Invention Grant
- Patent Title: Method for removing cobalt deposits in a high-pressure olefin hydroformylation reactor
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Application No.: US14909852Application Date: 2014-07-30
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Publication No.: US10385422B2Publication Date: 2019-08-20
- Inventor: Jens Rudolph , Rainer Papp
- Applicant: BASF SE
- Applicant Address: DE
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE
- Agency: Drinker Biddle & Reath LLP
- Priority: EP13179688 20130808
- International Application: PCT/EP2014/066372 WO 20140730
- International Announcement: WO2015/018710 WO 20150212
- Main IPC: B08B9/08
- IPC: B08B9/08 ; B08B3/08 ; C22B3/00 ; B01J19/00 ; B01J19/24 ; C07C45/50 ; C11D7/08 ; C11D11/00 ; C22B3/44 ; C22B7/00
Abstract:
Method of removing cobalt deposits in a reactor for the cobalt-catalyzed high-pressure hydroformylation of olefins by treatment with aqueous nitric acid, wherein the reactor is at least partly filled with aqueous nitric acid and the temperature of the aqueous nitric acid is increased during the treatment.
Public/Granted literature
- US20160265084A1 METHOD FOR REMOVING COBALT DEPOSITS IN A HIGH-PRESSURE OLEFIN HYDROFORMYLATION REACTOR Public/Granted day:2016-09-15
Information query
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