Abstract

A good many studies have so far been reported on the properties of sodium aluminate solution. The investigation of the properties is indispensable for alumina engineers to establish better conditions of operation and also to design the piping and other plant elements. Most of such studies are, however, made in the range which is not broad enough, and are not well-arranged to be ready for uses.In this study, the specific gravity and viscosity of the solution were measured under the following conditions;Temperature 20°C 40°C 60°C 80°CNaOH concentration 100g/l 150g/l 200g/l 250g/lAl2O3/Na2O mol Ratio 0 0.35 0.45 0.55 0.65and the results were organized into equationsThe monograms of the above results were also made so as to be made use for practical uses.The alumina equilibrium concentration in sodium aluminate solution was also determined, for which an equation and a monogram were made.

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