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Physicochemical properties of biuret, triuret and other polymers in urine

2008-02-16View Original

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During the urea production process, the condensate remains in the secondary evaporation separator. I would be very grateful if experts could explain the causes of this condensate as well as its physical and chemical properties.
Reply #22008-02-17
Find a professional book to read; Yuan Yi’s \"Urea\" is a good choice!
Reply #32008-02-18
Why isn’t anyone responding? How does your company handle the condensates from the two-stage evaporation separator? Can the formation of condensates be reduced in terms of operation?
Reply #42008-02-19
Here, we usually install a blind flange at the feed inlet, close the inlet shut-off valve of the melt pump, and inject condensate into the separator; then steam is used for heating to start the cooking process. If there’s too much residue, the equipment can be opened for manual cleaning. That stuff is really hard – it took us, a group of over ten people, a whole day to clean out more than 10 strips.:Q
Reply #52008-02-19
When operating, be careful not to let the temperature get too high; we keep it between 136 and 138 degrees, and rinse the separator every two hours:D
Reply #62008-02-20
The handling method upstairs is the same as ours. How do you think these condensates remain in the secondary separator? Where was it mainly formed? What are the main components of the condensate?

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