1978 Guadalupi Snamprogetti 4092358 Urea Process HP NH3 stripper
This patent written by Mario Quadalupi and Umberto Zardi describes a process whereby the reactor effluent is treated in a decomposer and carbamate gasses are recycled back to the reactor via a condensation stage.
1978 Guadalupi Snamprogetti 4092358 Urea Process HP NH3 stripper.pdf
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