Method and reactor for producing urea ammonium sulphate

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United States of America Patent

PATENT NO 11993557
APP PUB NO 20210155582A1
SERIAL NO

16982242

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Abstract

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A method for the production of a urea ammonium sulphate (UAS) composition in a pipe reactor comprising at least a reactor section, the method comprising:

    combining in the reactor continuous feeds of at least one of sulphuric acid and ammonium bisulphate, at least one of ammonia and ammonium carbamate, and urea; andincluding a viscosity-reducing agent selected from water soluble aluminum salts in at least one of the continuous feeds, thereby forming the urea ammonium sulphate (UAS composition, wherein the UAS composition comprises 1 to 40 weight % of ammonium sulphate (AS) relative to the total weight of the UAS composition.

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Patent Owner(s)

Patent OwnerAddress
YARA INTERNATIONAL ASA0277 OSLO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Van, Belzen Ruud HJ Sluiskil, NL 21 29
Volke, Howard HJ Sluiskil, NL 4 9
Winne, Erika Ghent, BE 2 6

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