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2011-07-26View Original

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The NH3 concentration in the methylammonium solution is 32.99%； The CO2 concentration is 31.82% and the pressure is 1.9 MPa. What is its crystallization temperature? Thank you!

Reply #22011-07-26

The phase diagram should be available in the urea production process manual

Reply #32011-07-26

The crystallization temperature corresponding to the phase diagram is relatively low, but what are the crystallization temperatures at pressures of 0.2 MPa and 1.9 MPa? ? ?

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