Urea ammonium nitrate production
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United States of America Patent
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Oct 29, 2019
Grant Date -
Oct 11, 2018
app pub date -
Dec 21, 2016
filing date -
Dec 21, 2015
priority date (Note) -
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Abstract
The invention relates to a process for the production of urea ammonium nitrate, a system and a method of modifying a plant. The process comprises treating ammonia-containing off-gas resulting from the production of ammonium nitrate (AN off-gas) with acidic scrubbing liquid in a finishing treatment section having a gas inlet in fluid communication with a gas outlet of a finishing section of a urea production unit, wherein the finishing section is adapted to solidify urea liquid, and wherein said finishing treatment section is adapted to subject ammonia-containing off-gas of the finishing section to treatment with an acidic scrubbing liquid.
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