Abstract

Comparative tests were conducted on the inhibition of scale formation from natural salt waters with the help of the ΠA & PHφ-13A, qIOMC and BELGARDEV. Chemical composition of the scale formed was examined. The investigations were conducted on a laboratory installation. The simulated solutions of the Black and Caspian Sea waters as well as deep-well water were used as natural waters. The investigations demonstrated that the growth of reagent concentrations in solution results in decrease of calcium ion contents and magnesium ions increase in scale. The data obtained indirectly point to the formation of undissolved compounds with magnesium ions in the reagents tested and the impact of Mg-ions on efficiency of the latter for inhibiting the calcium carbonate scaling.

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