2017 04 Dao Single solution to the formation of polymer in top of the Vacuum separator

Two major urea melt technologies are the Saipem NH3 stripping technology, which has been introduced since 1971 [1]. The medium pressure section is one of the main differences with the Stamicarbon CO2 stripping technology. In this paper, we discuss our experience with and propose an innovate solution for the vacuum concentrator, the most unstable part in our Saipem NH3 stripping plant.


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