Process for cooling melamine synthesis waste gases

Details Process for cooling melamine synthesis waste gases Process for cooling melamine synthesis waste gases

1977-12-27

1979-02-06

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

55 84, 544201, C07D25160, C07D25162

Patent

active

041385608

ABSTRACT:
Melamine synthesis waste gases are first treated for the removal of melamine by condensation. The waste gases are then treated with urea-containing melts which are cooled indirectly. At least parts of said indirect cooling takes place together with the treatment of the reaction waste gases with the urea-containing melts in a single zone.

REFERENCES:
patent: 3310558 (1967-03-01), Oele et al.
patent: 3386999 (1968-06-01), Manes
patent: 3513167 (1970-05-01), Fromm et al.
patent: 3682911 (1972-08-01), Kaasenbrood et al.
patent: 3697519 (1972-10-01), Kaasenbrood
patent: 3700672 (1972-10-01), Kokubo et al.
patent: 3708536 (1973-01-01), Hillenbrand
patent: 3979392 (1976-09-01), Eguchi et al.

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