Metallgesellschaft Aktiengesellschaft

Lutz Weidemann

Emil Supp

Friedemann Marschner

Hans Kupfer

Heinz Hiller

A reactor is provided for producing methanol by the reaction of synthesis gases containing carbon oxides and hydrogen in contact with a copper containing catalyst positioned in the reactor in catalyst tubes surrounded by boiling water under pressure. The catalyst tubes are made from a metallic material which is catalytically inactive with respect to the methanol synthesis gas and have approximately the same coefficient of thermal expansion as the shell of the reactor. The catalyst tubes are made of a steel composed of mixed austeniticferritic structure and containing 10-30% by weight chromium.

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Steinbach, Germany

Lutz Weidemann