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SYNTHESIS AND STUDY OF NEW COMPLEX IRON- ALUMINUM REAGENT FOR WATER TREATMENT

A reagent on the basis of the Fe(II),(III), Al(III), Cl − − H2O − OH − system was synthesized. The synthesized reagent isn't a mixture of salts, but contains one or more poliheteronuclear iron-aluminum complexes. It possesses a number of improved characteristics in comparison with popular aluminum and iron-containing coagulants. On the basis of theoretical information and unique experimental data it has been proven that kinetics of reagent synthesis depends on a number of factors: aluminum surface nature, the initial concentration of iron(III) ions, the pH-value and the temperature of reactive media.