Shortened liquid phase high-pressure

This plant will use the high-pressure Shortened Liquid Phase (SLP) process developed by DSM. Melamine produced with the SLP process has the same quality as melamine produced in the gas phase (or low pressure) process. The new technology is a result of DSM s further development of a process acquired from MCI (Melamine Chemical Industries) in 1997. The SLP process is expected to increase efficiency by 25%. It is also expected to enable the plant to reach a level of cost-effectiveness similar to a 100,000 tonnes/year production facility. The new process requires only 3 or 4 processing steps, in contrast to the 10 steps in conventional processes115,231. The process employs the same raw materials as the low-pressure urea process, but the final melamine recrystallization step is eliminated. The company may be able to make 99% purity melamine without recrystallization114. 

DSM Melamine started up a new 30,000-tonne per year melamine plant in 2004 and reached design capacity in 2006. This plant will use the high-pressure shortened liquid phase (SLP) process developed by DSM. The... 

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