Iron- and manganese-comprising heterogeneous catalyst and process for preparing olefins by reacting carbon monoxide with hydrogen

US8618016B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Jochen Steiner · Bensheim, DE
• Kerem Bay · Ludwigshafen, DE
• Vera Werner · Lingenfeld, DE
• Jürgen Amann · Dudenhofen, DE
• Stefan Bunzel · Altrip, DE
• Claudia Moβbacher · Deidesheim, DE
• Joachim Müller · Bad Kötzting, DE
• Ekkehard Schwab · Neustadt, DE
• Markus Weber · Langenfeld, DE

Key dates

• Filing date: Nov 5, 2010
• Grant date: Dec 31, 2013
• Expiry date: Aug 9, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10G2400/20
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Iron- and manganese-containing heterogeneous catalyst, and a process for producing it, including the following steps: thermal decomposition of gaseous iron pentacarbonyl to give carbonyl iron powder having spherical primary particles; treatment of carbonyl iron powder with hydrogen, resulting in the metallic spherical primary particles at least partly agglomerating; surface oxidation of the iron particles to form iron oxide; contacting the particles with an aqueous solution of a manganese compound; drying in the presence of oxygen and subsequent calcination in the absence of oxygen, resulting in oxygen-comprising manganese compounds on the particles; and finally reaction of these with the iron oxide to form a mixed oxide of the formula MnxFe3-xO4, where 0<x≦2. Process for preparing olefins by reacting carbon monoxide with hydrogen in the presence of a catalyst, wherein the abovementioned iron- and manganese-comprising heterogeneous catalyst is used as catalyst.