Modified 8-ring zeolites as catalysts for conversion of...

Details Modified 8-ring zeolites as catalysts for conversion of... Modified 8-ring zeolites as catalysts for conversion of...

B - Operations, Transporting

01

J

252/2.B, 260/609

B01J 29/08 (2006.01) B01J 29/50 (2006.01) B01J 29/70 (2006.01)

Patent

CA 1260910

TITLE Modified 8-Ring Zeolites as Catalysts for Conversion of Methanol and Ammonia to Dimethylamine ABSTRACT A process for producing dimethylamine is provided, comprising reacting methanol and/or dimethylether and ammonia, in amounts sufficient to provide a carbon/nitrogen (C/N) ratio from about 0.2 to about 1.5. and at a temperature from about 250°C to about 450°C, in the presence of a catalytic amount of a modified acidic zeolite selected from the group consisting of chabazite, erionite, ZK-5, and rho, the zeolite having been modified by treatment with one or more compounds containing at least one element selected from the group consisting of silicon, aluminum. phosphorus, and boron, to deposit thereon at least 0.05 weight percent of the element.

507836

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