Invention Grant
- Patent Title: Separation process for C8 aromatics mixture
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Application No.: US15505593Application Date: 2014-09-05
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Publication No.: US10427994B2Publication Date: 2019-10-01
- Inventor: Attapong Thirasak , Alisa Kammafoo , Wiroon Tanthapanichakoon , Zhongyi Ding , Sachin Joshi , Arnat Prombunglum , Worawut Tamthaisong , Purachet Pitipuech
- Applicant: SCG CHEMICALS COMPANY LIMITED , GTC Technology US, LLC
- Applicant Address: TH Bangkok US TX Houston
- Assignee: SCG CHEMICALS CO., LTD.,GTC TECHNOLOGY US, LLC
- Current Assignee: SCG CHEMICALS CO., LTD.,GTC TECHNOLOGY US, LLC
- Current Assignee Address: TH Bangkok US TX Houston
- Agency: Dorsey & Whitney LLP
- International Application: PCT/US2014/054388 WO 20140905
- International Announcement: WO2016/036388 WO 20160310
- Main IPC: C07C7/08
- IPC: C07C7/08 ; C07C7/06 ; B01D3/36 ; B01D3/38 ; B01D3/40
Abstract:
Process for the distillative separation of ethylbenzene from a mixture comprising ethylbenzene and at least one other C8 aromatic compound, comprising distilling said mixture in a distillation column in the presence of an extractive solvent, characterized in that the distillation column is operated at a sub-atmospheric pressure.
Public/Granted literature
- US20170240489A1 SEPARATION PROCESS FOR C8 AROMATICS MIXTURE Public/Granted day:2017-08-24
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