USE OF UREA CONTAINING FORMALDEHYDE IN A PROCESS FOR THE PRODUCTION OF MELAMINE BY THE PYROLYSIS OF UREA AND RELATED PROCESS FOR THE PRODUCTION OF MELAMINE

摘要

It is described the use of urea containing formaldehyde in a process for the production of melamine by the pyrolysis of urea, which can be applied both to a high-pressure process and to a low-pressure process.