Urea called carbamide, is an organic compound with chemical formula CO (NH2)2. Urea has important uses as a fertilizer and feed supplement, as well as a starting material for the manufacture of plastics and drugs. It is a colorless, crystalline substance that melts at 132.7°C (271°F) and decomposes before boiling.
Iranian Petrochemical Units such as Pardis, Shiraz, Khorasan, Kermanshah and … have the biggest productions of Urea in the world wide.
Application of Urea
90% of the urea produced is used as fertilizer. It is added to soil and provides nitrogen to plants. Low-biuret (less than 0.03%) urea is used as a foliar fertilizer. It dissolves in water and is applied to the leaves of plants, especially fruit and citrus. Urea fertilizer has the advantage of providing a high nitrogen content, which is essential in plant metabolism in direct relation to the amount of stems and leaves, which absorb light for photosynthesis. Urea is adapted to different types of crops. Other uses of Urea is in plastics industry, resins industry, inks, pharmaceuticals & cosmetic, the finishes for textiles, paper, paint and metals.
Urea fertilizer 46% normally is packed is Bag (40 or 50 Kg), in Jumbo (1000 Kg each) and in bulk. Also the types of urea fertilizers are in the form of prilled and granule.