Abstract

The effect of an anionic polymer—polyacrylic acid (PAA) adsorption on the alumina (Al2O3) suspension stability was studied. The influence of the following parameters was examined: polymer molecular weight, its concentration and solution pH. Two methods were used to monitoring the suspension stability: turbidimetry and spectrophotometry. The conformational changes of macromolecules, both adsorbed and non-adsorbed, determine the stabilization—flocculation properties of the alumina suspension in the presence of the polymer.

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