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US 2023/0227376 A1Published application
Methods for producing urea calcium sulfate from moist phosphogypsum
AssigneeSabic Global Technologies B.V.
InventorsAndrew George KELLS, Nilkamal BAG, Saleh AL-SHAMMARI, Rajamalleswaramma KORIPELLY
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Abstract
Method for producing a urea calcium sulfate (UCS) adduct is disclosed. The method for producing the UCS adduct, includes contacting urea with a moist phosphogypsum containing 10 wt. % to 30 wt. % of moisture, under conditions sufficient to form a slurry comprising formed UCS adduct.
Claims20
A method for producing a urea calcium sulfate (UCS) adduct, the method comprising:
- (a) contacting urea with a moist phosphogypsum comprising 10 wt. % to 30 wt. % of moisture, under conditions sufficient to form a slurry comprising formed UCS adduct.
Dependencies are inferred from the claim text.