APT Crystallization

The influences of condensation and evaporation area ratio, crystallization temperature and stirring rate were investigated on the concentration of the ammonia water resulting from ammonia tail gas condensation in the process of APT crystallization. The results shows that both lower crystallization temperature and faster stirring rate can increase ammonia concentration of the recovered solution from crystallization ammonia tail gas .When the condensation and vaporization area ratio is 3.9 and the crystallization tempetature is 110, the total ammonia concentration of the recovered solution is 9.9 mol/L.

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