Abstract
Coagulation and sorption properties of hybrid alumosilicic reagent produced by sulfuric acid decomposition of aluminosilicate raw material have been studied. The efficiency of using such reagent in the treatment of different types of model waters is shown. It was established that the use of this reagent enables us to reduce significantly (10 times and more) the residual aluminum concentration in the purified water as compared to the traditional aluminum-containing reagents. In this case, the mechanism of treatment is implemented at the expense of both the chemical interaction of reagent components (chemisorption) and the volume sorption of pollutants on self-organizing mesoporous alumosilicic structures. In addition, this study shows the efficiency of using the alumosilicic reagent as an intensifier of the clarification of waters containing coarse-dispersed and colloid pollutants. It was also established that the introduction of this reagent into Fe(III)-containing water increased the clarification rate more than 20 times, while the high degree of water clarification could be achieved just in 10 min after the reagent introduction.
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