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How to handle liquid ammonia?

2015-10-23View Original

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During the system startup, liquid ammonia is used to deactivate the catalyst, but some liquid ammonia remains. Do any of you have methods for dealing with this excess liquid ammonia? Thank you. Is there any company that recycles them?
Reply #22015-10-23
Coordinate internally to see if there is a need for the continuous reforming ammonia freezing section
Reply #32015-10-23
I really don’t know how to answer this question, but the method we use here to deactivate catalysts is presulfurization!
Reply #42015-10-23
It can be sold directly or processed into ammonia water for sale
Reply #52015-10-23
It can be sold. . . . . . . . . . . . . . . . . . . . . . .
Reply #62015-10-23
Why not keep it? Who knows, it might be useful in future production
Reply #72015-10-23
Liquid ammonia can be used to start up hydrogen production facilities; it replaces hydrogen in hydrogen reduction processes. At high temperatures, liquid ammonia decomposes to produce hydrogen and nitrogen, and it can also be converted into ammonia water. This ammonia water is then injected into the tower at the top of the vacuum distillation unit to neutralize sulfides
Reply #82015-10-23
What is the ammonia level after passivation, and are there any other impurities? It can be configured to use ammonia, or it can be employed to neutralize acidic wastewater; it can also be used for hydrogen production through the decomposition of ammonia at around 800°C
Reply #92015-10-23
The liquid ammonia produced by the sulfur unit in the plant is used as a raw material in hydrogen production, but the resulting outcome is not satisfactory; this leads to acidic water that does not meet the required standards. I’m not sure what the reason for this is
Reply #102015-11-02
Thank you all. Ultimately, after careful consideration, liquid ammonia is injected to form ammonia water, which is used as a raw material for desulfurization in chemical production. It has been processed.

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