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The Urea Plant was designed and constructed by Chiyoda Corporation of Japan with Process license from M/s. Stamicarbon of Netherlands for producing 1500MTPD.
However with the sustaining efforts and the implementation of in house Modifications/Projects the capacity was enhanced to 1800 per day.
Ammonia carbonate is decomposed to Urea and water in the reactor. Urea solution is then concentrated to about 99.7% and fed to the top of the prilling tower. Solid product prills from its bottom are cooled and sent to Urea bulk storage.
Water removed in the concentration stage contains some Ammonia and Urea. Most of it is recovered and water with ppm levels of Ammonia and Urea contents is discharged and used for irrigation purposes.
A dust recovery system has been provided on top of the prilling tower to remove Urea dust from the exhaust air, to minimize the pollution.
Prilled, white Urea, free from visible impurities and dust and chemically treated to reduce hygroscopicity with the following chemical specifications:
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