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案件記録

UREA MELAMINE PLANT WITH MELAMINE OFF-GAS CONDENSER

発明審査中
8閲覧数
20請求項 · 4 独立
§ Ⅰ

案件概要

IPC分類

C7D 251/60B1D 3/6B1D 53/B1D 53/14B1D 53/18C7C 273/12C7C 273/16C7D 251/62

CPC分類

C7D251/60B1D3/6B1D53/2B1D53/1493B1D53/18C7C273/12C7C273/16C7D251/62B1D2252/204

The disclosure pertains to melamine production coupled to urea production, using a melamine off-gas condenser operating at a pressure of at least 25 bar. In embodiment, carbamate solution from a recovery section of the urea production is supplied to the melamine off-gas condenser. In an embodiment, carbamate solution from melamine mother liquor treatment is supplied to the LP carbamate condenser of the recovery section.

原文(中国語)

The disclosure pertains to melamine production coupled to urea production, using a melamine off-gas condenser operating at a pressure of at least 25 bar. In embodiment, carbamate solution from a recovery section of the urea production is supplied to the melamine off-gas condenser. In an embodiment, carbamate solution from melamine mother liquor treatment is supplied to the LP carbamate condenser of the recovery section.

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