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1- The nitrogen fertilizer plant ( calcium – nitrate ) : Has three main departments , namely : A. The ammonia production department , capacity 50.000 tons a year . B. The nitrogen acid production department , capacity 87.500 tons a year , concentration 100% nitrogen acid . C. The fertilizer production department capacity 140.000 tons a year , concentration 26% or equivalent 120.000 tons concentration 30%
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