process for the production of urea from urea grain fused and produced on

摘要

1481038 Urea and ammonium phosphate prilled UNIE VAN KUNSTMESTFABRIEKEN BV 13 Nov 1974 [16 Nov 1973] 49170/74 Heading ClB Urea melt is mixed with solid mono ammonium phosphate and the mixture prilled within 10 seconds of the addition.