Melamine quality by reactivation of the melamine synthesis catal

Details Melamine quality by reactivation of the melamine synthesis catal Melamine quality by reactivation of the melamine synthesis catal

1982-09-20

1983-06-07

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25160

Patent

active

043872247

ABSTRACT:
In the synthesis of melamine by conversion of urea in a fluidized catalyst bed, the melamine quality is improved by reactivating the catalyst by treating it, in the fluidized bed, with gases containing steam, in the absence of oxygen, at from 250.degree. to 450.degree. C.

REFERENCES:
patent: 3300493 (1967-01-01), Hamprecht
patent: 3895007 (1975-07-01), Schwarzmann et al.

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