urea ammonium nitrate production

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 theproduction of ammonium nitrate (AN off-gas) with acidic scrubbing liquid in a finishing treatment se...

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Bibliographic Details
Main Authors PUCI GIUSY ELISA, DOBREE JOEY
Format Patent
LanguageChinese
English
Published 03.08.2018
Subjects
CHEMISTRY
FERTILISERS
MANUFACTURE THEREOF
METALLURGY
NITROGENOUS FERTILISERS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary: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 theproduction 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 ureaproduction 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. 本发明涉及用于生产尿素硝酸铵的方法、体系和改进设备的方法。该方法包括在精加工处理区段中用酸性洗涤液处理由硝酸铵的生产产生的含氨废气(AN废气)，该精加工处理区段具有与尿素生产单元的精加工区段的气体出口流体连通的气体入口，其中精加工区段适于固化尿素液体，并且其中所述精加工处理区段适于用酸性洗涤液处理精加工区段的含氨废气。
Bibliography:Application Number: CN201680074744