Hydroformylation process

US9067876B2 · kind B2 · utility

Assignee

• Dow Technology Investments LLC · US

Inventors

• Michael Becker · Ludwigshafen, DE
• James D. Duston · Alvin, US
• Victoria L. Biedenstein · Eden Prairie, US
• Steven H. Fisher · Houston, US
• Glenn A. Miller · Richmond, US

Key dates

• Filing date: Oct 24, 2012
• Grant date: Jun 30, 2015
• Expiry date: Oct 24, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/582
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Disclosed is an improved exothermic hydroformylation process having at least two reaction stages. Cooling is provided by externally cooling a stream of reaction mixture from one of the stages, dividing the cooled stream into at least two cooled reaction mixture streams; transferring one cooled reaction mixture stream back into the same reaction stage from which it was removed to cool the reaction mixture in that reaction stage; and transferring at least one cooled reaction mixture stream(s) into and through heat exchange means that cool a different reaction stage, and returning it to the same reaction stage from which it was removed.