Method for producing a dealuminized catalyst support

US6881699B1 · kind B1 · utility

Assignee

• Sasol Germany GmbH · DE

Inventors

• Michael Sakuth · Marl, DE
• Gregor Lohrengel · Essen, DE
• Dietrich Maschmeyer · Recklinghausen, DE
• Guido Stochniol · Haltern am See, DE

Key dates

• Filing date: Jul 1, 1999
• Grant date: Apr 19, 2005
• Expiry date: Jul 1, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C29/08
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

What is claimed is a dealuminated catalyst carrier, a process for producing a catalyst carrier with reduced aluminum content based on naturally occurring lattice-layer silicates, such as, for example, montmorillonite, as well as a process for the hydration reaction of C2- or C3-olefins in which said catalyst carrier with reduced aluminium content is used. For acid-catalysed hydration reaction the catalyst carrier is impregnated with phosphoric acid. The improvements according to the invention of the hydration reaction compared to conventional processes include the fact that no aluminium is leached out of the carrier in the presence of the phosphoric acid. As a result no more blockage of the succeeding apparatus due to aluminium phosphate is expected.