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1976 Guadalupi Snamprogetti 3954861 Urea Process HP ejector
This patent written by Mr. Mario Guafalupi and Mr. Umberto Zardi describes the application of a High Pressure ejector driven by liquid ammonia to introduce the carbamate from the high pressure carbamate condenser into the high pressure reactor.
1976 Guadalupi Snamprogetti 3954861 Urea Process HP ejector.pdf
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