Zeolite rho and ZK-5 catalysts for conversion of methanol and am

Details Zeolite rho and ZK-5 catalysts for conversion of methanol and am Zeolite rho and ZK-5 catalysts for conversion of methanol and am

1986-06-27

1989-03-21

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564479, 423328, 423329, C07C 8502, C07C 8506

Patent

active

048145033

ABSTRACT:
Improved acidic zeolite rho and ZK-5 catalysts for conversion of methanol and ammonia to dimethylamine are disclosed. The acidic zeolite rho catalyst is prepared by calcining zeolite NH.sub.4 -rho or H-rho in the presence of steam. The acidic zeolite ZK-5 catalyst is prepared by calcining zeolite NH.sub.4 -ZK-5 or H-ZK-5 in the presence of steam. An acidic zeolite rho which has been prepared by calcining zeolite NH.sub.4 -rho in a vertical furnace in the presence of ammonia is disclosed. Processes for producing dimethylamine with the specified catalysts are also disclosed.

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