公开(公告)号：US20240270684A1

公开(公告)日：2024-08-15

申请号：US18553330

申请日：2023-07-06

Applicant: Stamicarbon B.V.

Inventor： Ahmed ABDELMAGID ,  Wilhelmus Hubertus GEURTS

IPC: C07C273/12 ,  C07C273/04 ,  C07C273/16 ,  C07D251/60 ,  C07D251/62

CPC classification number: C07C273/12 ,  C07C273/04 ,  C07C273/16 ,  C07D251/60 ,  C07D251/62

Abstract: The disclosure pertains to a process for the production of urea and melamine, wherein off-has from a high pressure melamine plant is combined with a urea liquid obtained from flashing of a urea synthesis solution. Also disclosed is a system for the combined production, and the modification of an existing plant or system.