Ammonia plant cost comparisons: Natural gas, Coal, or
#0183;#32;CapEx includes 1,220 mtpd ammonia plant and 2,125 mtpd urea plant. Source does not specify to which product OpEx numbers refer (ammonia or urea); I assume ammonia. CapEx per ton calculations are my own, based on the stated ammonia capacity at an assumed 340 days per year.