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Dilute phosphoric acid contains certain impurity salts. During the concentration production process, due to the evaporation of water, the impurity salts in the dilute phosphoric acid are also concentrated. When their concentration exceeds their solubility, they will precipitate out and deposit as scale on the heaters, evaporators, acid transfer pumps, and pipelines of the concentrated phosphoric acid production unit, severely affecting the continuous normal operation of production and causing significant economic losses to the enterprise.
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This product is composed of organic polyphosphonic acid, high-efficiency polyphosphate, and a blend of additives, featuring scale inhibition, dispersion, and corrosion inhibition properties. It is suitable for industrial circulating water with high hardness and high alkalinity, and does not require acid to adjust the pH value.
In the production process of phosphate fertilizers, the quality of phosphoric acid has a significant impact on subsequent production. With the continuous decline in the quality of phosphate rock, relying solely on existing facilities and methods can no longer meet the demand for high-quality phosphoric acid for downstream production. To improve the quality of phosphoric acid, the use and selection of phosphoric acid settling agents become extremely important. Phosphoric acid settling agents can quickly promote the sedimentation of suspended impurities in phosphoric acid at lower dosages, and can also react to some extent with impurity ions such as iron, magnesium, and aluminum in phosphoric acid to form insoluble precipitates, thereby improving the quality of phosphoric acid.