About this document
Melamine Production from Urea Process by Aquae Tyo Wijianto is a document available to read on EtoBox.
Patented Aug. 28, 1951 2,566,231 The document describes a process for preparing melamine by heating urea at temperatures of 300°C or higher. At these elevated temperatures, urea and its decomposition products react to form melamine, ammonia, and carbon dioxide. Optimal yields are obtained by heating urea at temperatures between 350-600°C for periods of 6 hours or less. Heating urea above 400°C for extended times is unnecessary. The melamine sublimes and condenses in fine, needle-like crystals of high purit
- Author
- Aquae Tyo Wijianto
- Language
- EN