Production of industrial synthetic ammonia 3

2009-03-25View Original

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The low-pressure method operates at a pressure of around 10 MPa. Since both the operating temperature and pressure are relatively low, the requirements for equipment are minimal, making it easy to manage; moreover, high-activity catalysts at low pressure must be used. However, at present, the catalysts used in this method are highly sensitive to toxins, prone to poisoning, and have a short service life; as a result, high standards are required for the purification of the feed gas. Furthermore, due to the low operating pressure, the reaction rate of ammonia is slow and the synthesis efficiency is low; it is difficult to separate ammonia from the gas after the reaction, and the process is complex, which is why this method is not widely used nowadays.

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Production of industrial synthetic ammonia 3

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