SEARCH Articles Figures Tables History of Urea Process Hoffmann (Urea) Process Hydrazine urea process Integration of Ammonia and Urea Processes Once-Through Urea Process Phthalic urea process Processing urea-formaldehyde resins Snamprogetti urea process Stamicarbon urea process Total-Recycle Urea Process Urea Dewaxing and the BP Catalytic Process Urea Finishing Processes Urea integration with ammonia processes Urea solution recycling process Urea stripping process