Ammonia synthesis technology for improving ammonia separation effect through temperature swing adsorption
A technology of temperature swing adsorption and ammonia separation, which is applied in ammonia preparation/separation, chemical industry, sustainable manufacturing/processing, etc. It can solve the problems of increased power consumption of ice machines, reduce consumption, reduce operating pressure, and reduce compression work. Effect
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[0014] Such as figure 2 Shown, the temperature swing adsorption ammonia synthesis process of the present invention is as follows:
[0015] The synthesis gas from the ammonia synthesis tower recovers the reaction heat through the waste heat recovery system. At least two sets of adsorption and desorption towers are connected in parallel at the outlet of the waste heat recovery device. This embodiment is the parallel connection of adsorption and desorption tower A and adsorption and desorption tower B. The synthesis gas enters the inlet of the desorption end of the adsorption and desorption tower A after passing through the switching valve 3a, and the synthesis gas with desorbed ammonia at the outlet of the desorption end of the adsorption and desorption tower A passes through the switching valve 4a and enters the preheater and the water condenser to cool down in turn through the pipeline , and then enter the ammonia separator A to separate the liquid ammonia, the synthetic gas ...
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