Use of hydroxamated polymers to alter bayer process scale

Details Use of hydroxamated polymers to alter bayer process scale Use of hydroxamated polymers to alter bayer process scale

C - Chemistry, Metallurgy

01

F

C01F 7/06 (2006.01)

Patent

CA 2252697

The processing of bauxite in the Bayer Process results in the formation of titanaceous, siliceous, and other scale on equipment and apparatus such that a great deal of time and effort is spent in order to maintain the process at its height efficiency by reducing or eliminating the same. The scale is treated, reduced, altered, etc., according to the present invention by the use of hydroxamated polymers having weight average molecular weights of over about 10,000.

Le traitement de la bauxite selon le procédé Bayer entraîne la formation de dépôts de titanate, de silicate et d'autres substances sur le matériel et les appareils de sorte qu'il est nécessaire de consacrer beaucoup de temps et d'efforts à la réduction ou l'élimination de ces dépôts afin de maintenir le procédé à son efficacité maximale. Selon la présente invention, les dépôts sont traités, réduits, modifiés, etc. au moyen de polymères hydroxamatés dont le poids moléculaire moyen est supérieur à 10 000 environ.

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