Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Krzysztof Andruszkiewicz0
Scott Griffin0
Raymond Salvatore Farinato0
Haunn-Lin Tony Chen0
Marie E Anderson0
Date of Patent
August 1, 2017
0Patent Application Number
150649230
Date Filed
March 9, 2016
0Patent Primary Examiner
Patent abstract
Disclosed herein is a method of producing alumina trihydrate crystals from an alumina trihydrate recovery process stream wherein an aqueous emulsion comprising an alkyl or alkenyl succinic anhydride is added to the alumina trihydrate recovery process stream, wherein the aqueous emulsion is substantially free of mineral oils. The method provides a decrease in percentage of alumina trihydrate crystals having a volume average diameter of less than about 45 micrometers compared to the percentage of alumina trihydrate crystals produced in the absence of the aqueous emulsion of an alkyl or alkenyl succinic anhydride.
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