Patent ID: 9630855
Date: 2017-04-25
CPC Classifications: C01F,C01P,C22B

Claim:
1. A method comprising: adding a wash fluid to an alumina trihydrate bearing slurry comprising alumina trihydrate and caustic-soluble aluminate liquor; adding to the alumina trihydrate bearing slurry or to the wash fluid a composition comprising at least one R-succinic compound having a structure selected from formula (I) or formula (II), a conjugate acid-base of the R-succinic compound having a structure selected from formula (I) or formula (II), and combinations thereof; wherein formula (I) is and formula (II) is  and wherein R and R′ are independent, distinct, and represent alkyl, alkenyl, or aromatic hydrocarbon groups containing 1-30 carbon atoms.