Process for the epoxidation of an olefin

US10428035B2 · kind B2 · utility

Assignees

• EVONIK DEGUSSA GMBH · DE
• THYSSENKRUPP INDUSTRIAL SOLUTIONS AG · DE

Inventors

• Matthias Pascaly · Hachenburg, DE
• Manfred Bärz · Alzenau, DE
• Marc Brendel · Bruchköbel, DE
• Robert Jahn · Saginaw, US
• Jürgen Schemel · Bad Soden, DE
• Michael Dopfer · Pocking, DE

Key dates

• Filing date: Nov 1, 2016
• Grant date: Oct 1, 2019
• Expiry date: Nov 1, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D303/04
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

In a process for the epoxidation of an olefin by continuously reacting the olefin with hydrogen peroxide in a methanol solvent on a fixed bed epoxidation catalyst comprising a titanium zeolite, the hydrogen peroxide is used as an aqueous hydrogen peroxide solution made by an anthraquinone process, the aqueous hydrogen peroxide solution is mixed with methanol to give a feed mixture and this feed mixture is filtered before being contacted with the fixed bed epoxidation catalyst.