Method for producing melamine with heat recovery

Details Method for producing melamine with heat recovery Method for producing melamine with heat recovery

2011-07-12

2011-07-12

Balasubramanian, Venkataraman (Department: 1624)

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C544S203000

Reexamination Certificate

active

07977479

ABSTRACT:
The invention relates to a method for producing melamine by decomposing urea inside a fluidised bed reactor, during which the hot reaction gas is cooled inside a gas cooler, and the obtained heat is directly used for pre-heating the fluidizing gas required for creating the fluidized bed.

REFERENCES:
patent: 3895007 (1975-07-01), Schwarzmann et al.
patent: 4348520 (1982-09-01), Bruls et al.
Crews et al: “Melamine and Guanamines”, Ullmann's Encyclopedia of Industrial Chemistry, vol. 21, 2003, pp. 205-216, figures 1-3.
Abstract of CN 000001188761A; Jiang Dazhou; Preparation technology of melamine and its device, Jul. 29, 1998.

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