy saving rate by using a high efficiency distillation column installed with a separation wall.
Public/Granted literature
- US20200207687A1 Raffinate-2 Refining Method Public/Granted day:2020-07-02
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