Question

Describe Manufacturing of nitrogenous fertilizer??

Answer 1

Nitrogen fertilizers represent a major industry worldwide accounting for nearly 100 million tons of various products per year. Nitrogen fertilizers include many types of liquid and solid products, among which the most common ones are ammonia, ammonium nitrate, and urea.

Ammonia is produced by reacting nitrogen from the air with hydrogen from natural gas at high pressure and temperature using the Haber process (200-300 bars and around 450°C). Anhydrous ammonia is stored as a liquid under pressure or refrigerated. For ease of handling, it is often converted to other types of fertilizers (see the following flow chart).



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