Invention Grant
- Patent Title: Method and apparatus for treating offgases in a acetic acid production unit
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Application No.: US15315154Application Date: 2015-06-16
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Publication No.: US10537847B2Publication Date: 2020-01-21
- Inventor: Timothy Crispin Bristow , Paul David Williams
- Applicant: BP CHEMICALS LIMITED
- Applicant Address: GB Middlesex
- Assignee: BP Chemicals Limited
- Current Assignee: BP Chemicals Limited
- Current Assignee Address: GB Middlesex
- Agency: McDonnell Boehnen Hulbert & Berghoff LLP
- Priority: EP14172828 20140617
- International Application: PCT/EP2015/063495 WO 20150616
- International Announcement: WO2015/193328 WO 20151223
- Main IPC: B01D53/14
- IPC: B01D53/14 ; B01D53/18 ; C07C51/12 ; C07C51/48 ; C07C51/42
Abstract:
A method for scrubbing off-gas generated in production units for the manufacture of acetic acid and an apparatus therefor. The method comprises supplying off-gas and acetic acid solvent at a tick-over flow rate to an acetic acid scrubbing unit, withdrawing off-gas from the scrubbing unit, supplying withdrawn off-gas to a methanol scrubbing unit, scrubbing the off-gas therein with methanol solvent and withdrawing scrubbed off-gas from the methanol scrubbing unit.
Public/Granted literature
- US20180117526A1 METHOD AND APPARATUS FOR TREATING OFFGASES IN A ACETIC ACID PRODUCTION UNIT Public/Granted day:2018-05-03
Information query
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