Process for the preparation of high-purity magnesium hydroxide and magnesium oxide from magnesium alkoxides

US6569399B2 · kind B2 · utility

Assignee

• Sasol Germany GmbH · DE

Inventors

• Andrea Brasch · Meldorf, DE
• Klaus Diblitz · Hamburg, DE
• Kai Dolling · Münsterdorf, DE
• Tilo Feldbaum · Hamburg, DE
• Klaus Noweck · Brunsbüttel, DE
• Jan Schiefler · Hamburg, DE

Key dates

• Filing date: Jun 24, 1998
• Grant date: May 27, 2003
• Expiry date: Jun 24, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/80
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

There is provided a process for producing high-purity magnesium hydroxide by reaction of magnesium or reactive magnesium compounds with hydroxy compounds yielding magnesium alkoxides, followed by hydrolysis to form magnesium hydroxide, or a process for producing magnesium oxide by calcination of magnesium hydroxide.