Process for preparing melamine
A process for preparing melamine includes such steps as reaction to generate material gas, cooling in hot gas cooler by hot water, filtering, crystallizing, separating solid product from gas, absorbing Co2 from said gas to obtain pure ammonia gas, compressing, using part of compressed ammonia as the...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A process for preparing melamine includes such steps as reaction to generate material gas, cooling in hot gas cooler by hot water, filtering, crystallizing, separating solid product from gas, absorbing Co2 from said gas to obtain pure ammonia gas, compressing, using part of compressed ammonia as the fluidizing gas of reactor and using the rest as cooling medium of crystallizer. |
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